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Oct. '1,? 1946.
2,408,363
c. E. BECKMAN ETAL
ELECTRICALLY CONTROLLED STRIP SERVING MACHINE
Filed-May 9?, 1942.
.
5 Sheets-Sheet 1.
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7.92,?
42-
INVENTORS
_
47/622155 閕'?erz?n/v
BY 572:. 5. 2000s
.30
ATTORNEYS
Oct. 1, 1946.
' -c. E. BECKMAN ET AL
?
'
2,408,353
ELECTRICALLYv CONTROLLED STRIP SERVIN_G MACHINE
Filed May 9, 1942
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5 Sheets-Sheet 2
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INVENTORS
61/421651 5342.014?
the: a .?aoas
ATTORNEYS
?
Oct. 1, 1946.
c, E, BECKMAN EI?AL
2,408,363
ELECTRICALLY CONTROLLED STRIP SERVING MACHINE
Filed
A55
9, ' 1942
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5 Sheets~$h閑t 3
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INVENTORSv
�? a. @0905
BY
ATTORNEYS
OCt- 1, 1946-
. c. |':. BECKMAN ET'AL
2,408,353
ELECTRICALLY CONTROLLED STRIP. SERVING MACHINE
F?iled- May 9, 1942 .
.
5 Sheets-Sheet 4
ATTORN EY5
Oct. 1, 1946. ELECTRICALLYc.CONTROLLED
E?, BECKMAN
STR?IP ETAL'
SERVING MACHINE'
' 2,408,363
Filed May 9, 1942
1/49 /46
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ATTORNEYS
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Patented Oct. 1?, , 1946
, 2,408,363
"(UNITED ?STATES PATENT OFFICE
_ ELECTRICALLY CONTROLLED STRIP
?
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SERVING MACHINE
Charles E. Beckman and Earl B. Dodds, Chicago,
Ill., assignors to Better Packages, Inc., Shelton,
Conn, a corporation of New York
Application May 9, 1942, Serial No. 442,386
32 Claims. (01. 164-49)
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operated by contact with the tape itself. These
machines, however, present ?mechanical compli
This invention relates to strip serving devices
and, more particularly relates to motor driven
strip serving devices in which accurate lengths
of tape are measured and delivered, the measur
ing being controlled by electrical means.
cations and when dependent upon an actuation
by the tape, are subject to di?iculties due to the
unstable quality of the tape, its likelihood of
.
The invention contemplates the utilization of
an electrical timing circuit for measuring pur?
poses whereby the timing, interval coincides with
buckling, curling and sticking, and other objec
particular, the use of an electric time measuring
circuit is preferred in which the internal condi
tion of the electric circuit when closed progrese
sively changes so as to determine the duration 15
of an electrical timing circuit whose internal
condition can be varied irrespective of the
tions.
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The present invention contemplates the obvia
tion of all of these di?lculties by application, to
the period of time during which feeding elements
deliver tape so that a given interval of time will 10 a simple construction of tape delivering machine
including power driving means, of the principles
result in the feed of a given amount of tape. In
of the tape feeding operation in accordance with
amount of tape fed to e?ect a control by prede
termined intervals of time, said principles being
modi?ed, improved and adapted to the speci?c
the condition of the circuit and not by reason of
the physical movements of the tape or of
problem of delivery, of accurate lengths of_
gummed uniformly moistened tape ready for, use
mechanical parts associated with the feed there
of.
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in a shipping room.
20> More speci?cally
the invention contemplates
the utilization of a pair of relatively movable
feeding elements which can be alternately caused
to grasp and release the tape in and from tape
? Strip serving devices have been proposed which
are said to be adapted to serve various lengths
of gummed moistened strip as the occasion may
feeding relation and further contemplates the
demand. Many of such machines depend upon
the estimate of the operator of the amount of 25 utilization of an automatically operated shear
means which will sever? the tape after each tape
tape necessary,_which estimate even when the
feeding enggagement of the tape feeding ele-_
operator is experienced, commonly results in a
wasting of a substantialamount of tape since, a
In the preferred construction of our invention
guess of alength, tooshort for use means waste
of the entire piece delivered and alength which 30 it is contemplated that the feeding elements or
at least one of them shall be constantly moved
is longer than necessary may mean? that as much
in tape; feeding direction but not necessarily in
as one third. or one half more than the amount?
tape feeding relation during the entire time that
of; tapegnecessary is delivered?with each delivery
the machine is in? operation and it is further
cycle. of the machine.
.
contemplated that at least one of these tape feed
Machines have also been proposed equipped
ing elements shall be'motor driven. As stated
with visual orjother measuring devices, but, these
above, the moving of the elements into tape feed- '
machines possess the disadvantage that in the
ments.
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ing relation and the length of time which these
case of vvisual 'measuring, the operator cannot
operate at maximum speed and still measure
elements remains in such relation, which length
properly and in the case of other measuring? deP 40 of time dictates the length of the tape to be de
livered, are proposed to be controlled by an elec
vices, the mechanisms themselves, for reasons of
momentum feed from machine inertia'or other
trical timing circuit.
causes, are inaccurate and result'in waste'oftape.
. We further propose to use any convenient
Furthermore, such machines if operated by hand
means to control the new of current in? the tim
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or foot power deliver the tape at different speeds 45 ing circuit which in turn will control the move
ment of the tape feeding elements into and out
depending upon the vigor with which the tape
of tape feeding relation and the operation of the
delivery devices are actuated.? This results in
shear or cutter to sever the delivered strip. In a
variable moistening of the tape, ?too much
preferred form of our invention we use a series
moisture being applied if the feed is too slow and
too? little if too fast.
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50 of speci?c resistances through which current will
_ Machines have also been proposed for deliver- ? ?
?ing? measured lengths of v tape depending upon
'_ the mechanical movement of elements drivenin
?accordance with theo'perationfo'f the tape feed
?ow toya condenser, there being a resistance or
set of resistances for each tape length which can
be delivered. The time taken to charge the con
denser to a'?xed voltage is determined by} the
ingfdevic'es and"'alsoyby devices intended to be ,5.5 value of the resistanceinterposed in the'circuit.
32,408,363
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these two units may be separated from each
Electrical instrumentalities are provided .to 0D
other conveniently for purposes of cleaning, re
erate the means for separating the feed elements
pair or replacement of parts and to this end it is
and severing the strip when the condenser has
seen that by removing the screws l3 and by de
reached maximum voltage.
In the example of our invention illustrated in taching the connecting plug 25, to be described,
either unit may be removed from its position on
herein, we have shown a pair of seriesof switches
which may conveniently be operated 'by push but
the ?base for any desired reason. '> " This is a
tons, the operation of which will close the circuit
particularly valuable feature with respect to the
and start the feed, as well as start the building
control unit as if there is any breakdown in such
up of the condenser at a rate determined by the "
unit, it may be removed and a similar unit put
?in its place so that little time in operating the
resistances which have been interposed, the de
pression of a button of a series closing the necess
sary circuits and inserting a resistance corre
sponding to a length of tape designated on the
button.
>
?machine need be lost.
As the two units are
.mechanically independent, the operative con
nection between the two consisting entirely of
the connecting plug 25 and electrical conductors,
it will be seen that the control unit may be
Further objects and advantages will appear
mounted in ?any suitable location either adja
from the following description of preferred em
cent to or removed from the tape feeding unit,
bodiments of the invention and the drawings. ac
it being only necessary that the electrical con
companying said description in which drawings,
?Figure 1 is a longitudinal vertical sectional 20 ductors extend from one to the other. This per
mits ?the ?mounting of ?the tape feeding and con
view through the tape delivering portion of a
trol units each ?in the most convenient manner
machine embodying our invention;
for handling of the tape and actuation of the
?Figure 2 ?is a plan view of ?the machine with the
control member's respectively.
top vcover removed from the tape delivering por
The motor 2'! for driving the tape feeding
tion of the machine and portions ?or the top of
means, which will more fully be described below,
the control section of the machine being broken
is preferably mounted to rest on the ?base II 'in
away;
the ?approximate center of the machine, as illus
Figure ?3 is a ?transverse section taken at the
trated in Figure 1, and when the ?machine is in
position indicated by the ?lines 3-3 of Figures 1
operating condition and the ?control unit in ?the
and 2;
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position shown in Figure 3, vthe motor will lie
Figure 4 is .a perspective View of a portion of
partially in the zone of the control unit and
the tape guiding means of the tape delivering
partially in the zone ?of the ?tape serving vunit,
portion of the machine;
the walls 18 and 1'9 being cut away to provide
Figure 5 is ?a detail view in longitudinal vertical
for this mounting. Inasmuch as the motor is
section of the key construction taken on line
the heaviest part of the machine, it will ?be seen
5-5 of Figure 2, electrical 'in?strumentalitie's 'be
that this central mounting will be ?a ?great ?con
ing omitted;
venience should it be necessary to move ?the ma
chine from one place to another in a shipping
room as the weight of the machine will be more
or ?less balanced and will thus render the ma
chine easy to carry. Furthermore the motor is
Figure 6 ?is a horizontal sectional "view taken
on the line ii~?6 of Figure 5;
I
Figure? is [a transverse?secti?on on line ?141 of
Figure ?.1_ showin<r a preferred form ?of cutter;
Figure 8 is a wiring c?ag'ram of the control
mechanism employed to feed and measure v?the
tape, and
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entirely ?concealed and vallows the ?complete ma
chine to assume a'pleasing and symmetrical ap
pearance. A further advantage of mounting the
motor in this pos'ition?appears from Figure 1 as
'
Figure 9 is a longitudinal vertical sectional
view of a modi?ed ?form of a'tape delivering and
it is seen that 'th'e?tape roll 28 'may be mounted
'
at ?the rear ?end of ?the machine behind the .motor
Referring to the drawings in detail, a 'tape
in ?that ?portion of "the machine vwhich ?has the
serving machine 'is ?shown including "means to
withdraw tape ?from a roll and deliver it at the 50 greatest height whereby ?the maximum diameter
roll may be ?used obviating? the ?necessity of fre
delivery end of'the machine inmoist?en'ed, 'meas
severing means.
quent reloading of the machine. Furthermore,
the tape maybe brought into ?proper position for
its travel through the delivery ?means more?easily
tired, and severed strips ready ?for application to
apackag'e to be sealed, ah'd?a control unit which
controls the length of the strip of tape ?delivered
atone actuation.
'
when the tape roll is mounted in ?this manner.
V
The motor occupies space which might otherwise
be wasted ?between the ?tape ?roll ?and ?the ?feeding
.{I?he tape. feeding and control units }'Ihay ?be
mounted ?in a single or in separate housings and
arranged in any?convenient relative location. In
and cutting ?devices at the ?forward end of the
machine. ?Thus the motor is in juxtaposition to
the ?preferred construction illustrated, particu
the tape ?feeding devices so ?that it may be ar
larly in Figures 2 and?3, .the two units 9 and to
may preferably be'mounted upona base .ll ?hav
ing feet 12 which rest on the surface on which
ranged to drive theisa'me through'si'mple'gearing
and the tape roll lis'i'n ?proper relation to the tape
the machine is placed. vThe tape serving unit
delivery ?means.
all by any convenient means such as screws '13
which hold "brackets it which are attached to
side walls? I-?l and 1B of the tape delivering ?unit
and i9 and '26 of the control unit. Outside cbvers
IZLmay be provided to cover the outer sides ?of the v.
units and may be secured to the side walls'll' and 70
iiilby the screws 22 secured to spacers 23 so that
the entire machine will present a pleasing ap
pearance and be free fromopeningsifor the ven
tranee. Ofdugt ~
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It is one of the features of this invention that
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Tape serving mech'anism.?Th'e tape serving
mechanism includes generally holding ?and guid
and the control unit may be secured to the base
ing means for the roll of tape, tape web guiding
means, feeding, severing and moistening ?means
which will be described?in that order, that is in
the order of the passage of tape ?through the ?ma
chine.
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Tape and web guiding.?The tape roll '28 may
be preferably placed ,in the machine through the
top-thereof, the top coverv 24 whichisihinged at
75
726 to side ?plate I?! being :opened and-preferably
resting on the fountain H4. v'The' roll'2'8?rests
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machine on :the'table 50' by. ?the'tape weight 53
upon the plate 33 ?and against the ?brake roll'34
which? is'removably' positioned on the table 50.
As shown iniFigure 4, the weight 53 has similar
forward? portions 54. and a rearportion 55 joined
which together exert a: braking action thereon
andprevent the rolllfrom becoming excessively
unwound during? feeding.v ?Access may be had to
the 'roll? through thefback of the machine by
opening cover 29, hinged at 30. Cover 29 is nor
mally. heldclosed by spring 32. ?The roll is fur
by hinge ?56 and 'has handle ' 51 to facilitate
grasping the same for removal? and to providev a
centeringume'ans and position adjusting, means
for? thewei?ght as the handle rests against the
ther? held in position? by the side guide plates'35
?xedshaft 12. The weight 53 is ,preferablyrel
pivoted at 3'! having guide ears 38 which key
with'slots 39 in the ?plate 33.. The plates 35 also 10 atively substantial so that its? weight will insure
that the tape which is being pushed forwardly
have web guides ?which will be more fully de
by the feeding elements will not buckle but-will
scribed' below. The slots 39 maypref閞ably be
continue on?its forward path in the machine.
arrangedlat distances from eachv other equiva
Provision of the two piece forward portion 54
of tape so'that when the roll is placed in ?the 15 hinged at 56 permits easy removal of the'en-;
tire weight from the machine for cleaning or
machine and provisionally centered by hand, the
other purposes. The weight 53 is also formed
plates 35 may be moved laterally on their pivotal
with a slot in the rear portion 55 to permit .ac
mounting 31 until the ears?38 fall into the proper
tion 'of the feeding elements therethrough.
slots 39. Thus the roll is exactlycentered in its
proper position so thatthe tape web will be. de 20 ,, While the plate 33 and? the roller 34 ordinarily
prevent any overrun of the tape web 42 from
livered therefrom centered for, further delivery
the roll 28, in order'to insure accurate measure
through the machine.
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ment, it is desirable to provide a braking means
.:;.The web guiding roller_3l mounted on the arms
immediately rearward of the tape feedingrvelei
40 ?which are pivoted at 4| is normally in the
merits which will prevent any further tape being
full line position shown in Figure 1 during the
fed by, momentum after the tape feeding ele?
operation-?of the machine-but when it is desired
ments have ceased to feed and to this end ?we
toin'sert a roll of tapeinthe machine, the top
provide the brake 58 on the under tape'web
cover.24 being opened, the arms 40 may be swung
contacting surface of rear portion 55 of-tape
into ?the forward position shown in dotted lines
in Figure 1 so that the roller 3| will be out of the 30 weight 53 and resting directly on the tapev web.
The brake 58 tends frictionally to resist the pas
way of the tape roll during insertion into the
sage of tapebeneath it by pressing the tape
machine.v With cover 24 open and roller 31 in its
against the table 50- and the weight of the grasp
forward? position," roll v28 can be easily dropped
ing handle 51 aids in this action. Elements? 59
into position and whileholding the end of web
lent? to the various common commercial widths
42 in one hand, the operator can return roller 35 on the under sides of hinged; members 54 pro~
vide for proper clearance between the weight 53
and the table 50. As they do not contact the
tape web 42, they insure that no frictional re-l
tardation shall be applied to the web forwardly
3| to its normal position, at rest on pins 43.v The
web 42 can then be directed?. by hand to the for
ward part of the machine without threading it
over or under a series of rollers which is the us
ual custom.
The brace 36 serves to render the 40
cover 24 rigid and in addition strikes the roller
3| in its forward position when attempt is made
to close cover 24, thus insuring that the machine
will. not be closed by the operator before it is
fully. loaded and ready vfor operation. This?con
struction lends itself to speedy? loading without
fuss or jamming of-the tape in the machine, ,Also
roller 3| in its normal position when feeding a
piece of tape fromqa full roll 28,. will lift? the roll
of'the feed means.
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. Tape feeding means.-?While any convenient
means may be used which are adapted intermit
tently to be moved in and out of tape feeding
engagement during the operation of the machine
4 UK
preferablyrwhile motor 21 is running, we prefer
to use a pair of feed rollers which grasp the tape
between them, only.v one of (the rollers being driv-,
en in the formfshown. ? The surfaces of both roll
ers are;preferably.l;nur1ed or otherwise. formed
atthe start of feeding oifof plate 33 thus re? 50 for. insuring proper. graspingof the tapeduring
moving the friction caused by the;p1ate., Hence,
The roller 6| is mounted for rotation on ?the
the feeding elements function normally and feed
shaft 63 which also carries the large ?gear 64
accurate lengths of tape when a full roll of tape
andisdriventhereby; The gear 64 inturn is
is newly inserted in the machine as the inertia
feeding.
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55 driven by the pinion 65 which is mounted .on~v the
of the roll does not. interfere with feeding ac
shaft 6'I,and.the pinion 85 is driven bythe gear
>69, mounted on the shaft of the motor 21. Ac
cordingly, it will vbe seen that upon the operation
~' The web 42 travels over the roller ?3| and for.
of the motor Z'Lthe feed roller 61 will be directly
wardly over the guide roller 45 and.v between the
web guides 45 whichare integral extensions of 60 and {continuously driven. Any other suitable
gearing may be used for driving the feed roller.
the roll'guide plates 35, so that when the adjust- "
The ,idler 60. is mounted for rotation on the
ment is made by moving the plates 35 on the
shaft 'l?yrwhich shaft is journaled in the?links ?H
- pivot 31 to adjust the position of the roll 28 the
_ at either rlsidelofthe tape path. The links ?Hare
web? guides 45 are also placed in position prop
erly to guide the tape web 42 just after it passes 65 pivotally mounted on the ?xed shaft 12 mounted, .
in the side ?walls I?! and. I8 of the tape feeding
the guide roller 45 and just before it enters the
tion but in fact helps to prevent inertiafeed by
settling backon. the plate 33 when feeding ceases.
tape feeding zone. Hence? the adjustment of the
portion of? the machine. Links ?II also mount
plates 35 provides not only roll guiding but also
shaft 14 between them. I On the ends of shaft 14
arejournaled the upper ends of the legs vof the
positions the web just before it reaches the feed
ing elements of the machine.
v70 U-shaped yoke 15 (see Figure 3) so that vertical
- The tape web 42 in its forward passage through ~
the machine rests now on the tape supporting
'table 50 which has a slot 5| therein through
movement of the yoke 15 will result in movement
of the idler 6B in a vertical direction toward- and
away from the driven roller 6|, thus moving'the
feed elements in and out of tape feeding relation.
which the" tape feeding elements may act?. The
web is held in its forward movement through the 75 The baseofthe yokeglE is securedto the arma;
accesses
7
ture ?I6 .of a solenoid 11 ?which is mounted 'on a
bracket ?I8 secured to ?the side wall ?of the
machine. 'The solenoid "I1 is adapted whenener
gized to exert va vdownward pull on ?the armature
16 ?whereby the yoke ?I5 will also be pulled'dolwn 5
ward and the idler :60 ?will thus :be brought into
tape feeding relation with the ?constantly revolv
II I 'whichare upended in tank 112 and draw
moisture therefrom by capillary attraction. The
mountingof theplate I06 on?the links 1118 insures
easy ?removal thereof for purposes of replacement
or cleaning. As it is contemplated that the tape
will be ?fed through the machine at relatively
high rates of "speech-it is ?desirable in ?order to
secure uniform moistening to provide means for
keeping the liquid level in the tank I I2 substam
In order to insure that when the solenoid .71
is not energized the feed rollers ?will de?nitely be 10 tially constant and to this end we provide a liquid
container or fountain I-I-4 mounted in the cradle
separated and not feeding tape, springs ?80 se
?'5 ?on the outside of "cover 21. The fountain
cured to the base of the yoke ?I15 and to the hooks
may be mounted in substantially the position
8I ?which are?mounted on the bottom 'of the'table
shown in dotted lines ?.in Figure 1 and has outlet
50 are ft'ensioned to hold'the yoke
its extreme
I I6 leading into .Ipa'ssage I IFI whichconnects with
upward position limited by the upward limit ?of
the tank H2. Access to the ?tank ifor cleaning
movement of the ?armature 16. It is clear from
ing driven roller 5| whereby tape will be fed.
and inspection may .be had through the s-fron't
this construction that the tape feeding rollers "will
only be "in tape feeding vrelation when the sole
opening 1of the machine 119-.
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Connection of :jeed and control units-It is
seen that the tape feeding portion of ?the machine
noid TI is energized vbut in order to insure the
proper relation of the tape feeding rollers at ?all
times and also ?to obviate the necessity of pro
in the .form of ?the machine under ?discussion con
tains three different instrumentalities ?which re
viding a solenoid having a substantial length of
quire velectrical actuation. These are the motor
stroke, ?we ?prefer to provide an adjustable con
which drives the tape feeding elements, the tape
motion between the armature and the yoke 15.
This connection may take any convenient 'form. 25 feeding solenoid and vthe ?cutter solenoid. In
order to provide that ?the tape controlling :portion
The connection as ?shown in Figures 1 and 3 in
of ?the machine maybe separated ?from the tape
cludes the split sleeve 82 through which yoke '15
serving portion of the machine, ?it is preferred to
extends. The Sleeve is secured to the armature
assemble the electrical leads from the motor "and
T6 of solenoid TI below the yoke 15 ?by pm 83
which normally is spaced below yoke 15. ?Sleeve 30 the two solenoids, into a single cable diagram
matically indicated at 'IZI in Figure 3 which ter
82 has threaded into it screw 84 ?which bears
minates in a plug I22 ?which in turn is ?adapted
against spring 85 within the sleeve and the spring
to contact the complementary plug 123 which is
in turn bears against the yoke ?I5. 'L?ock nut ?86
mounted in the side of the control unit. It will
holds screw 84 permanently ?in adjusted position.
be seen that it will ?only be necessary to ?connect
Turning of the screw ?will adjust the position of
this plug in order to place the control and the
the yoke with respect ?to the pin 83 and thus the
tape serving parts of the ?machine inproper=elec~
solenoid ?I'I.
Tape severing means.-?The tape severing
trical connection for operation.
?
Control circuit.-?As has previously been point
means are mounted forwardly of the feeding
means of the machine and may be of any suitable 40 ed out, the length of a piece v?of tape delivered
from the machine ?is dependent upon the length
construction. As shown they include the links
of time that the feed solenoid T1 is energized to
'90 pivo?tally mounted ?on the shaft 9'I which ?is
hold the feed rollers 50 ?and BI ?in feeding relation
mounted in ?the side walls 11 and I8. The links
since the motor 21 is of "constant speed type.
have mounted between ?them at their ends re
mote from the ?pivotal mounting, the blade shaft
93v on which is mounted eccentric to the axis of
shaft '93 vthe ?blade '94. Links 90 also pivot'ally
carry the upper ?end of yoke 95 which is ?secured
45
A preferred hookup of electrical instrumentali
ties to control the operation of the feeder and
cutter solenoids is diagrammatically shown in
Figure 8. Power is supplied from any convenient
power source I30, it being ?assumed that, {as ?is
to the ?armature Q?Io'f the solenoid?S'B. The knife
'94 ?may take 'any'convenient shape and as shown 50 ?customary, the power source will be alternating
current. Suitable ?and obvious changes could be
in Figure 7 has guide members 95 which extend
?at all times through slot .92 in table illthus
insuring that the knife will be positioned "for
?operation at "all times. The sliding action in s?ot
92 insures ?good shearing action because of ?the
eccentric ?mounting ?about the axis of shaft :93.
made ?in the circuits 'to adapt them to a "direct
current power source. Connection I3'I may be
made to the power source and may take the
55 form of a plug or the ?like in the customary mane
ner. Switch I32 ?which may conveniently be
mounted on the outside of control unit "(see Fig
ures i2 and'3) is adapted to provide for the ener
gizing of all of the circuits used. so that with
Intermediate the guides ?95 the knife ?is "shown as
of inverted V-shape. The portion of the knife
is normally held out of the path of the tape by
the opening of this switch, the entire apparatus
the springs '99 tensioned between the yoke 96
?and the hooks I00 mounted on the bottom of
table 50. When the solenoid 98 is energized, the
downward pull thereof ?against the tension of the
springs 99 ?will bring the knife '84 across the path
of the tape, severing ?the same. ?Theme'a'ns for
is cut off from electrical energy. A suitable pilot
light I33 (see Figures -2 and 3) is connected to
the "power source between leads I34 and I35 so
65
energizing ?the solenoid will be ,describedbelow.
that closing of the switch ?will result in the pilot
light being lighted informing ?the operator that
the machine is ready for operation.
M oi'steni'ng means-Any suitable "type of mois
ten?ing means may be utilized. As shown, ?the
The closing of switch 132 will also close an
alternating current ?circuit through the motor
to links I08 which are in turn pivoted at ?H0 to
the walls I?! and I8. ? The pressure plate carries
the closing of the switch does not cause the feed
ing of tape, the motor will have time to come
through lead ?I36, plug 25, the motor, plug 25,
tape, afterpassing the ?cutting means, "encounters
?the ?plate I05 over which it passes. The tape 70 and lead I 31. Hence the closing ?of the switch
I32 will start the operation of the motor. As
?passes under the pressure?p'lat'e I06 pivoted ?at ID?!
?an'ad?ju'stab'le weight I69 adapted to'holdthe tape
?in ?intimate contact with the moisten-inglbrushes 755
to constant speed before a strip is fed.
?
vA .power'pack I40 or other suitable connection
2,403,363
10
by applying current ofre?gulatedvoltageto the
condenser I4I which thereupon begins tozbuild
is provided for conversion of the alternating cur
rent to direct current. The measurim,r is..accom
plished throughza constant voltage circuit which
includes a condenser. Mlanda tube.I42,iconstant
up to the. break down? voltage. of the tube 142.
When this voltage is ~reached,.curren__t will ?ow?
in the starter gap. of the tube,?i.. e., from starter
anode I92 to .cathode I93, initiating ?ow of cur-,
rentin the? main gap, i._l:e., between anode I9I and
voltage output being obtained from the power
pack. The tube I42. is adapted to break down
when the condenser reaches a given-?voltage and
' cathode I93.. v?The B?BClLOf thisaction is dee
current ?ows ?su?iciently from thestarter anode
scribed. below.. The variable resistance I16 vis
of the tube. toathe cathode to initiatev the flow
of current in =themain gap of? the tube which 10' provided to permit adjustments in the length ofv
the timing interval which may be necessary to
?ow of current is adapted to stop the feeding.
compensate forvariations intape length caused
of tape by operation'of a relay whichbreaks the
by thelag in tape feed members 66 and BI engag
circuit containingthe feed solenoid. .We, have
ingthe tape tostart'forward movement thereof.
found- a cold? cathode tube useful in this connec:
The resistance I11 is inserted as'a-protection'ifor'
tion but other tubes having ?equivalent charac
the tube;.-.. The keys?in the unit bank I45 are :nurri-j
te'ristics or? other devices capable of similar func
bered .i-n FigureS from 0 to 9~ andare' adapted to?
tion may suitably be used. ' Thestart of the build?-v
insert? resistances into this circuit which will delay
ing up ?of the condenser MI and the feeding of.
thevb-uilding up of the condensertthe breakdown
tape is. accomplished by- the depression ?of- a ?key
of- the? tubepand'the. consequent operation of the
in the unit bank 146 which closes a'circuit which
operates start relay I43. Operation ?of the start ~ stop relay which?causes the deenergization of ?the?
feed solenoid for proportional periodsiof time
relay- closes circuits which operate the feeder
which the feed rollers Bo and 'BI will be infeeding
solenoidand start the timinginterval'. When the
contact, feeding O'to ,9 inches. In this, instance
condenser MI reaches a predetermined voltage,
the'9 inch-key has been depressed,.and'nine-1>
the tube I42 permits current to flow in ?the main
inch? resistances-I15 are in the timing circuit,
gap to. operate a stop relay I457 The operation
hence while the condenser is building 1113.9 inches
of the relay I45 opensthe circuit containing the
feeder solenoid TI and closes a circuit containing
of
, As
tape
can
will
beobserved;
be deliveredpii
however,v
A from
' , , Figure:
? '
" l-"o'f
the cutter solenoid 98' as .well'as restoring the
depressed key to its normal position readying the 30. the drawings;.1the tapeweb in theiform of machine
shown travels for a considerable? distance vin the
machine. for delivery of another vstrip of tape.
machine after it passes the feed-elements 581 and
?Inasmuch. as direct current?of constant voltage
GI and it will be undesirable to feed? in the-rhea
is 'only required in the resistance timing, circuit
chine, lengths of tape shorter than will; :when.
since the relays I43 and I45 may be energized?
fed, present; the end thereof at: the ?front'po?rtion
of the machine .for graspingand; removaL-j This
statement is-not' intended to limit" the construe};
by a non-constant D. C. voltage, only a? small
portion of the output of the power ?pack need
be utilized .for?th'e constant voltage D. C. supply;
thus 'theco?st of the power .pack may be mini
tion of the-?machine ltogth'e speci?'c'ifor'mqshown,
but it is clear"that,'for example in-Fi'gure 1,-if-e1
piece of tape'of one inch'in length were fed, the:
forward end'thereof would not issue from the
machine.v This'would cause confusioniand. jam+
mized. The operation of the hookup; including
all of the circuits involved, can best be described
by illustrating an example of Such operation.
a Start relay.--Thus if key (?9? for instance) in
the unit bank I46 is depressed, a circuit will be
completed through the lead I41 from?the non
regulated'direct current supply, lead I48, the key
contact ?I49, the lead I50, the start relay I43,? the
ming of the machine when the next?stripwas- fed;
Furthermore, as ?machines of th'etype under con-"
r sideration ?are adapted mainly for use in?. shipping
lead I5I and the lead I52 returningto the nega
tive power supply, -The energizing of this circuit,
by operating the start relay, has broken contact
I54_ and has made contacts I55, I56'and I51;
Thus four other circuits are affected by operation
of the start relay and these will now'be described.
iThe contact I54 being broken, the short circuit
which heretofore existed around the condenser
m andihcluded lead I65, resistance ?111,: lead v
I61,?c0ntact ?I54; lead I65,11ead I18 and leadv I52
is broken. Thisshort circuit served?thepurpose
rooms? which do-not'require such ?short lengths
of tape, it will ordinarily? not be? necessary to ?feed
such short lengths. 91
?Y
?
'
"
1
.
I
?
;
?
?For this reason the description of thexcirc'uit
which is? closed on? the closing of contact 'l55?set
forth above appliesi'only "to ?delivery of? lengths
of tap'eicau?s'ed by thefdepression of? the'4-inch"key
or above- of ,th'e-Tunit' bank [45.? ?fit ~for example
the'Z'inch key ?of the ?unit bank I46 is? depressed;
the timing circuit lvvil'lithen include 'the?lea?d 168i
the contact I55, leadil'??ilf, the ?various 'leads'of the
of keeping the condenser absolutely discharged
tens bank I38 as set forth above, lead I10?,y:re'si'st+,
ance ISO-which may conveniently be made equiv-j
prior to the'cornmencement of the timing interval.
alent to a time for delivery of? for? example tenv
inches of - tape, keyv contact-I I8 I',"two resistances
'The making of the contact I55 initiates the
flow of regulated direct current to the condenser
I4I, the?circuit including the? lead I68? from the.
power pack,.contact I55, lead I59 and the various
leads in the tensbank of keys I38 which intheir
non-depressedcondition, (which is the assump
I 15 below the'key'acontact' I8I? corresponding't'o
two inchescf-?tape, variable" resistance I16 "etci'
as above. The resistance?IM has the v'eifect'of
adding enough length'to the strip? delivere'd'so
that it will'not become jammed in ?the? machine�
tion of this example) include no inserted resist
if by mistake-a key in itheju'nit'ba'nk I46 below
ances, the lead I16, the lead '3', the key contact
4 inches should be?de'pressed.
I12 whichwaspreviously made by the depression
It is clear, however, that itnmay be ?desirable
at times ?to? feed'a' length? of tape equivalent'i?to
one of;these-l'ower' units of inches plus ?a multiple
of key No. 9 of unit bank?I'GG, the series of resist-4
ances I15, the variable resistance I16. the lead
I65, to the plate of condenser ,I4I, also the resist
ance I11 to the-starter anode #92 of the tube I42
andthe leads I18 and I52 back to the negative
power supply. It will be seen thatv when this
circuit-is set up the timing intervalhas begun 75
'
J T. '
of ten inches-as for example twenty-two inches
and?the ?circuit? which will produce the delivery
of twenty-two'inches will now be described.v This
circuit will also obtainwhenever any key in the
bank I38粇is depr.essed,_i. er, wheneverlteninches
2,408,368?.
12
or more? of tape? is. desired... The? 20; monkey. in?;
the?. tens? bank-i I38 is?rst depressedi; but?. does-not
close anyfcircuiti or? cause any? taperto: be: delivered:
until a key
the unit: bank; Mt? is depressed
(obviously? if. twenty inches alone: is desired-,the;
20: inches key? in? the" bank I138? will ?rst be: de
pressed and the10 key'in the? bank? I145? willzstarti
the?? timing? interval as? above: described). The 20.
sothat'th'eieed rollers arernow' in operation and
are feedingrtape;
Stop relay;--As: mentioned. in. connection. with
thezd'escription- of the circuit including thecon-tact.
I156] which was closed; by- the: operation of the?
start; relay; a. path; has been prepared for the:
completion of. a. circuit. which. includes thestop'
relay I45, anode I9;I and? cathode: I.93'of. the?. tube:
inch key in the bank? I38. having been. depressed,
I42; Accordingly when the. breakdown; point of.
contact: between leads I83? and I84
broken, ' 5 tube. I42 is reached and. the; ?ow; of current: from
contact? between leads i813ranul: I85 is made and"
contact I88? is made; The. two? inch key in; the:
bank:
includiiigfle?adI146 is'now'depre'ssed;
I68; contact'1I55i,
and?; completes
lead. I 69,. lead;
a - I 83;.
lead I85; resistances. r86: equivalent to?. twenty
inches of? tape, lead . Ii?Iil; l?eaidii I. 81;.keycontact I 8.8;
lead F89; the;- lasi; three; menti'oned� conductors
anode I92 to. cathode: I93 initiates?. the ?OW; of.
current: from anode.? I�I'. to cathode: I93 thusconr.�
pleting'. the circuit; the: stop relay; will: operate;
The: circuits completed; or; broken by!
relay'willnow'bedescrihed.
stop.
'
The circuit including? contact 2H0: isinormally;
passing: current: when: the. stop.? relay is: not; were
gized'. It" has been; fully-described in connection
being; at shorti"circuit-around. resistance: I:8 ll};v key?
with. contact I51; which. the operation. of. the: start
contact: I'8%I which: has made: on the; depression
off?the'2fin?ch'keya resistances I515.? belovw'the 2: inch 20 relay" I43. closed?. This. circuit is. broken. on the:
operation of the: stop. relay I45? and. since; this
key, variable?: resistance:- I'IE, etc. as: originally
circuit includes thefeoder solenoid. ?I1, energi'zaa
described above: It'v is. seen that the. depression
tion. of; the feeder? solenoidi ceases; the: taper: feedof onetoii thetens keysrnotionly?inserts the appro
priate?: resistances into: the? timing-f circuit to ? pro-=
duce a; length of' tape: equal: to: a; multiple of? ten�,
but; also short- circuits the? resistance. I365)? which:
is no? longer necessary?to? prevent the delivery'of
a piece of tape too short: to7 issue from the: mar-
chine; whereby" apiece of: tape:~ equal to a multiple
of ten". inches" plus less? than. four? inches in". the?
example? shm is delivered;
With the exceptions apparent from? the dc}
scriptionsgthecircuits obtained on depression of
aunit key? above or? below 4?, or belowe including
a'imu'ltiplei oflwirom th-ebank:I=38;.a;rasimi1ar exe
cept- that? more; or? less resistances are: inserted in
the? circuit and? it is accordingly: not deemed 1113C?
ing: elements. separate,_ and the feeding. of: tape
. immediately stops;
On the. operation otfstop relay- I4~5,_.conta-ct 20.I
makes, completing am alternating: current. circuit.
which; includes: lead: It95i,. lead 205, keyv release.
solenoid. 206, lead. 201, contact20'l. and lead I52.
to? negative: power.? supply; The energization. of.
key release solenoid?: 205.! releases the. previously
depressed keys to: their? original; condition; thus.
preparing? the? apparatus for: the delivery of the
next; strip of tape. The: manner in' whichthi's
solenoid releases the keys will: be.v more fully
pointed out below};
Operation of? stopv relay I45 closes contact; 2021
which completes an alternating, current circuit
including leads L95 and 208-, the. cutter solenoid?
from. 5 tol?il?ii'nchestwhinh can. be? obtained?: in the":
construction of the?; example shown; suitable? rem: 40 98;.Iead1209; contact. 202 and. lead. I52? tonegat-ive
power? source. This" circuit; is seen to include the:
sistan'cesmayof courserbe employed to: providedor;
cutter. solenoid:v 98- and- accordingly operates the
delivery? of. lengths greater than: 59;- inches. Itis
cutter-to sever the already delivered: piece of tape.
also. clear-"thatzany desirable unit-of measurement
When? the stop relay I45 operates, the contact.
may? be: employed? such as centimeters: or mul
200' in the?: circuit including the feeder solenoid
tiplesiof inches or? centimeters; It is-- understood
?I.'I-,, immediatelyv breaks and the solenoid TI: re
that: when?. a key? is depressed, itistaysi depressed
leases the feed. elements so that the feed of. tape
until released: by some means; and?. this construc-v
immediately? stops; Thev making; of .contact 202'
tion will be more fully pointed
below'.
results. in the energizing of. the cutter solenoid 98'
Returning: now- to :the: circuits which have been
but: it will be seen that. this does not take: place
?completed. by? the. operation: of? the start relay I'4:3~,
until; after: breaking of- the contact: 200 so that
it" is seen". that; the. contact; I5.6~ closes; on. the opthe: taper will. have the: short time? necessary to
eration of: the?: start? relay.
contact. prepares.
come. to a complete. stop before cutting, occurs.
but, does not close a circuit; which. includes the;
While we have found that: this short-time inter
leads IMF? and I48, contact I510? stop: relay? I.45.-,.
val; is sumcient to allow the. tape�. to come to a
lead l:90\,.to't?he.~' anode I9' of'theitubedu; When
essary'toidescrihe the obtaining of; lengths of tape?:
the: condenser I74-I: is- charged to the breakdown"
point. off the:- tube,-. the starter anode I92 of the
stop? before? cutting. if it should; be found that
cutting; takes place while tape still retains. some
residual motion, the circuit- which, includes the
cutter solenoid maybe utilized to operate a fur
time. I42? will pass? current to- the cathode: I93: inv
the starter" gap" ofv the. tube and: by exerting? a
trigger or starting actiom causethe tube to ionize 60 ther relay which relay may operate to close a, cir
cuitincluding the cutter solenoid thus lengthening
andpermit current to passin-the. main gap of the
the time interval between. the stop of the~feed
tube from? the?: anode: I.-9'~I.- to the cathode I193, to
ing; and the cutting.. Naturally since very short
the: leads I18 and I52, thus completing a circuit
periods of time are involved, insertion of this
which operates? the stop-relay. However, this cir
cult is-not completed:untilithe-tube ionizes'so that
the? contact. I59, which: is closedby the start relay
I43, merely prepares the� way for: operation oi the?
stop?relay.
.
The contact I51? closes-1 an. alternating current
circuit which operates the: freed-l solenoid/and in
cludes the leads? I95.r contact I51,? lead? I596; feed
solenoid T1, lead I91 ,. contact 200- of the stop relay
which is normally? closed" when. the: stop- relay is.
not energized, and lead? I52- to? thernegative. power.
supply. This circuit energizes- ther- Edd. solenoid
additional relay will result in. absolute. certainty
that no. cutting can. occur while.- the. tape. is. mov
ing'.
.
The operation. of the key release solenoid. 20B
restoring: the depressed. keys to? normal. has.
broken the? circuit- made' by depression of the. 9
inch key from the: unit bank I46. which circuit in?
cluded the? start relay�, and the. start relay being�.
no- longer? energized,v the contacts I54, I55; I55
and I~5:'I are restored to the. condition! in which
they? were prior? to the energization. oi then start.
2,408,363
13
14?
relay I43, that is contact "I54 has made restoring
the bar in a 'direction'away from the'solenoid
th'e'short circuit around tube I42, contact I55 is
thus engaging the key.
a
'
The� bar 252 is operatively connected at its end
broken opening'the timing circuit, contact I56
is broken opening the circuit including the?stop
relay I45,~and contact IE1 is? broken opening the
circuit which, contains the feeder solenoid 11
which has already been 'broke'ni?b?y the breaking
remote from the solenoid to the connecting bar
210 which joins it to' the lock bar 21I of the
tens bank of i keys I38. The ?mechanical con
of contact 200 on the operation of stop relay I 45; ?
I The breaking of the circuit including contact
with those. of the units bank. The bar 210 is
also connected with the pull bar 212 which is
structi'onand?action of these keys is identical
I56, which deionizes the tube I42, ?deenergizes the 10 secured tothearmature 260 of the solenoid 206
and may be regarded as an extension thereof.
stop relay I45 so that? contacts 200, 20I-and 202
Energization of solenoid 206 will result in clear
are restored?to their original condition before
ing of vboth of the banks of keys of any depressed
the operation of the stop relay. Contact 200 in
keys. :Spring 262 tends to hold thelock bar
the circuit including the feed solenoid 11 makes,
preparatory to the delivery of the next strip of 15 in its forward position so thaton depression of
a. key, the same will be positively held'in its
tape but of ,?course- not?v completing a circuit
through the solenoid 11. Contact 20I breaks de-v
depressedv position until released by the release
energizing thekey release solenoid 206 whereby
?solenoid 206.
.
1
v
.
As?h'as?been previously described, during the
the keys may now be operated to deliver another
strip of tape.? Contact 202 breaks,? breaking the 20 operation of the control unit and "after the de
livery of a piece?of tape, the key release solenoid
circuit which includes the cutter solenoid .98
whereby the cutter solenoid is deenergized and . is energized whereby the armature 260 exerts a
pull'to the left in Figure 5 thus releasing the
the knife moves upward ?from the path of the
catchy member 254 and permitting thev key to
tape in-a manner previously described. The ap-,
paratus is now ready for delivery of another strip 425 return to its normal position as has been de
scribed,ready for ?the delivery of another'piece
of tape.
. .
Key construction.?-It is, of course, clear that
of tape.
,
'
�
7
~
?In order that a release may be had ofany keys
any suitable means may beemployed for insert
ing resistances in the timing circuit?and .it is
not intended to limit our invention to the con
depressed during the time the machine isnot
30 in?operation, it is preferable to provide a manual
key'release button which may be .utilized to clear
the two banks of keys when operation of the
machine is about to start. To this end is pro
vided the ear 215 which is mounted on the under
struction shown. However, in Figures 2, 3, 5
and 6 are shown a preferred form of switches
actuated by depressible and releasable keys which
are adapted on operation to insert-suitable re
side of the frame 2I0 and which has pivoted
thereto at .280 the plate 216. Also pivoted to the
plate 216 is' the release key 211 which may suit
ablyextend through the frame 2I0 between the
dispose the keys in convenient position extending
two banks of keys as shown in Figure 6. The
above the cover 2I0 of the control unit, arranged
in a units bank I46 and a tens bank I38. 1 .} 4.0 release? key' is normally held in its upward posi
tion by spring 218. The plate 216 which may be
' Mounted on the underside of the cover 2I0
of rectangular shape, as shown, lies in slot 2119
of the control unit is a. switch supporting-frame
ofbar Y212 and a downward thrust on the key
232 which includes upper and lower slotted chan
211 will result-in moving the plate 216 in a clock
nel members 220 and 233. The key?switches 222
are provided with upper shaft portions 224 and 4.3 wise direction about the pivot 280 thus thrusting
the bar 212 in a direction to releasethe keys
lower body portions 221. The shafts 224 extend
whereby spring 214 will return bar 212 to its
through the slotted channel members? 220 and
sistances into the timing circuit andv suitably
affect the remaining circuits in the manner de
scribed above. We have found it preferable to
normal position just as effectively as ?if the sole
the cover 2I0 and are topped by push buttons
noid 206 had been energized.
226. The shafts 224 carry shock insulating pads
22I of rubber or the like which absorb the shock
of the upward movement of thekey against the
member 220. The body portions 221' which are
insure that no undesired resistances are in the
considerably wider thanthe shaft 224 as may
be seen from Figure 3, are provided with upper
slots 228 and lower slots 229 through which-the ;
lock bar 252 extends in a manner to be described.
The body portions 221 terminate at their lower
ends in three legs 248, 249, and 250. The out
side legs 2-48 and 250 are adapted to pass on
either side of the base member 233 when the
key is depressed. The middle ?leg 249 is pro
vided with spring 25I which tends to thrust
the key in an upward direction except when it
Operation of this
mechanism prior to operation of the machine will
timing circuits and will further insure that when
switch.v I32 is turned on, the motor21 will be
given an adequate time to warm up and reach
constant speed before the machine, is operated
for delivery of tape. The detailed construction
of depressible and releasable keys is substan
tially that shown in United States Patent No.
2,196,433.,
60
I
V
,
Switch contacts-Any convenient means may
be utilized to insure that the operation of the
button switches 222 will complete or?break the
proper� circuits as describedabove in connection
229, acting against the inclined surface 255, will
with the wiring diagram Figure 8. The construc
65 . tion illustrated in Figure 3 which is also that
shown in the above mentioned patent includes
insulating material 30I mounted on the side of
body portion 221 of the key switch 222 and ter
minal panel 302 of insulating material mounted
70 on the frame-232. vReferring to the wiring dia
force the bar 252 in the direction of the solenoid
gram Figures, it is seen that the depressionof
is held depressed by other means. ?
?
>
Referring to Figure 5, the lock bar 252 is
provided on its upper surface with extensions
253 having catches 254 and angular top surfaces
255.
On depression of a key the edge of slot
206 until the end of the surface 255 is reached.
a key in the units bank effects the making of two
Then the key which isnbeing depressed is further
pressed down until the slot 228 engageswith the
contacts while that of ?the tens bank effects the
catch member 254 and the spring 262 thenforces �.
making of two contacts and the breaking of one,
Consequently we have?provided double Ll-shaped
15
male- contacts 310. and: 315? on the insulating ma,
terial 39! of the keys in the bank I46 and double
female contacts 304 and 995- on the terminal
determined length, said means includingv a? feeder
circuit,v a. timing circuit and a- stop: circuit, s-ai'd
feeder circuit having instrumentalities for bring
panel 382.
inglsaid tape feeding elements into tape feeding
Similarly in the bank 138-, double
male contacts 399 and 39-? are provided on the
insulating. material 381 and double female con
tacts 321i and 322 as well as, single contact 323
are: provided. It will be seen that these contacts
are; adapted on. operation of one of the push but
ton switches to modify the circuits as shown in
relation when said circuit is. energized, said tim
ing circuit being coordinately energized with said
feeder circuit, saidtiming circuit completing. said
stop circuit after a given predetermined interval
of 'time comparable to a given predetermined
length of tape: and said stop circuit having: means
Figure 8..
to break said feeder, circuit whereby said feed
In Figure 9 is. diagrammatically- shown an
rolls- are: removed from tape feeding relation and
feed; of tapeceases...
alternate form of construction of tape delivering
2-}. An apparatus for delivering strips; of. tape
and severing means, which has the advantage
of including only one solenoid for operation of
of predetermined length�, including; feed; elements
for feeding: the tape, a: motor? mounted?; to drive
these means, This, construction includes the tape
at: least: one of said feed elements in; tape feeding
table 285 over which the; tape web 286v passes.
Feed elements include driven roller 288 and idler
direction, at least; one of: said tape- feeding ele
ments: being mounted for movement into and out
roller'289. The last mentioned� roller is; mounted
on a. pair of: arms 2'9l pivoted at 292 in. the-side 29 of tapev feeding: relation, a cutter for severing: the.
walls of the: machine and having mounted on its
tape and electrical? means for-controlling the? de
livery of predetermined lengths of: tape and the
end, remote from, the roller 28.9, the cutter 294
severing of?: the tape after' delivery� of tape has
pivoted at 2.95.. Solenoid 2911 has armature 29B
operatively connected to the arms 2'9l- between
ceased; said means.: including-a feeder/circuit and
the pivot 292 and the idler roller 28:9?. Arms? 29!
a. cutter circuit, said? feeder circuit including- in,
also. have extension spring 36!! attached to the
strumentalities moving said feed elements into
arms between the pivot 292 and the pivot 29%. It
tape feeding relation when said circuit is ener
gized? whereby energization of. said circuit starts
will? be?. seenthat- energization of the-solenoid 29?!
the feed of? tape, said. cutter circuit. having in
resulting: in a downward pull of the armature
298' will pull the feed roller 289, downward? into 3.0 strumentalities operating: said cutter: when said
circuit? is energized?, a timing: circuit adapted to be
positive tape feeding engagement with the driven
energized? when said. feeder circuit is energized
roller 288- and at the same time will move the
whereby they feed of tape?and? the'timing'interval
knife: 294 out of the path of the tape. When the
will start simultaneously, said timing circuit after
solenoid 291 is deenergizedi the spring 300 will
a predetermined period; being, adapted to start
move: the arm 29! in a. clockwise direction about
the pivoted mounting 292 bringing the knife 294
the ?ow of current in a. stop circuit,.saidr stopcir
cuit being adapted tobreak said feedercircuit' and
sharply down to sever? the tape, while of course
thereafter to close: said: cutter circuit whereby
separating the feed? rollers 288 and 289. In this
feeding ceases and the tape is severed by the.- cut
construction it is preferable to provide the knife
294- with a small amount of.? travel? before it actu_ 40 ter.
3. An. apparatus for feeding,- measuring and
ally contacts the tape. As the feed rollers will
separate immediately the spring 300 is thus per
severing strips of tape including a pair of feed
mitted to act and While the knife 294 travels this
elements'betwe?en which said tape passes, a motor
short. distance, the tape web 286'wil1' come to a
adapted to be driven at constant speed, one of
dead stop.
said tape feeding elements being driven. in tape
feeding direction by said motor, at least one of
said elements being mounted for movement into
and'out of? tape feeding? relation, a cutter for
While we have described? in detail certain pre
ferred procedures to be followed in practicing
our invention which we have found to be con
venient and practicable, and while we have illus
severing the tape and electrical means for moving
said elements into tape feeding relation, holding
trated and described in detail certain forms of
apparatus which we have found Well adapted to
said? elements in tape- feeding relation for a pre
determined length of time to feed a predeter
carry out the required operation, we do not wish
mined length of tape, releasing said elements
to be understood as limiting ourselves to the per
whereby the feed of tape ceases, and? operating
formance of? the process in the precise manner
set forth or the following of? a particular sequence 55 said cutter to sever said tape, said. means in
of operations where not essential to secure the
cluding a feeder circuit having therein meansito
intended result, or to the use of the particular
translate electrical energy into force, and a cut
apparatus as set forth in the speci?cation, as we
ter circuit, said means in said, feeder circuit be
realize that changes both in procedure and in the
ing mounted to move said tape elements into tape
apparatus are possible and we further intend 60 feeding relation when said- circuit, is energized
each step or sequence of steps and each element
whereby'energizing said circuit startsvv the feed of
or instrumentality appearing in any of? the fol
tape, a timing circuit, said feeder circuit and said
timing circuit being adapted. to] be energized si
multaneously whereby the feed: of tape, and the.
instrumentalities for accomplishing substantially 65 timing interval will start, together, said. timing
circuit, after a predetermined period being
the? same result? in substantially the same or
lowing claims to be understood to refer to all
equivalent steps, sequences of steps, elements or
equivalent'manner.
We claim:
adapted to initiate the flow of current through. a
stop relay, said stop. relay having a contact, in
1-. An- apparatus for feeding? measured strips
said feeder circuit and breaking the same when
of?tape, a pair of? feed rolls to feed the tape, a con 70 energized whereby feed of tape ceases, and closing
stant speed motor for driving at least one of said
said cutter circuit, said circuit containing? means
rolls in. tape feeding direction, said rolls being
to translate electrical energy into force, said
means being adapted to operate said? cutter when
mounted for relative movement into and? out of
tape feeding relation, and? electrical means for
said? circuit is energized whereby] the cutter is
controlling the delivery of strips of? tape of?pre
operated;
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18
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4; An? apparatus? , foriufeeding-sand - severing
whandle 'for'rconvenient grasping and additional
?Weight mounted on the rear thereof.
~ measured?. strips ofl?tape including ?a pair 'of?feed
i
,
> elements to, feed .theitapaia motor mounted to
drive at least one of said elements in? tape feeding I
" 11. ?In apparatus 'for feeding strips of tape hav
ing a tape? web, a; tableover which the web'travels
direction; at jl'east'one- of said elements being?
V and feeding means mounted to act through said
table, a brake acting on said web rearwardly'of
movable in ?and out of tape feeding'irelationra
saiditape feeding means, said brake comprising
cutter to sever the tape and electrical control
means to- start ?the feed of tape,v measure the
> length of tapebfed, ?sever the'tape� and cut'the
tape, said means? including a feeder: circuit, (a
~ av weight pressing said web upon said table having
-a projection on: the underside of saidweight en
10 gaging saimwebdirectly before it reaches said
feeding means and having an additional weight
timing circuit; va stop circuit and a cutter circuit,
said feeder circuit including means operable on
providinghandle mounted directly over said pro
the energization of the circuit to bring said'feed
elements .?into tape feeding relation?, ' selective
means to energize simultaneously said'fee'der and
?timing circuit and to place varying resistances in
vjection.� _
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' 12. An apparatus for feeding measured strips of
15 tape including an intermittently ; operable feed
'd'evice tolfeed the tape, means'to actuate said
device to feed'tape, an electrical timing circuit
said timing circuit?to vary the time interval of
energizable- coordinately ' ?with " said actuating
' said timing circuit, said stop circuit being'rener
'
means,"
and instrumentalities"actuated by ?said
gizediat the end of said- time'interv'al and said stop I
? circuit energizing a relay which breaks said feeder 20 timing circuit after a, timed interval to stop the
" circuit and energizes said cutter circuit whereby
feed'of
the feed of tape stops and the tape is severed;
force?uponsaid yoke'tdbringfsaid feed rollers
into tape feeding ?relation against ?the pull of said
spring.
, ,?6.,,An apparatus as'claimed in claim 5 in which '
a tape severing knife is mounted on the vend of
said arms remote from said feed'ele'ments, said
knife being adaptedto move across?the path of
the tape when said rollers are moved out of tapev
feeding relation.
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'7. Ina machine .for delivering. strips of tape,
I a roll of-tape to'be fed, guide members for cen
tering said roll? in the machineincluding a shaft
forwardly of said roll, ,plate members pivotally
mounted on said shaft for movement along the
axis of said shaft, selective. slots nearlthelbase
of said roll to engage said plates and held the
same in adjusted positions against the sides of
the roll, said roll having a web extending there
from through the-machine and integral exten
sions on said plates extending on either side of
said web as it travels through the machine.'.. ,
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14; Apparatus as'claimed'in claim 12' in which
the instrumentalitiesactuated by-said timing cir
cuit include fa,- stop ?circuit to? render-saidfeed
means inoperative, and means in: said timing ?cir
vcult to energize saidjstop'circuit. at the end ofoa
ya pair ?of pivoted arms, a yokefthe legs of which
holding said feed elements ,in non-tape, feeding
relation and?electrically operated meansto exert
'
ing means to .vary'fthe-ti'med?interval.
5. In an apparatus of the class described, a
pair of feed elements, one of said elements being,
mounted for movement in and out of tape feeding
relation, said movable element being mounted on
arev secured ?to said arms between said pivotv and
'saidfeed element, and a spring secured to said
arms'on the ?other side of said pivot normally
tape.
~ ? 13. An apparatus as claimed in claim 12 includ
timedainterv?als
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'15.?, Apparatus'asicla?imed in claim :12 in which
said timing circuit includes a condenser and a
switch-operable to stop the feed of ?tape only when
said "condenser" has received agiven predeter
mined charge.
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16. Apparatus'as claimed in'jc'laiml2 in which
said timing circuit includes acondenser andsaid
feed stopinstrumentalities include 'a switch; oper
able, to stop'the feed of tape when a predeter
~mined charge has beenimpressed on-said con-4
denser, and means to'.. vary? :thejtinie?required. to
bring ?said condenser to wsaid-charge, said means
including-a'series of. resistances selectively insert
able into said timing circuit.
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17.; Apparatus as claimed in? claim 12 in- which said timing. circuit'i'ncludes the ?starter gap of ;.a
tube and said tape feed stopping instrumentalie
ties includea circuit having the ?main gap ofsaid
tube, ionization'of said'tubeaoccurringat a given
predetermined charge across; said starter jgap,
50 whereby ? current ?ows ?in "said main gap tostop
thefeedoftapei
' 18. Apparatus as claimed-inclaim
"
12 including
means to prevent" thefe'eding ?of strips'of tape of
1 8. A- machine for delivering strips of tape hav
less
' 19.?mane
7 An� a'pm11'~a1;1'1s?v
'give'n' predetermined
for; i-feed'ng"measuredxstrips
length; ~
ing :a-roll of tape to be fed, a shaft in said machine
of tape including anintermi'ttently operable-feed
forwardly of?said; roll, said shaft carrying roll
guides slidably mounted thereon. slots in the
bottom of the machine beneath said roll, and keys ,
on said guides engaged bysaid slots wherebyv said
roll is centered, a tape throat in said machine,
through which tape from said roll is fed, and in
tegral extensions on "said guides extending'on
' device to feed the'Itape; electrical means toia'ctu
ate ?said device to ?feed tape; an" ?electrical timing
circuit? ?energi'zable, coordinately with said :electri
cal feed actuating means, ?andfinstrumentalities _
?actuated ' y said? timing ?circuit 'aiter'.'a~' timed interval to stop the feed'oftape?. ' '
I. '
either side of ?said web? just prior ?to its entrance
20. In an apparatus forfeeding measured strips,
means to feedsaid strips and electrical ineansior'
into said tape throat,
actuating "said feed?mean?s to provide fed ?strips
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9; In'app'aratus for feeding strips of tape, hav
ing a tapeweb and a tape'path in which said web
travels, a pair of feed elements acting upon said
of predetermined length; "said electrical-means '
including a feeder circuit, a timing?icircuit, EL'ESlZOP
circuit and an automatic-switch?:lb'etweenrsaid
timing circuit and said stop circuit, said feeder
web on the top and bottom thereof while said
web is in said path, a weight for holding said tape 70 circuit when energized actuating said feed means
to feed strip, said timing circuit having a con
in said tape path having a rear member, a pair
denser in series with said switch to insure opera
of forward members and hinges joining said rear
and forward members, said feed elements acting
between said forward members.
10. A weight as claimed in claim 9 having a
tion of said switch at a given predetermined
charge of said condenser, said stop circuit being
energized on operation of said switch and itself
eets-Sheet 4
ATTORN EY5
Oct. 1, 1946. ELECTRICALLYc.CONTROLLED
E?, BECKMAN
STR?IP ETAL'
SERVING MACHINE'
' 2,408,363
Filed May 9, 1942
1/49 /46
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A35 '
A35
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ATTORNEYS
Y
Patented Oct. 1?, , 1946
, 2,408,363
"(UNITED ?STATES PATENT OFFICE
_ ELECTRICALLY CONTROLLED STRIP
?
'
SERVING MACHINE
Charles E. Beckman and Earl B. Dodds, Chicago,
Ill., assignors to Better Packages, Inc., Shelton,
Conn, a corporation of New York
Application May 9, 1942, Serial No. 442,386
32 Claims. (01. 164-49)
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operated by contact with the tape itself. These
machines, however, present ?mechanical compli
This invention relates to strip serving devices
and, more particularly relates to motor driven
strip serving devices in which accurate lengths
of tape are measured and delivered, the measur
ing being controlled by electrical means.
cations and when dependent upon an actuation
by the tape, are subject to di?iculties due to the
unstable quality of the tape, its likelihood of
.
The invention contemplates the utilization of
an electrical timing circuit for measuring pur?
poses whereby the timing, interval coincides with
buckling, curling and sticking, and other objec
particular, the use of an electric time measuring
circuit is preferred in which the internal condi
tion of the electric circuit when closed progrese
sively changes so as to determine the duration 15
of an electrical timing circuit whose internal
condition can be varied irrespective of the
tions.
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The present invention contemplates the obvia
tion of all of these di?lculties by application, to
the period of time during which feeding elements
deliver tape so that a given interval of time will 10 a simple construction of tape delivering machine
including power driving means, of the principles
result in the feed of a given amount of tape. In
of the tape feeding operation in accordance with
amount of tape fed to e?ect a control by prede
termined intervals of time, said principles being
modi?ed, improved and adapted to the speci?c
the condition of the circuit and not by reason of
the physical movements of the tape or of
problem of delivery, of accurate lengths of_
gummed uniformly moistened tape ready for, use
mechanical parts associated with the feed there
of.
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in a shipping room.
20> More speci?cally
the invention contemplates
the utilization of a pair of relatively movable
feeding elements which can be alternately caused
to grasp and release the tape in and from tape
? Strip serving devices have been proposed which
are said to be adapted to serve various lengths
of gummed moistened strip as the occasion may
feeding relation and further contemplates the
demand. Many of such machines depend upon
the estimate of the operator of the amount of 25 utilization of an automatically operated shear
means which will sever? the tape after each tape
tape necessary,_which estimate even when the
feeding enggagement of the tape feeding ele-_
operator is experienced, commonly results in a
wasting of a substantialamount of tape since, a
In the preferred construction of our invention
guess of alength, tooshort for use means waste
of the entire piece delivered and alength which 30 it is contemplated that the feeding elements or
at least one of them shall be constantly moved
is longer than necessary may mean? that as much
in tape; feeding direction but not necessarily in
as one third. or one half more than the amount?
tape feeding relation during the entire time that
of; tapegnecessary is delivered?with each delivery
the machine is in? operation and it is further
cycle. of the machine.
.
contemplated that at least one of these tape feed
Machines have also been proposed equipped
ing elements shall be'motor driven. As stated
with visual orjother measuring devices, but, these
above, the moving of the elements into tape feed- '
machines possess the disadvantage that in the
ments.
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ing relation and the length of time which these
case of vvisual 'measuring, the operator cannot
operate at maximum speed and still measure
elements remains in such relation, which length
properly and in the case of other measuring? deP 40 of time dictates the length of the tape to be de
livered, are proposed to be controlled by an elec
vices, the mechanisms themselves, for reasons of
momentum feed from machine inertia'or other
trical timing circuit.
causes, are inaccurate and result'in waste'oftape.
. We further propose to use any convenient
Furthermore, such machines if operated by hand
means to control the new of current in? the tim
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or foot power deliver the tape at different speeds 45 ing circuit which in turn will control the move
ment of the tape feeding elements into and out
depending upon the vigor with which the tape
of tape feeding relation and the operation of the
delivery devices are actuated.? This results in
shear or cutter to sever the delivered strip. In a
variable moistening of the tape, ?too much
preferred form of our invention we use a series
moisture being applied if the feed is too slow and
too? little if too fast.
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50 of speci?c resistances through which current will
_ Machines have also been proposed for deliver- ? ?
?ing? measured lengths of v tape depending upon
'_ the mechanical movement of elements drivenin
?accordance with theo'perationfo'f the tape feed
?ow toya condenser, there being a resistance or
set of resistances for each tape length which can
be delivered. The time taken to charge the con
denser to a'?xed voltage is determined by} the
ingfdevic'es and"'alsoyby devices intended to be ,5.5 value of the resistanceinterposed in the'circuit.
32,408,363
3
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these two units may be separated from each
Electrical instrumentalities are provided .to 0D
other conveniently for purposes of cleaning, re
erate the means for separating the feed elements
pair or replacement of parts and to this end it is
and severing the strip when the condenser has
seen that by removing the screws l3 and by de
reached maximum voltage.
In the example of our invention illustrated in taching the connecting plug 25, to be described,
either unit may be removed from its position on
herein, we have shown a pair of seriesof switches
which may conveniently be operated 'by push but
the ?base for any desired reason. '> " This is a
tons, the operation of which will close the circuit
particularly valuable feature with respect to the
and start the feed, as well as start the building
control unit as if there is any breakdown in such
up of the condenser at a rate determined by the "
unit, it may be removed and a similar unit put
?in its place so that little time in operating the
resistances which have been interposed, the de
pression of a button of a series closing the necess
sary circuits and inserting a resistance corre
sponding to a length of tape designated on the
button.
>
?machine need be lost.
As the two units are
.mechanically independent, the operative con
nection between the two consisting entirely of
the connecting plug 25 and electrical conductors,
it will be seen that the control unit may be
Further objects and advantages will appear
mounted in ?any suitable location either adja
from the following description of preferred em
cent to or removed from the tape feeding unit,
bodiments of the invention and the drawings. ac
it being only necessary that the electrical con
companying said description in which drawings,
?Figure 1 is a longitudinal vertical sectional 20 ductors extend from one to the other. This per
mits ?the ?mounting of ?the tape feeding and con
view through the tape delivering portion of a
trol units each ?in the most convenient manner
machine embodying our invention;
for handling of the tape and actuation of the
?Figure 2 ?is a plan view of ?the machine with the
control member's respectively.
top vcover removed from the tape delivering por
The motor 2'! for driving the tape feeding
tion of the machine and portions ?or the top of
means, which will more fully be described below,
the control section of the machine being broken
is preferably mounted to rest on the ?base II 'in
away;
the ?approximate center of the machine, as illus
Figure ?3 is a ?transverse section taken at the
trated in Figure 1, and when the ?machine is in
position indicated by the ?lines 3-3 of Figures 1
operating condition and the ?control unit in ?the
and 2;
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position shown in Figure 3, vthe motor will lie
Figure 4 is .a perspective View of a portion of
partially in the zone of the control unit and
the tape guiding means of the tape delivering
partially in the zone ?of the ?tape serving vunit,
portion of the machine;
the walls 18 and 1'9 being cut away to provide
Figure 5 is ?a detail view in longitudinal vertical
for this mounting. Inasmuch as the motor is
section of the key construction taken on line
the heaviest part of the machine, it will ?be seen
5-5 of Figure 2, electrical 'in?strumentalitie's 'be
that this central mounting will be ?a ?great ?con
ing omitted;
venience should it be necessary to move ?the ma
chine from one place to another in a shipping
room as the weight of the machine will be more
or ?less balanced and will thus render the ma
chine easy to carry. Furthermore the motor is
Figure 6 ?is a horizontal sectional "view taken
on the line ii~?6 of Figure 5;
I
Figure? is [a transverse?secti?on on line ?141 of
Figure ?.1_ showin<r a preferred form ?of cutter;
Figure 8 is a wiring c?ag'ram of the control
mechanism employed to feed and measure v?the
tape, and
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entirely ?concealed and vallows the ?complete ma
chine to assume a'pleasing and symmetrical ap
pearance. A further advantage of mounting the
motor in this pos'ition?appears from Figure 1 as
'
Figure 9 is a longitudinal vertical sectional
view of a modi?ed ?form of a'tape delivering and
it is seen that 'th'e?tape roll 28 'may be mounted
'
at ?the rear ?end of ?the machine behind the .motor
Referring to the drawings in detail, a 'tape
in ?that ?portion of "the machine vwhich ?has the
serving machine 'is ?shown including "means to
withdraw tape ?from a roll and deliver it at the 50 greatest height whereby ?the maximum diameter
roll may be ?used obviating? the ?necessity of fre
delivery end of'the machine inmoist?en'ed, 'meas
severing means.
quent reloading of the machine. Furthermore,
the tape maybe brought into ?proper position for
its travel through the delivery ?means more?easily
tired, and severed strips ready ?for application to
apackag'e to be sealed, ah'd?a control unit which
controls the length of the strip of tape ?delivered
atone actuation.
'
when the tape roll is mounted in ?this manner.
V
The motor occupies space which might otherwise
be wasted ?between the ?tape ?roll ?and ?the ?feeding
.{I?he tape. feeding and control units }'Ihay ?be
mounted ?in a single or in separate housings and
arranged in any?convenient relative location. In
and cutting ?devices at the ?forward end of the
machine. ?Thus the motor is in juxtaposition to
the ?preferred construction illustrated, particu
the tape ?feeding devices so ?that it may be ar
larly in Figures 2 and?3, .the two units 9 and to
may preferably be'mounted upona base .ll ?hav
ing feet 12 which rest on the surface on which
ranged to drive theisa'me through'si'mple'gearing
and the tape roll lis'i'n ?proper relation to the tape
the machine is placed. vThe tape serving unit
delivery ?means.
all by any convenient means such as screws '13
which hold "brackets it which are attached to
side walls? I-?l and 1B of the tape delivering ?unit
and i9 and '26 of the control unit. Outside cbvers
IZLmay be provided to cover the outer sides ?of the v.
units and may be secured to the side walls'll' and 70
iiilby the screws 22 secured to spacers 23 so that
the entire machine will present a pleasing ap
pearance and be free fromopeningsifor the ven
tranee. Ofdugt ~
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It is one of the features of this invention that
'
Tape serving mech'anism.?Th'e tape serving
mechanism includes generally holding ?and guid
and the control unit may be secured to the base
ing means for the roll of tape, tape web guiding
means, feeding, severing and moistening ?means
which will be described?in that order, that is in
the order of the passage of tape ?through the ?ma
chine.
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Tape and web guiding.?The tape roll '28 may
be preferably placed ,in the machine through the
top-thereof, the top coverv 24 whichisihinged at
75
726 to side ?plate I?! being :opened and-preferably
resting on the fountain H4. v'The' roll'2'8?rests
23.08363
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machine on :the'table 50' by. ?the'tape weight 53
upon the plate 33 ?and against the ?brake roll'34
which? is'removably' positioned on the table 50.
As shown iniFigure 4, the weight 53 has similar
forward? portions 54. and a rearportion 55 joined
which together exert a: braking action thereon
andprevent the rolllfrom becoming excessively
unwound during? feeding.v ?Access may be had to
the 'roll? through thefback of the machine by
opening cover 29, hinged at 30. Cover 29 is nor
mally. heldclosed by spring 32. ?The roll is fur
by hinge ?56 and 'has handle ' 51 to facilitate
grasping the same for removal? and to providev a
centeringume'ans and position adjusting, means
for? thewei?ght as the handle rests against the
ther? held in position? by the side guide plates'35
?xedshaft 12. The weight 53 is ,preferablyrel
pivoted at 3'! having guide ears 38 which key
with'slots 39 in the ?plate 33.. The plates 35 also 10 atively substantial so that its? weight will insure
that the tape which is being pushed forwardly
have web guides ?which will be more fully de
by the feeding elements will not buckle but-will
scribed' below. The slots 39 maypref閞ably be
continue on?its forward path in the machine.
arrangedlat distances from eachv other equiva
Provision of the two piece forward portion 54
of tape so'that when the roll is placed in ?the 15 hinged at 56 permits easy removal of the'en-;
tire weight from the machine for cleaning or
machine and provisionally centered by hand, the
other purposes. The weight 53 is also formed
plates 35 may be moved laterally on their pivotal
with a slot in the rear portion 55 to permit .ac
mounting 31 until the ears?38 fall into the proper
tion 'of the feeding elements therethrough.
slots 39. Thus the roll is exactlycentered in its
proper position so thatthe tape web will be. de 20 ,, While the plate 33 and? the roller 34 ordinarily
prevent any overrun of the tape web 42 from
livered therefrom centered for, further delivery
the roll 28, in order'to insure accurate measure
through the machine.
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ment, it is desirable to provide a braking means
.:;.The web guiding roller_3l mounted on the arms
immediately rearward of the tape feedingrvelei
40 ?which are pivoted at 4| is normally in the
merits which will prevent any further tape being
full line position shown in Figure 1 during the
fed by, momentum after the tape feeding ele?
operation-?of the machine-but when it is desired
ments have ceased to feed and to this end ?we
toin'sert a roll of tapeinthe machine, the top
provide the brake 58 on the under tape'web
cover.24 being opened, the arms 40 may be swung
contacting surface of rear portion 55 of-tape
into ?the forward position shown in dotted lines
in Figure 1 so that the roller 3| will be out of the 30 weight 53 and resting directly on the tapev web.
The brake 58 tends frictionally to resist the pas
way of the tape roll during insertion into the
sage of tapebeneath it by pressing the tape
machine.v With cover 24 open and roller 31 in its
against the table 50- and the weight of the grasp
forward? position," roll v28 can be easily dropped
ing handle 51 aids in this action. Elements? 59
into position and whileholding the end of web
lent? to the various common commercial widths
42 in one hand, the operator can return roller 35 on the under sides of hinged; members 54 pro~
vide for proper clearance between the weight 53
and the table 50. As they do not contact the
tape web 42, they insure that no frictional re-l
tardation shall be applied to the web forwardly
3| to its normal position, at rest on pins 43.v The
web 42 can then be directed?. by hand to the for
ward part of the machine without threading it
over or under a series of rollers which is the us
ual custom.
The brace 36 serves to render the 40
cover 24 rigid and in addition strikes the roller
3| in its forward position when attempt is made
to close cover 24, thus insuring that the machine
will. not be closed by the operator before it is
fully. loaded and ready vfor operation. This?con
struction lends itself to speedy? loading without
fuss or jamming of-the tape in the machine, ,Also
roller 3| in its normal position when feeding a
piece of tape fromqa full roll 28,. will lift? the roll
of'the feed means.
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. Tape feeding means.-?While any convenient
means may be used which are adapted intermit
tently to be moved in and out of tape feeding
engagement during the operation of the machine
4 UK
preferablyrwhile motor 21 is running, we prefer
to use a pair of feed rollers which grasp the tape
between them, only.v one of (the rollers being driv-,
en in the formfshown. ? The surfaces of both roll
ers are;preferably.l;nur1ed or otherwise. formed
atthe start of feeding oifof plate 33 thus re? 50 for. insuring proper. graspingof the tapeduring
moving the friction caused by the;p1ate., Hence,
The roller 6| is mounted for rotation on ?the
the feeding elements function normally and feed
shaft 63 which also carries the large ?gear 64
accurate lengths of tape when a full roll of tape
andisdriventhereby; The gear 64 inturn is
is newly inserted in the machine as the inertia
feeding.
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55 driven by the pinion 65 which is mounted .on~v the
of the roll does not. interfere with feeding ac
shaft 6'I,and.the pinion 85 is driven bythe gear
>69, mounted on the shaft of the motor 21. Ac
cordingly, it will vbe seen that upon the operation
~' The web 42 travels over the roller ?3| and for.
of the motor Z'Lthe feed roller 61 will be directly
wardly over the guide roller 45 and.v between the
web guides 45 whichare integral extensions of 60 and {continuously driven. Any other suitable
gearing may be used for driving the feed roller.
the roll'guide plates 35, so that when the adjust- "
The ,idler 60. is mounted for rotation on the
ment is made by moving the plates 35 on the
shaft 'l?yrwhich shaft is journaled in the?links ?H
- pivot 31 to adjust the position of the roll 28 the
_ at either rlsidelofthe tape path. The links ?Hare
web? guides 45 are also placed in position prop
erly to guide the tape web 42 just after it passes 65 pivotally mounted on the ?xed shaft 12 mounted, .
in the side ?walls I?! and. I8 of the tape feeding
the guide roller 45 and just before it enters the
tion but in fact helps to prevent inertiafeed by
settling backon. the plate 33 when feeding ceases.
tape feeding zone. Hence? the adjustment of the
portion of? the machine. Links ?II also mount
plates 35 provides not only roll guiding but also
shaft 14 between them. I On the ends of shaft 14
arejournaled the upper ends of the legs vof the
positions the web just before it reaches the feed
ing elements of the machine.
v70 U-shaped yoke 15 (see Figure 3) so that vertical
- The tape web 42 in its forward passage through ~
the machine rests now on the tape supporting
'table 50 which has a slot 5| therein through
movement of the yoke 15 will result in movement
of the idler 6B in a vertical direction toward- and
away from the driven roller 6|, thus moving'the
feed elements in and out of tape feeding relation.
which the" tape feeding elements may act?. The
web is held in its forward movement through the 75 The baseofthe yokeglE is securedto the arma;
accesses
7
ture ?I6 .of a solenoid 11 ?which is mounted 'on a
bracket ?I8 secured to ?the side wall ?of the
machine. 'The solenoid "I1 is adapted whenener
gized to exert va vdownward pull on ?the armature
16 ?whereby the yoke ?I5 will also be pulled'dolwn 5
ward and the idler :60 ?will thus :be brought into
tape feeding relation with the ?constantly revolv
II I 'whichare upended in tank 112 and draw
moisture therefrom by capillary attraction. The
mountingof theplate I06 on?the links 1118 insures
easy ?removal thereof for purposes of replacement
or cleaning. As it is contemplated that the tape
will be ?fed through the machine at relatively
high rates of "speech-it is ?desirable in ?order to
secure uniform moistening to provide means for
keeping the liquid level in the tank I I2 substam
In order to insure that when the solenoid .71
is not energized the feed rollers ?will de?nitely be 10 tially constant and to this end we provide a liquid
container or fountain I-I-4 mounted in the cradle
separated and not feeding tape, springs ?80 se
?'5 ?on the outside of "cover 21. The fountain
cured to the base of the yoke ?I15 and to the hooks
may be mounted in substantially the position
8I ?which are?mounted on the bottom 'of the'table
shown in dotted lines ?.in Figure 1 and has outlet
50 are ft'ensioned to hold'the yoke
its extreme
I I6 leading into .Ipa'ssage I IFI whichconnects with
upward position limited by the upward limit ?of
the tank H2. Access to the ?tank ifor cleaning
movement of the ?armature 16. It is clear from
ing driven roller 5| whereby tape will be fed.
and inspection may .be had through the s-fron't
this construction that the tape feeding rollers "will
only be "in tape feeding vrelation when the sole
opening 1of the machine 119-.
-
Connection of :jeed and control units-It is
seen that the tape feeding portion of ?the machine
noid TI is energized vbut in order to insure the
proper relation of the tape feeding rollers at ?all
times and also ?to obviate the necessity of pro
in the .form of ?the machine under ?discussion con
tains three different instrumentalities ?which re
viding a solenoid having a substantial length of
quire velectrical actuation. These are the motor
stroke, ?we ?prefer to provide an adjustable con
which drives the tape feeding elements, the tape
motion between the armature and the yoke 15.
This connection may take any convenient 'form. 25 feeding solenoid and vthe ?cutter solenoid. In
order to provide that ?the tape controlling :portion
The connection as ?shown in Figures 1 and 3 in
of ?the machine maybe separated ?from the tape
cludes the split sleeve 82 through which yoke '15
serving portion of the machine, ?it is preferred to
extends. The Sleeve is secured to the armature
assemble the electrical leads from the motor "and
T6 of solenoid TI below the yoke 15 ?by pm 83
which normally is spaced below yoke 15. ?Sleeve 30 the two solenoids, into a single cable diagram
matically indicated at 'IZI in Figure 3 which ter
82 has threaded into it screw 84 ?which bears
minates in a plug I22 ?which in turn is ?adapted
against spring 85 within the sleeve and the spring
to contact the complementary plug 123 which is
in turn bears against the yoke ?I5. 'L?ock nut ?86
mounted in the side of the control unit. It will
holds screw 84 permanently ?in adjusted position.
be seen that it will ?only be necessary to ?connect
Turning of the screw ?will adjust the position of
this plug in order to place the control and the
the yoke with respect ?to the pin 83 and thus the
tape serving parts of the ?machine inproper=elec~
solenoid ?I'I.
Tape severing means.-?The tape severing
trical connection for operation.
?
Control circuit.-?As has previously been point
means are mounted forwardly of the feeding
means of the machine and may be of any suitable 40 ed out, the length of a piece v?of tape delivered
from the machine ?is dependent upon the length
construction. As shown they include the links
of time that the feed solenoid T1 is energized to
'90 pivo?tally mounted ?on the shaft 9'I which ?is
hold the feed rollers 50 ?and BI ?in feeding relation
mounted in ?the side walls 11 and I8. The links
since the motor 21 is of "constant speed type.
have mounted between ?them at their ends re
mote from the ?pivotal mounting, the blade shaft
93v on which is mounted eccentric to the axis of
shaft '93 vthe ?blade '94. Links 90 also pivot'ally
carry the upper ?end of yoke 95 which is ?secured
45
A preferred hookup of electrical instrumentali
ties to control the operation of the feeder and
cutter solenoids is diagrammatically shown in
Figure 8. Power is supplied from any convenient
power source I30, it being ?assumed that, {as ?is
to the ?armature Q?Io'f the solenoid?S'B. The knife
'94 ?may take 'any'convenient shape and as shown 50 ?customary, the power source will be alternating
current. Suitable ?and obvious changes could be
in Figure 7 has guide members 95 which extend
?at all times through slot .92 in table illthus
insuring that the knife will be positioned "for
?operation at "all times. The sliding action in s?ot
92 insures ?good shearing action because of ?the
eccentric ?mounting ?about the axis of shaft :93.
made ?in the circuits 'to adapt them to a "direct
current power source. Connection I3'I may be
made to the power source and may take the
55 form of a plug or the ?like in the customary mane
ner. Switch I32 ?which may conveniently be
mounted on the outside of control unit "(see Fig
ures i2 and'3) is adapted to provide for the ener
gizing of all of the circuits used. so that with
Intermediate the guides ?95 the knife ?is "shown as
of inverted V-shape. The portion of the knife
is normally held out of the path of the tape by
the opening of this switch, the entire apparatus
the springs '99 tensioned between the yoke 96
?and the hooks I00 mounted on the bottom of
table 50. When the solenoid 98 is energized, the
downward pull thereof ?against the tension of the
springs 99 ?will bring the knife '84 across the path
of the tape, severing ?the same. ?Theme'a'ns for
is cut off from electrical energy. A suitable pilot
light I33 (see Figures -2 and 3) is connected to
the "power source between leads I34 and I35 so
65
energizing ?the solenoid will be ,describedbelow.
that closing of the switch ?will result in the pilot
light being lighted informing ?the operator that
the machine is ready for operation.
M oi'steni'ng means-Any suitable "type of mois
ten?ing means may be utilized. As shown, ?the
The closing of switch 132 will also close an
alternating current ?circuit through the motor
to links I08 which are in turn pivoted at ?H0 to
the walls I?! and I8. ? The pressure plate carries
the closing of the switch does not cause the feed
ing of tape, the motor will have time to come
through lead ?I36, plug 25, the motor, plug 25,
tape, afterpassing the ?cutting means, "encounters
?the ?plate I05 over which it passes. The tape 70 and lead I 31. Hence the closing ?of the switch
I32 will start the operation of the motor. As
?passes under the pressure?p'lat'e I06 pivoted ?at ID?!
?an'ad?ju'stab'le weight I69 adapted to'holdthe tape
?in ?intimate contact with the moisten-inglbrushes 755
to constant speed before a strip is fed.
?
vA .power'pack I40 or other suitable connection
2,403,363
10
by applying current ofre?gulatedvoltageto the
condenser I4I which thereupon begins tozbuild
is provided for conversion of the alternating cur
rent to direct current. The measurim,r is..accom
plished throughza constant voltage circuit which
includes a condenser. Mlanda tube.I42,iconstant
up to the. break down? voltage. of the tube 142.
When this voltage is ~reached,.curren__t will ?ow?
in the starter gap. of the tube,?i.. e., from starter
anode I92 to .cathode I93, initiating ?ow of cur-,
rentin the? main gap, i._l:e., between anode I9I and
voltage output being obtained from the power
pack. The tube I42. is adapted to break down
when the condenser reaches a given-?voltage and
' cathode I93.. v?The B?BClLOf thisaction is dee
current ?ows ?su?iciently from thestarter anode
scribed. below.. The variable resistance I16 vis
of the tube. toathe cathode to initiatev the flow
of current in =themain gap of? the tube which 10' provided to permit adjustments in the length ofv
the timing interval which may be necessary to
?ow of current is adapted to stop the feeding.
compensate forvariations intape length caused
of tape by operation'of a relay whichbreaks the
by thelag in tape feed members 66 and BI engag
circuit containingthe feed solenoid. .We, have
ingthe tape tostart'forward movement thereof.
found- a cold? cathode tube useful in this connec:
The resistance I11 is inserted as'a-protection'ifor'
tion but other tubes having ?equivalent charac
the tube;.-.. The keys?in the unit bank I45 are :nurri-j
te'ristics or? other devices capable of similar func
bered .i-n FigureS from 0 to 9~ andare' adapted to?
tion may suitably be used. ' Thestart of the build?-v
insert? resistances into this circuit which will delay
ing up ?of the condenser MI and the feeding of.
thevb-uilding up of the condensertthe breakdown
tape is. accomplished by- the depression ?of- a ?key
of- the? tubepand'the. consequent operation of the
in the unit bank 146 which closes a'circuit which
operates start relay I43. Operation ?of the start ~ stop relay which?causes the deenergization of ?the?
feed solenoid for proportional periodsiof time
relay- closes circuits which operate the feeder
which the feed rollers Bo and 'BI will be infeeding
solenoidand start the timinginterval'. When the
contact, feeding O'to ,9 inches. In this, instance
condenser MI reaches a predetermined voltage,
the'9 inch-key has been depressed,.and'nine-1>
the tube I42 permits current to flow in ?the main
inch? resistances-I15 are in the timing circuit,
gap to. operate a stop relay I457 The operation
hence while the condenser is building 1113.9 inches
of the relay I45 opensthe circuit containing the
feeder solenoid TI and closes a circuit containing
of
, As
tape
can
will
beobserved;
be deliveredpii
however,v
A from
' , , Figure:
? '
" l-"o'f
the cutter solenoid 98' as .well'as restoring the
depressed key to its normal position readying the 30. the drawings;.1the tapeweb in theiform of machine
shown travels for a considerable? distance vin the
machine. for delivery of another vstrip of tape.
machine after it passes the feed-elements 581 and
?Inasmuch. as direct current?of constant voltage
GI and it will be undesirable to feed? in the-rhea
is 'only required in the resistance timing, circuit
chine, lengths of tape shorter than will; :when.
since the relays I43 and I45 may be energized?
fed, present; the end thereof at: the ?front'po?rtion
of the machine .for graspingand; removaL-j This
statement is-not' intended to limit" the construe};
by a non-constant D. C. voltage, only a? small
portion of the output of the power ?pack need
be utilized .for?th'e constant voltage D. C. supply;
thus 'theco?st of the power .pack may be mini
tion of the-?machine ltogth'e speci?'c'ifor'mqshown,
but it is clear"that,'for example in-Fi'gure 1,-if-e1
piece of tape'of one inch'in length were fed, the:
forward end'thereof would not issue from the
machine.v This'would cause confusioniand. jam+
mized. The operation of the hookup; including
all of the circuits involved, can best be described
by illustrating an example of Such operation.
a Start relay.--Thus if key (?9? for instance) in
the unit bank I46 is depressed, a circuit will be
completed through the lead I41 from?the non
regulated'direct current supply, lead I48, the key
contact ?I49, the lead I50, the start relay I43,? the
ming of the machine when the next?stripwas- fed;
Furthermore, as ?machines of th'etype under con-"
r sideration ?are adapted mainly for use in?. shipping
lead I5I and the lead I52 returningto the nega
tive power supply, -The energizing of this circuit,
by operating the start relay, has broken contact
I54_ and has made contacts I55, I56'and I51;
Thus four other circuits are affected by operation
of the start relay and these will now'be described.
iThe contact I54 being broken, the short circuit
which heretofore existed around the condenser
m andihcluded lead I65, resistance ?111,: lead v
I61,?c0ntact ?I54; lead I65,11ead I18 and leadv I52
is broken. Thisshort circuit served?thepurpose
rooms? which do-not'require such ?short lengths
of tape, it will ordinarily? not be? necessary to ?feed
such short lengths. 91
?Y
?
'
"
1
.
I
?
;
?
?For this reason the description of thexcirc'uit
which is? closed on? the closing of contact 'l55?set
forth above appliesi'only "to ?delivery of? lengths
of tap'eicau?s'ed by thefdepression of? the'4-inch"key
or above- of ,th'e-Tunit' bank [45.? ?fit ~for example
the'Z'inch key ?of the ?unit bank I46 is? depressed;
the timing circuit lvvil'lithen include 'the?lea?d 168i
the contact I55, leadil'??ilf, the ?various 'leads'of the
of keeping the condenser absolutely discharged
tens bank I38 as set forth above, lead I10?,y:re'si'st+,
ance ISO-which may conveniently be made equiv-j
prior to the'cornmencement of the timing interval.
alent to a time for delivery of? for? example tenv
inches of - tape, keyv contact-I I8 I',"two resistances
'The making of the contact I55 initiates the
flow of regulated direct current to the condenser
I4I, the?circuit including the? lead I68? from the.
power pack,.contact I55, lead I59 and the various
leads in the tensbank of keys I38 which intheir
non-depressedcondition, (which is the assump
I 15 below the'key'acontact' I8I? corresponding't'o
two inchescf-?tape, variable" resistance I16 "etci'
as above. The resistance?IM has the v'eifect'of
adding enough length'to the strip? delivere'd'so
that it will'not become jammed in ?the? machine�
tion of this example) include no inserted resist
if by mistake-a key in itheju'nit'ba'nk I46 below
ances, the lead I16, the lead '3', the key contact
4 inches should be?de'pressed.
I12 whichwaspreviously made by the depression
It is clear, however, that itnmay be ?desirable
at times ?to? feed'a' length? of tape equivalent'i?to
one of;these-l'ower' units of inches plus ?a multiple
of key No. 9 of unit bank?I'GG, the series of resist-4
ances I15, the variable resistance I16. the lead
I65, to the plate of condenser ,I4I, also the resist
ance I11 to the-starter anode #92 of the tube I42
andthe leads I18 and I52 back to the negative
power supply. It will be seen thatv when this
circuit-is set up the timing intervalhas begun 75
'
J T. '
of ten inches-as for example twenty-two inches
and?the ?circuit? which will produce the delivery
of twenty-two'inches will now be described.v This
circuit will also obtainwhenever any key in the
bank I38粇is depr.essed,_i. er, wheneverlteninches
2,408,368?.
12
or more? of tape? is. desired... The? 20; monkey. in?;
the?. tens? bank-i I38 is?rst depressedi; but?. does-not
close anyfcircuiti or? cause any? taperto: be: delivered:
until a key
the unit: bank; Mt? is depressed
(obviously? if. twenty inches alone: is desired-,the;
20: inches key? in? the" bank I138? will ?rst be: de
pressed and the10 key'in the? bank? I145? willzstarti
the?? timing? interval as? above: described). The 20.
sothat'th'eieed rollers arernow' in operation and
are feedingrtape;
Stop relay;--As: mentioned. in. connection. with
thezd'escription- of the circuit including thecon-tact.
I156] which was closed; by- the: operation of the?
start; relay; a. path; has been prepared for the:
completion of. a. circuit. which. includes thestop'
relay I45, anode I9;I and? cathode: I.93'of. the?. tube:
inch key in the bank? I38. having been. depressed,
I42; Accordingly when the. breakdown; point of.
contact: between leads I83? and I84
broken, ' 5 tube. I42 is reached and. the; ?ow; of current: from
contact? between leads i813ranul: I85 is made and"
contact I88? is made; The. two? inch key in; the:
bank:
includiiigfle?adI146 is'now'depre'ssed;
I68; contact'1I55i,
and?; completes
lead. I 69,. lead;
a - I 83;.
lead I85; resistances. r86: equivalent to?. twenty
inches of? tape, lead . Ii?Iil; l?eaidii I. 81;.keycontact I 8.8;
lead F89; the;- lasi; three; menti'oned� conductors
anode I92 to. cathode: I93 initiates?. the ?OW; of.
current: from anode.? I�I'. to cathode: I93 thusconr.�
pleting'. the circuit; the: stop relay; will: operate;
The: circuits completed; or; broken by!
relay'willnow'bedescrihed.
stop.
'
The circuit including? contact 2H0: isinormally;
passing: current: when: the. stop.? relay is: not; were
gized'. It" has been; fully-described in connection
being; at shorti"circuit-around. resistance: I:8 ll};v key?
with. contact I51; which. the operation. of. the: start
contact: I'8%I which: has made: on the; depression
off?the'2fin?ch'keya resistances I515.? belovw'the 2: inch 20 relay" I43. closed?. This. circuit is. broken. on the:
operation of the: stop. relay I45? and. since; this
key, variable?: resistance:- I'IE, etc. as: originally
circuit includes thefeoder solenoid. ?I1, energi'zaa
described above: It'v is. seen that the. depression
tion. of; the feeder? solenoidi ceases; the: taper: feedof onetoii thetens keysrnotionly?inserts the appro
priate?: resistances into: the? timing-f circuit to ? pro-=
duce a; length of' tape: equal: to: a; multiple of? ten�,
but; also short- circuits the? resistance. I365)? which:
is no? longer necessary?to? prevent the delivery'of
a piece of tape too short: to7 issue from the: mar-
chine; whereby" apiece of: tape:~ equal to a multiple
of ten". inches" plus less? than. four? inches in". the?
example? shm is delivered;
With the exceptions apparent from? the dc}
scriptionsgthecircuits obtained on depression of
aunit key? above or? below 4?, or belowe including
a'imu'ltiplei oflwirom th-ebank:I=38;.a;rasimi1ar exe
cept- that? more; or? less resistances are: inserted in
the? circuit and? it is accordingly: not deemed 1113C?
ing: elements. separate,_ and the feeding. of: tape
. immediately stops;
On the. operation otfstop relay- I4~5,_.conta-ct 20.I
makes, completing am alternating: current. circuit.
which; includes: lead: It95i,. lead 205, keyv release.
solenoid. 206, lead. 201, contact20'l. and lead I52.
to? negative: power.? supply; The energization. of.
key release solenoid?: 205.! releases the. previously
depressed keys to: their? original; condition; thus.
preparing? the? apparatus for: the delivery of the
next; strip of tape. The: manner in' whichthi's
solenoid releases the keys will: be.v more fully
pointed out below};
Operation of? stopv relay I45 closes contact; 2021
which completes an alternating, current circuit
including leads L95 and 208-, the. cutter solenoid?
from. 5 tol?il?ii'nchestwhinh can. be? obtained?: in the":
construction of the?; example shown; suitable? rem: 40 98;.Iead1209; contact. 202 and. lead. I52? tonegat-ive
power? source. This" circuit; is seen to include the:
sistan'cesmayof courserbe employed to: providedor;
cutter. solenoid:v 98- and- accordingly operates the
delivery? of. lengths greater than: 59;- inches. Itis
cutter-to sever the already delivered: piece of tape.
also. clear-"thatzany desirable unit-of measurement
When? the stop relay I45 operates, the contact.
may? be: employed? such as centimeters: or mul
200' in the?: circuit including the feeder solenoid
tiplesiof inches or? centimeters; It is-- understood
?I.'I-,, immediatelyv breaks and the solenoid TI: re
that: when?. a key? is depressed, itistaysi depressed
leases the feed. elements so that the feed of. tape
until released: by some means; and?. this construc-v
immediately? stops; Thev making; of .contact 202'
tion will be more fully pointed
below'.
results. in the energizing of. the cutter solenoid 98'
Returning: now- to :the: circuits which have been
but: it will be seen that. this does not take: place
?completed. by? the. operation: of? the start relay I'4:3~,
until; after: breaking of- the contact: 200 so that
it" is seen". that; the. contact; I5.6~ closes; on. the opthe: taper will. have the: short time? necessary to
eration of: the?: start? relay.
contact. prepares.
come. to a complete. stop before cutting, occurs.
but, does not close a circuit; which. includes the;
While we have found that: this short-time inter
leads IMF? and I48, contact I510? stop: relay? I.45.-,.
val; is sumcient to allow the. tape�. to come to a
lead l:90\,.to't?he.~' anode I9' of'theitubedu; When
essary'toidescrihe the obtaining of; lengths of tape?:
the: condenser I74-I: is- charged to the breakdown"
point. off the:- tube,-. the starter anode I92 of the
stop? before? cutting. if it should; be found that
cutting; takes place while tape still retains. some
residual motion, the circuit- which, includes the
cutter solenoid maybe utilized to operate a fur
time. I42? will pass? current to- the cathode: I93: inv
the starter" gap" ofv the. tube and: by exerting? a
trigger or starting actiom causethe tube to ionize 60 ther relay which relay may operate to close a, cir
cuitincluding the cutter solenoid thus lengthening
andpermit current to passin-the. main gap of the
the time interval between. the stop of the~feed
tube from? the?: anode: I.-9'~I.- to the cathode I193, to
ing; and the cutting.. Naturally since very short
the: leads I18 and I52, thus completing a circuit
periods of time are involved, insertion of this
which operates? the stop-relay. However, this cir
cult is-not completed:untilithe-tube ionizes'so that
the? contact. I59, which: is closedby the start relay
I43, merely prepares the� way for: operation oi the?
stop?relay.
.
The contact I51? closes-1 an. alternating current
circuit which operates the: freed-l solenoid/and in
cludes the leads? I95.r contact I51,? lead? I596; feed
solenoid T1, lead I91 ,. contact 200- of the stop relay
which is normally? closed" when. the: stop- relay is.
not energized, and lead? I52- to? thernegative. power.
supply. This circuit energizes- ther- Edd. solenoid
additional relay will result in. absolute. certainty
that no. cutting can. occur while.- the. tape. is. mov
ing'.
.
The operation. of the key release solenoid. 20B
restoring: the depressed. keys to? normal. has.
broken the? circuit- made' by depression of the. 9
inch key from the: unit bank I46. which circuit in?
cluded the? start relay�, and the. start relay being�.
no- longer? energized,v the contacts I54, I55; I55
and I~5:'I are restored to the. condition! in which
they? were prior? to the energization. oi then start.
2,408,363
13
14?
relay I43, that is contact "I54 has made restoring
the bar in a 'direction'away from the'solenoid
th'e'short circuit around tube I42, contact I55 is
thus engaging the key.
a
'
The� bar 252 is operatively connected at its end
broken opening'the timing circuit, contact I56
is broken opening the circuit including the?stop
relay I45,~and contact IE1 is? broken opening the
circuit which, contains the feeder solenoid 11
which has already been 'broke'ni?b?y the breaking
remote from the solenoid to the connecting bar
210 which joins it to' the lock bar 21I of the
tens bank of i keys I38. The ?mechanical con
of contact 200 on the operation of stop relay I 45; ?
I The breaking of the circuit including contact
with those. of the units bank. The bar 210 is
also connected with the pull bar 212 which is
structi'onand?action of these keys is identical
I56, which deionizes the tube I42, ?deenergizes the 10 secured tothearmature 260 of the solenoid 206
and may be regarded as an extension thereof.
stop relay I45 so that? contacts 200, 20I-and 202
Energization of solenoid 206 will result in clear
are restored?to their original condition before
ing of vboth of the banks of keys of any depressed
the operation of the stop relay. Contact 200 in
keys. :Spring 262 tends to hold thelock bar
the circuit including the feed solenoid 11 makes,
preparatory to the delivery of the next strip of 15 in its forward position so thaton depression of
a. key, the same will be positively held'in its
tape but of ,?course- not?v completing a circuit
through the solenoid 11. Contact 20I breaks de-v
depressedv position until released by the release
energizing thekey release solenoid 206 whereby
?solenoid 206.
.
1
v
.
As?h'as?been previously described, during the
the keys may now be operated to deliver another
strip of tape.? Contact 202 breaks,? breaking the 20 operation of the control unit and "after the de
livery of a piece?of tape, the key release solenoid
circuit which includes the cutter solenoid .98
whereby the cutter solenoid is deenergized and . is energized whereby the armature 260 exerts a
pull'to the left in Figure 5 thus releasing the
the knife moves upward ?from the path of the
catchy member 254 and permitting thev key to
tape in-a manner previously described. The ap-,
paratus is now ready for delivery of another strip 425 return to its normal position as has been de
scribed,ready for ?the delivery of another'piece
of tape.
. .
Key construction.?-It is, of course, clear that
of tape.
,
'
�
7
~
?In order that a release may be had ofany keys
any suitable means may beemployed for insert
ing resistances in the timing circuit?and .it is
not intended to limit our invention to the con
depressed during the time the machine isnot
30 in?operation, it is preferable to provide a manual
key'release button which may be .utilized to clear
the two banks of keys when operation of the
machine is about to start. To this end is pro
vided the ear 215 which is mounted on the under
struction shown. However, in Figures 2, 3, 5
and 6 are shown a preferred form of switches
actuated by depressible and releasable keys which
are adapted on operation to insert-suitable re
side of the frame 2I0 and which has pivoted
thereto at .280 the plate 216. Also pivoted to the
plate 216 is' the release key 211 which may suit
ablyextend through the frame 2I0 between the
dispose the keys in convenient position extending
two banks of keys as shown in Figure 6. The
above the cover 2I0 of the control unit, arranged
in a units bank I46 and a tens bank I38. 1 .} 4.0 release? key' is normally held in its upward posi
tion by spring 218. The plate 216 which may be
' Mounted on the underside of the cover 2I0
of rectangular shape, as shown, lies in slot 2119
of the control unit is a. switch supporting-frame
ofbar Y212 and a downward thrust on the key
232 which includes upper and lower slotted chan
211 will result-in moving the plate 216 in a clock
nel members 220 and 233. The key?switches 222
are provided with upper shaft portions 224 and 4.3 wise direction about the pivot 280 thus thrusting
the bar 212 in a direction to releasethe keys
lower body portions 221. The shafts 224 extend
whereby spring 214 will return bar 212 to its
through the slotted channel members? 220 and
sistances into the timing circuit andv suitably
affect the remaining circuits in the manner de
scribed above. We have found it preferable to
normal position just as effectively as ?if the sole
the cover 2I0 and are topped by push buttons
noid 206 had been energized.
226. The shafts 224 carry shock insulating pads
22I of rubber or the like which absorb the shock
of the upward movement of thekey against the
member 220. The body portions 221' which are
insure that no undesired resistances are in the
considerably wider thanthe shaft 224 as may
be seen from Figure 3, are provided with upper
slots 228 and lower slots 229 through which-the ;
lock bar 252 extends in a manner to be described.
The body portions 221 terminate at their lower
ends in three legs 248, 249, and 250. The out
side legs 2-48 and 250 are adapted to pass on
either side of the base member 233 when the
key is depressed. The middle ?leg 249 is pro
vided with spring 25I which tends to thrust
the key in an upward direction except when it
Operation of this
mechanism prior to operation of the machine will
timing circuits and will further insure that when
switch.v I32 is turned on, the motor21 will be
given an adequate time to warm up and reach
constant speed before the machine, is operated
for delivery of tape. The detailed construction
of depressible and releasable keys is substan
tially that shown in United States Patent No.
2,196,433.,
60
I
V
,
Switch contacts-Any convenient means may
be utilized to insure that the operation of the
button switches 222 will complete or?break the
proper� circuits as describedabove in connection
229, acting against the inclined surface 255, will
with the wiring diagram Figure 8. The construc
65 . tion illustrated in Figure 3 which is also that
shown in the above mentioned patent includes
insulating material 30I mounted on the side of
body portion 221 of the key switch 222 and ter
minal panel 302 of insulating material mounted
70 on the frame-232. vReferring to the wiring dia
force the bar 252 in the direction of the solenoid
gram Figures, it is seen that the depressionof
is held depressed by other means. ?
?
>
Referring to Figure 5, the lock bar 252 is
provided on its upper surface with extensions
253 having catches 254 and angular top surfaces
255.
On depression of a key the edge of slot
206 until the end of the surface 255 is reached.
a key in the units bank effects the making of two
Then the key which isnbeing depressed is further
pressed down until the slot 228 engageswith the
contacts while that of ?the tens bank effects the
catch member 254 and the spring 262 thenforces �.
making of two contacts and the breaking of one,
Consequently we have?provided double Ll-shaped
15
male- contacts 310. and: 315? on the insulating ma,
terial 39! of the keys in the bank I46 and double
female contacts 304 and 995- on the terminal
determined length, said means includingv a? feeder
circuit,v a. timing circuit and a- stop: circuit, s-ai'd
feeder circuit having instrumentalities for bring
panel 382.
inglsaid tape feeding elements into tape feeding
Similarly in the bank 138-, double
male contacts 399 and 39-? are provided on the
insulating. material 381 and double female con
tacts 321i and 322 as well as, single contact 323
are: provided. It will be seen that these contacts
are; adapted on. operation of one of the push but
ton switches to modify the circuits as shown in
relation when said circuit is. energized, said tim
ing circuit being coordinately energized with said
feeder circuit, saidtiming circuit completing. said
stop circuit after a given predetermined interval
of 'time comparable to a given predetermined
length of tape: and said stop circuit having: means
Figure 8..
to break said feeder, circuit whereby said feed
In Figure 9 is. diagrammatically- shown an
rolls- are: removed from tape feeding relation and
feed; of tapeceases...
alternate form of construction of tape delivering
2-}. An apparatus for delivering strips; of. tape
and severing means, which has the advantage
of including only one solenoid for operation of
of predetermined length�, including; feed; elements
for feeding: the tape, a: motor? mounted?; to drive
these means, This, construction includes the tape
at: least: one of said feed elements in; tape feeding
table 285 over which the; tape web 286v passes.
Feed elements include driven roller 288 and idler
direction, at least; one of: said tape- feeding ele
ments: being mounted for movement into and out
roller'289. The last mentioned� roller is; mounted
on a. pair of: arms 2'9l pivoted at 292 in. the-side 29 of tapev feeding: relation, a cutter for severing: the.
walls of the: machine and having mounted on its
tape and electrical? means for-controlling the? de
livery of predetermined lengths of: tape and the
end, remote from, the roller 28.9, the cutter 294
severing of?: the tape after' delivery� of tape has
pivoted at 2.95.. Solenoid 2911 has armature 29B
operatively connected to the arms 2'9l- between
ceased; said means.: including-a feeder/circuit and
the pivot 292 and the idler roller 28:9?. Arms? 29!
a. cutter circuit, said? feeder circuit including- in,
also. have extension spring 36!! attached to the
strumentalities moving said feed elements into
arms between the pivot 292 and the pivot 29%. It
tape feeding relation when said circuit is ener
gized? whereby energization of. said circuit starts
will? be?. seenthat- energization of the-solenoid 29?!
the feed of? tape, said. cutter circuit. having in
resulting: in a downward pull of the armature
298' will pull the feed roller 289, downward? into 3.0 strumentalities operating: said cutter: when said
circuit? is energized?, a timing: circuit adapted to be
positive tape feeding engagement with the driven
energized? when said. feeder circuit is energized
roller 288- and at the same time will move the
whereby they feed of tape?and? the'timing'interval
knife: 294 out of the path of the tape. When the
will start simultaneously, said timing circuit after
solenoid 291 is deenergizedi the spring 300 will
a predetermined period; being, adapted to start
move: the arm 29! in a. clockwise direction about
the pivoted mounting 292 bringing the knife 294
the ?ow of current in a. stop circuit,.saidr stopcir
cuit being adapted tobreak said feedercircuit' and
sharply down to sever? the tape, while of course
thereafter to close: said: cutter circuit whereby
separating the feed? rollers 288 and 289. In this
feeding ceases and the tape is severed by the.- cut
construction it is preferable to provide the knife
294- with a small amount of.? travel? before it actu_ 40 ter.
3. An. apparatus for feeding,- measuring and
ally contacts the tape. As the feed rollers will
separate immediately the spring 300 is thus per
severing strips of tape including a pair of feed
mitted to act and While the knife 294 travels this
elements'betwe?en which said tape passes, a motor
short. distance, the tape web 286'wil1' come to a
adapted to be driven at constant speed, one of
dead stop.
said tape feeding elements being driven. in tape
feeding direction by said motor, at least one of
said elements being mounted for movement into
and'out of? tape feeding? relation, a cutter for
While we have described? in detail certain pre
ferred procedures to be followed in practicing
our invention which we have found to be con
venient and practicable, and while we have illus
severing the tape and electrical means for moving
said elements into tape feeding relation, holding
trated and described in detail certain forms of
apparatus which we have found Well adapted to
said? elements in tape- feeding relation for a pre
determined length of time to feed a predeter
carry out the required operation, we do not wish
mined length of tape, releasing said elements
to be understood as limiting ourselves to the per
whereby the feed of tape ceases, and? operating
formance of? the process in the precise manner
set forth or the following of? a particular sequence 55 said cutter to sever said tape, said. means in
of operations where not essential to secure the
cluding a feeder circuit having therein meansito
intended result, or to the use of the particular
translate electrical energy into force, and a cut
apparatus as set forth in the speci?cation, as we
ter circuit, said means in said, feeder circuit be
realize that changes both in procedure and in the
ing mounted to move said tape elements into tape
apparatus are possible and we further intend 60 feeding relation when said- circuit, is energized
each step or sequence of steps and each element
whereby'energizing said circuit startsvv the feed of
or instrumentality appearing in any of? the fol
tape, a timing circuit, said feeder circuit and said
timing circuit being adapted. to] be energized si
multaneously whereby the feed: of tape, and the.
instrumentalities for accomplishing substantially 65 timing interval will start, together, said. timing
circuit, after a predetermined period being
the? same result? in substantially the same or
lowing claims to be understood to refer to all
equivalent steps, sequences of steps, elements or
equivalent'manner.
We claim:
adapted to initiate the flow of current through. a
stop relay, said stop. relay having a contact, in
1-. An- apparatus for feeding? measured strips
said feeder circuit and breaking the same when
of?tape, a pair of? feed rolls to feed the tape, a con 70 energized whereby feed of tape ceases, and closing
stant speed motor for driving at least one of said
said cutter circuit, said circuit containing? means
rolls in. tape feeding direction, said rolls being
to translate electrical energy into force, said
means being adapted to operate said? cutter when
mounted for relative movement into and? out of
tape feeding relation, and? electrical means for
said? circuit is energized whereby] the cutter is
controlling the delivery of strips of? tape of?pre
operated;
-
�
-? 2,408,868
18
1.7 '
4; An? apparatus? , foriufeeding-sand - severing
whandle 'for'rconvenient grasping and additional
?Weight mounted on the rear thereof.
~ measured?. strips ofl?tape including ?a pair 'of?feed
i
,
> elements to, feed .theitapaia motor mounted to
drive at least one of said elements in? tape feeding I
" 11. ?In apparatus 'for feeding strips of tape hav
ing a tape? web, a; tableover which the web'travels
direction; at jl'east'one- of said elements being?
V and feeding means mounted to act through said
table, a brake acting on said web rearwardly'of
movable in ?and out of tape feeding'irelationra
saiditape feeding means, said brake comprising
cutter to sever the tape and electrical control
means to- start ?the feed of tape,v measure the
> length of tapebfed, ?sever the'tape� and cut'the
tape, said means? including a feeder: circuit, (a
~ av weight pressing said web upon said table having
-a projection on: the underside of saidweight en
10 gaging saimwebdirectly before it reaches said
feeding means and having an additional weight
timing circuit; va stop circuit and a cutter circuit,
said feeder circuit including means operable on
providinghandle mounted directly over said pro
the energization of the circuit to bring said'feed
elements .?into tape feeding relation?, ' selective
means to energize simultaneously said'fee'der and
?timing circuit and to place varying resistances in
vjection.� _
;
~
' 12. An apparatus for feeding measured strips of
15 tape including an intermittently ; operable feed
'd'evice tolfeed the tape, means'to actuate said
device to feed'tape, an electrical timing circuit
said timing circuit?to vary the time interval of
energizable- coordinately ' ?with " said actuating
' said timing circuit, said stop circuit being'rener
'
means,"
and instrumentalities"actuated by ?said
gizediat the end of said- time'interv'al and said stop I
? circuit energizing a relay which breaks said feeder 20 timing circuit after a, timed interval to stop the
" circuit and energizes said cutter circuit whereby
feed'of
the feed of tape stops and the tape is severed;
force?uponsaid yoke'tdbringfsaid feed rollers
into tape feeding ?relation against ?the pull of said
spring.
, ,?6.,,An apparatus as'claimed in claim 5 in which '
a tape severing knife is mounted on the vend of
said arms remote from said feed'ele'ments, said
knife being adaptedto move across?the path of
the tape when said rollers are moved out of tapev
feeding relation.
.
_
Q
l
?
,
.,
-
_,
?
'.
'7. Ina machine .for delivering. strips of tape,
I a roll of-tape to'be fed, guide members for cen
tering said roll? in the machineincluding a shaft
forwardly of said roll, ,plate members pivotally
mounted on said shaft for movement along the
axis of said shaft, selective. slots nearlthelbase
of said roll to engage said plates and held the
same in adjusted positions against the sides of
the roll, said roll having a web extending there
from through the-machine and integral exten
sions on said plates extending on either side of
said web as it travels through the machine.'.. ,
.l;
'
"
'
'
'
'
'
,
.,
-
14; Apparatus as'claimed'in claim 12' in which
the instrumentalitiesactuated by-said timing cir
cuit include fa,- stop ?circuit to? render-saidfeed
means inoperative, and means in: said timing ?cir
vcult to energize saidjstop'circuit. at the end ofoa
ya pair ?of pivoted arms, a yokefthe legs of which
holding said feed elements ,in non-tape, feeding
relation and?electrically operated meansto exert
'
ing means to .vary'fthe-ti'med?interval.
5. In an apparatus of the class described, a
pair of feed elements, one of said elements being,
mounted for movement in and out of tape feeding
relation, said movable element being mounted on
arev secured ?to said arms between said pivotv and
'saidfeed element, and a spring secured to said
arms'on the ?other side of said pivot normally
tape.
~ ? 13. An apparatus as claimed in claim 12 includ
timedainterv?als
30
~
.
-
,
.
,
,
I
.
.
-,
'15.?, Apparatus'asicla?imed in claim :12 in which
said timing circuit includes a condenser and a
switch-operable to stop the feed of ?tape only when
said "condenser" has received agiven predeter
mined charge.
'
i
-
'
?
'Y
;
?
16. Apparatus'as claimed in'jc'laiml2 in which
said timing circuit includes acondenser andsaid
feed stopinstrumentalities include 'a switch; oper
able, to stop'the feed of tape when a predeter
~mined charge has beenimpressed on-said con-4
denser, and means to'.. vary? :thejtinie?required. to
bring ?said condenser to wsaid-charge, said means
including-a'series of. resistances selectively insert
able into said timing circuit.
-'
'
' .
17.; Apparatus as claimed in? claim 12 in- which said timing. circuit'i'ncludes the ?starter gap of ;.a
tube and said tape feed stopping instrumentalie
ties includea circuit having the ?main gap ofsaid
tube, ionization'of said'tubeaoccurringat a given
predetermined charge across; said starter jgap,
50 whereby ? current ?ows ?in "said main gap tostop
thefeedoftapei
' 18. Apparatus as claimed-inclaim
"
12 including
means to prevent" thefe'eding ?of strips'of tape of
1 8. A- machine for delivering strips of tape hav
less
' 19.?mane
7 An� a'pm11'~a1;1'1s?v
'give'n' predetermined
for; i-feed'ng"measuredxstrips
length; ~
ing :a-roll of tape to be fed, a shaft in said machine
of tape including anintermi'ttently operable-feed
forwardly of?said; roll, said shaft carrying roll
guides slidably mounted thereon. slots in the
bottom of the machine beneath said roll, and keys ,
on said guides engaged bysaid slots wherebyv said
roll is centered, a tape throat in said machine,
through which tape from said roll is fed, and in
tegral extensions on "said guides extending'on
' device to feed the'Itape; electrical means toia'ctu
ate ?said device to ?feed tape; an" ?electrical timing
circuit? ?energi'zable, coordinately with said :electri
cal feed actuating means, ?andfinstrumentalities _
?actuated ' y said? timing ?circuit 'aiter'.'a~' timed interval to stop the feed'oftape?. ' '
I. '
either side of ?said web? just prior ?to its entrance
20. In an apparatus forfeeding measured strips,
means to feedsaid strips and electrical ineansior'
into said tape throat,
actuating "said feed?mean?s to provide fed ?strips
_
-
_
9; In'app'aratus for feeding strips of tape, hav
ing a tapeweb and a tape'path in which said web
travels, a pair of feed elements acting upon said
of
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