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Патент USA US2407319

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Sepf.'a lo? 1946.
J, R, MCLAUGHLIN.'
'
AUTOMATIC
y
2,407,3Í6g
GUTTEIÈ
A
Filed Oct, 23, 1942
4 Sheets-:Sheet l
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lNvENToR. y
JOHN R. McLAuGHLlN.
BY @@70..
ATTORNEY. 'ì
Sept. 10, 1946.
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J. R. MCLAU'GHLIN
AUTÓMATIG
_
CUTTER
. 2,407,316
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Filed Oct. 25, 1942
Sheets-Sheet 2
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J HN RMCLAUGHLIN.
BY @ë
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.ATTORNEY
Sept. 10, 1946.
.
J. R. MCLAUGHLIN
2,407,316
AUTOMATIC CUTTER
Filed bet. 23, 1942
4 Sheets~Sheet 5
INVENTOR.
JOHN R. MCL GHLIN.
ÓÁMÍQ.ATTORNEY. .
Sept» ï0§11946«
-
J. R. McLAUG-HLIN
¿4079316
,
AUTOMATIC CUTTER
l Filed Oct. 25, 1942
4 Sheets-Sheet 4
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ATTORNEY
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Patented Sept. 10, 1946
2,407,316
UNITED STATES` PATENT OFFICE
2,407,316
AUTOMATIC CUTTER
John R. McLaughlin, New Brunswick, N. J., as
signor, by mesne assignments, to Tampax In
corporated, New York, N. Y., a corporation of
Delaware
Application October 23, 1942, Serial No. 463,095
13 Claims. ( Cl. 164-68)
1
2
This invention relates to apparatus for auto
.
In connection with the present disclosure, ref
matically forming Acompressed form-sustaining
erence is herein made to the accompanying draw
ings which form a part of this specification.
wads of absorbent cotton or the like for use for
sanitary purposes, and said apparatus more spe
ciñcally relates to devices which are coordinated
with a sewing machine and adapted to sever the
In the drawings:
'
'
Figure 1 is a side View in elevation of an ap
paratus which embodies the features of my in
withdrawing string which is employed in certain
types of these sanitary articles.
Prior to being compressed, and when leaving
vention.
`
Figure 2 is a fragmentary sectional view in ele
vation taken transversely through the structure
shown in Figure 1 substantially along line II--II
of Figure 1, looking in the direction of the ar
the sewing machinethe cotton or other material
has been cut into elongated pieces with the fibers
disposed transversely, and these pieces have been
rows.
stitched longitudinally in spaced relation to each
-
Figure 3 is a perspective View of a rotary string -
other with a connecting string between them.
cutter holder utilized in the device shown in Fig
Upon leaving the sewing machine, and prior to
ures 1 and 2.
‘
»
being operated upon by a compressing and form
Figure 4 is a perspective View of a blade-retain
ing apparatus, the attached pieces in the form of
ing plate used in connection with the holder
a continuous strip are passed through devices
which are adapted to sever the string close to
an end of each piece, thus leaving a “tail” at
shown in Figure 3.
'
Figure 5 is a plan view of a blade of the type
it is desired to employ in connection with the
tached to each piece. The present apparatus is
designed for the purpose of accurately and effec
elements herein shown in Figures 3 and 4._
Figure 6 is a top plan view of the apparatus
tively performing this severing operation.
disclosed in Figure 1.
An object of my present invention is to provide
a machine that is adapted to rapidly, successively, ’
and efliciently sever the withdrawing string close
to an end edge of each piece of absorbent ma
terial, and to do this without injury to the re- .
’
Figure 7 is a perspective View of the gear in
dexi'ng roller utilized in conjunction with the as
sembled apparatus shown in Figures 1 and 6.
Figure 8 is a vertical side elevation of the ap
paratus, portions of which are in section substan
spective pieces while they are being operated
tially along line VIII-VIII'of Figure 6.
upon.
Figure 9 is a fragmentary sectional view taken
substantially along line IX-IX of Figure 6, drawn
Another object is to perform the cutting op
eration automatically and without interference
to a larger scale.
with the continuous operation of the apparatus
which sews the strings.
j
`
Figure 10 is a diagrammatic plan view showing
,
Still another object is to provide an apparatus C17 Cil
which is capable of being readily coordinated
with the sewing machine, or with the compressing
and forming apparatus, or both, while my pres
ent apparatus is operating in a continuous man
the position of severing Isuccessive strips of cot
ton having a stitched connecting `string therebe
tween after leaving the sewing machine, and
showing the string severed at one of the strips.
Figure 11v is a fragmentary sectional View taken
substantially along line XI--XI of Figure 6. y
Figure 12 is a fragmentary plan View taken sub
stantially upon the plane of line XII-XII of Fig
ner.
The above-mentioned, as well as other objects,
aims, and advantages of my improvements, will
ure 8.
be obvious to persons skilled in the art after the
construction and operation of my apparatus is
Figure 13 is a perspective View of a cam follower
'shown at the lower portion of Figure 12.
understood. It may be mentioned that it is an ß"
Figure 14 is a sectional View taken substantially
aim to provide an apparatus of novel construc
along line XIV-XIV of Figure 12. ’
tion; dependable in use; capable of being readily
Figure 15 is a vertical transverse sectional view
assembled when being manufactured; and is ef
taken substantially along line XV-XV of Fig
ñcient in performing the functions for which it
ure 8.
i
may have been devised.
'
It is preferred to accomplish the objects and
aims of my said invention, and to practice the
same, in substantially the manner hereinafter
fully described, and as more particularly pointed
out in the appended claims.
Figure 16 is a perspective View of a trip lever
such as shown in assembled association in Fig
ure 12.
AThe drawings are understood to be more or less
schematic for the purpose of illustrating a typical
or preferred form of my invention, and in said
2,407,316
3
4
ley 39, with its spindle 5l journaled in swinging
drawings the same reference characters are used
arms 32, is adapted to maintain the apron 2S taut
and take up any slack therein. The arms 3f: are
pivotally mounted at their lower ends on studs 33
projecting from the vertical plates C, C', and they
to identify the same parts throughout the diverse
views.
The apparatus which is disclosed herein is
mounted in a suitable supporting structure corn»
are pulled in the desired direction by coiled
prising a horizontal base A, having reetB, nand
springs' 34,»34, that have their ends suitably con
nected to 'said arms and to lateral pins @5, 35 pro
jecting from the inner faces of the vertical plates
provided with vspaced parallel plates’C, C' ,ì arising
vertically from said baseto provide'mounting’s and
bearings for the instrumentalities of the appara
tus. A lateral extension A' projects to one side ofv
the feed or front end of the base A, uponfwhi'ch
Cj'C’, as shown in Figure 9.
Presser rollers 36, 3S, are mounted above and
extension a suitable speed-reducer D is mounted
in contact with the top reach or run of the apron
strip of material that moves through themachine,
25 dotted lines »in Figure 9 , and frictionally press down
2Iiv so'-> thatvthey normally will bear down upon
and driven by a shaft E receiving motion' fron'i> ,a
theïa'pro'n.
The‘trunnions 3l, 3? of these presser
driving pulley E' that is actuated from any suit
able source. A transmission'shaft E2 isY connectedv 15 'rollers'SGg 36, rotate freely in upwardly opening
verticalslots" 33, 33, in carriers 3S, 39, secured
by a clutch device E3 to the main 'shaft Iii of the
to the-upper edges of the vertical plates C, C',
apparatus that is mounted in' the vertical plates`
and said rollers 35, t6, are preferably of solid
construction of sufiicient weight to firmly con
Suitable vertically disposed guide plates l I; that
are fiared away from each other at their outer 20 tact the pieces or wadsl of cotton as the latter
successively pass beneathfsaid rollers 35, 36 on
ends,~ extend ‘ longitudinally between» the i vertical
the'apron- 26' while moving‘through the machine.
plate-s C, C' from the|` front’ towardsfthe‘rear' of
When thewads of cottonen'gage the presser roll
the structure for the'purp'os‘e 'of g'uiding'and' pre
ers‘ 36,136“, the'latter will be lifted as shown in
venting lateral displacement of the"l articles'for
and a conveyor apron II 2 receives theVV articles' after
they have been operated upon between the‘gïuides
I I and conveysv the separated' articles ï away-` from
the apparatus.
The conveyor> aproni I~2f travels” upon an in
on'said’ wads'until the latter have passed said
rollers 3S after' which the rollers 36, 35, will each
return to their apron-contacting positions as
shown-'in the‘full lines in said ñgure.
The-'wads of cotton X are elongated and are
clined bed' I 3‘secured toupwardly'eiëtending arms
provided with longitudinal stitching Y, and said
I4 that are preferably removably connected to the
wads are spaced apart suitable distances and are,
when being fed into the machine, joined by a
string Z which is a continuation of the stitching
Y'thatl is adapted to be severed as shown in Fig
discharge end-ofl the‘ apparatus; andfs‘aid apron
I2> passes around a' pulley’ Ie'at the low'er'end of
the bed I3, that has its spindle I6, which-fis 'jour'
naledin 'saidï arms I 4,' provided "with an' extended
end carrying a‘ sprocket- I'I*A that is’driven- -by a
chain I8.
The main shaft IQ isiprovided with a' sprocket i5
ureïli) during transit through the machine. The
wads’i-and the-strings provide a continuous strip
of- material when fed into the apparatus.
A't'fthe front end ofi the machine there is a corÚ
that is' engaged with-a chain2€l~extending'towards 40 rugated feed roller lie that is fast on the hori
zontaïl«main shaft lü that has its end opposite
the discharge or rear'fend'of` the `apparatu-'g"where
the` sprocket Ig provided with a gear di. Coact
saidl chain 20 engages-another sprocket 2 I‘ on" the
ing with this feed roller ¿it is an opposing presser~
adjacent end of a jack-shaftï 2'2-'journale’d in- the
roller`42 that has its spindle C253 carried in the
verticalplatesC; C' through'the- medium' of a
sprocket, 2-3» upon-fthe‘otherendof said jack-shaft 45 free-or" swinging ends~ of elongated lever-arms lili
that‘incline downward towards the opposite end
22 and-is also engaged withthe’chain- i3; whereby
the apron-engaged pulley I5l is actuated‘atrsub
ofthe machine where their rear ends are secured
stantiallythe- same »speedgasgthe pulley 20.’ that
is secured tothe jack-shaft ‘22’ between‘the verti
caljplates C, C'. The apron bed~I ß and supporting
arms,` lIll may bean’independent-structure that is
to the spindle- 28 upon which the-apron-pulley
25 is‘ï'lo’o'sely'mounted for rotation. Said spindle
28 performs the function of a rock-shaft for» ac
tuatingcertain portions of thermachine that con
trol»the timedv operation of the cutter as later
explained. The' presser-roller Il? is yieldably
urged towards the corrugated- feed roller ¿lil by
lower- ends> ofrsai‘d arms I4 are provided with
downwardly- opening slots Ida-'that embrace ad 55 meanslof coiled springs 45, 45, that are connected
at their- upper ends to the projecting portions
jacent
which permits
portions the
of- the
structure
pulley .being
spindleor
lifted‘off
shaftthe
of-íspindle 133 andv at their lower ends are engaged
with lateral pins d5, ¿lâ on the vertical plates
machine. IÈi‘he intermediate portions of they arms
I4 have supports lßb‘movably connected to' them
C, C’.
by pivot members IAC.
v ,Y
v
A horizontal shaft [il is journaled in bearings
60
Aboutn'iidway- the length ofthe vertical-plates
in the vertical plates C, C', with its end portions
C, C' there is a small pulley 25 about which an
projected beyond said plates in the manner shown
aprorrZS is engaged and whichjsdriven by the
in Figure' 2’, and the intermediate portion of
detachably connected to the delivery or rear end
of "the‘apparatus as detailed in Figure 1'1. The
pulley 24 onAV the spindle or shaft' 22- that> extends
between the vertical plates C,VC' and is journaled
. said *shaftv 41 has a roller ¿it anchored to it for
rotation therewith. This roller di is located be
therein for rotation` Said apron 2B is disposed
tween the corrugated feed roller dû and the apron
with its upper reach in a substantially horizontal
pulley 25 sothat the upper surface of said roller
48 is disposed in substantially the horizontal plane>
plane as shown in Figure 9, and there is a small
of the upper reach or run of the-apron'Ziâ. Above
idle pulley 2l engaged with the under surface of
the apron 25 intermediate thepulleys 24 and 25 70 and in vertical alignment with'the axis of roller
48, there isi' a rotatable severing or cutting device
the purpose of which will be later explained.
which embodies a mutilated cylinder d@ secured
Pulleys 25 and 2'! have their respective spindles,
to a rotatable shaft 5o that is journaled in the
28- and 29, suitably journaled in adjacent portions
of thel vertical plates C, C', the pulley 25 being
freely rotatable on‘its spindle- 28. A tension pul
vertical plates C, C', This cylindrical member
49 has a ilattened portion 5l and itis also’pro
2,407,316
5
vided with an angular groove or notch 52 which
The sleeve 13 has alined slots 18 to receive the
projecting ends of a transverse pin 19 that passes
through said shaft 41, and a coiled spring BE)
sharpened edge of said blade projects beyond the
within the sleeve 13, between the end of shaft 41
circumferential surface of said cylindrical mem
and the inner end of the conical head 14, nor
ber 49 in the manner shown in Figure 9 so that
mally urges the clutch member outwardly on the
it will come into contactive engagement with the
shaft 41 and away from the clutch member 1i.
roller 48 when these portions of the machine are
When the solenoid 54 is energized, the lever 55
in operation.
will swing inwardly and move the clutch member
The movement of the cutting cylinder 49 is 10 12 into engagement with the other member 1I,
timed so that the blade 53 will contact and sever
thereby connecting the power mechanism through
the connecting string Z between the wads of cot
gears 4| , 69 and 68 to the shaft 41, causing the
tan at a location close to the trailing edge of each
latter to rotate and turn the roller 45 and the cut
wad as shown in Figure l0. The shafts 41 and
ter cylinder 49 through the instrumentalities of
50 have gears 55 and 56 respectively that are se 15 the gears 55 and 55. It is desirable that this op
cured to their extended ends and which are in
eration be started prior to the disengagement of
mesh with each other so that they will be rotated
the roller l59 from cam notch 58, and this is read
in opposite directions and at the same speed.
ily accomplished by providing an elongated finger
The roller 48 and the cutter member 45 are pref
8l projecting from a boss 82 that is secured to
erably adapted to be intermittently rotated for 20 the rock-shaft 28 between the rocker-arm 50 and
each severing or cutting operation performed >by
the vertical plate C'. This finger 8i is disposed
the blade 53, and when the wad X is between the
alongside the portion of said arm 55 which pro
roller 48 and the curved surface of cutter mem
jects towards switch-button 5i, and it is of the
provides a seat in which a blade 53 is secured by
an adjustable' clamping plate 54 so that the
ber 49 said wad will be in a compressed condi
saine length as said arm portion just mentioned.
tion due to the fact that the space between the 25 Thus, when the wad X enters between the ad
surfaces of these elements is preferably less than
vancing rollers 49 and 42 and lifts the latter roller
the thickness of a wad X.
42, the carrier arms 44 thereof will turn the rock
The end of shaft 41 beyo-nd its gear 55 has a
shaft 23 causing the finger 8| to act as a detent
cam element 51 secured to it, and the edge of
or pawl and operate the switch-button 6|, which
said cam is provided with a notch 58 in which 30 will actuate the clutch to start the rotation of
a small roller 59, rotatably mounted upon the
the cutter devices. When the wad X passes be
adjacent end of a rocker-arm 6i), is adapted to
yond the advancing rollers 40-42, the latter roll
seat while the cutter rollers 48~-45 are intermit
er42 will drop back to normal position (Figure 9)
tently at rest or inactive. Said rocker-arm El) is
and the finger 8i will be thereby disengaged from
pivotally mounted for free movement upon the 35 the switch-button 6i.- I-lowever, the rocker-arm
extended portion of the apron-roller spindle 28,
5t will continue to hold the button el depressed
and the end of said arm opposite its roller 59 is
until the roller '59 has left the cam edge and has
adjacent an electric switch operating button 5i.
seated in the notch 58, whereupon the solenoid
A coiled spring 62, extending between the »roller
will be de-energized and the clutch elements
carrying portion of the rocker-arm 60 and a pin 40 ‘li-12 will be separated by the action of the
63 on the vertical plate C, maintains the opposite
spring 80.
portion of said arm out of engagement with said
Although the advancing or feed rollers «l5-42 K
switch-button 5l as shown in Figure 8, but when
and the cutter devices 48-49, when operating,
the roller 59 moves out of the notch 58 and en
travel at the same number of revolutions per min
gages the edges of cam 51 the arm 6i! will be 45 ute, the larger diameters of the cutter rollers
rocked to depress the switch-button El and thus
maintain the latter in this position until the cam
has made one revolution and the roller 55 has
again seated in the notch 58.
‘
41-49 give them a higher peripheral speed than
the feed rollers ¿lil-42. This has the effect that
when the cutting action takes place the part being
cut is given tension by the higher surface speed
The depressing of the switch-button El is 50 of said cutter rollers. The drive of the apron 26
is so arranged that the lineal speed thereof is
greater than the surface speed of the cutter..
rollers 48-49. As the material passes beneath
the roller 35, the friction of the material against
from the base A and which, at its free end, is ccn 55 the apron 2E will keep the material under tension,
nected by a link G1 to the movable element of the
while the cutting action is taking place, to enable
solenoid 54. The shaft 41, which carries the cam
the blade 53 to sever the string Z completely and
51 at one end, has its opposite end extended be
cleanly.
yond the vertical plate C’ and has a gear 68 loose
As the material enters rollers 45-42, the latter
ly mounted on it in mesh with an idle gear 59 that 60 roller 42 raises, and this movement causes sole
is in mesh with gear 4i on the main shaft I5, so
noid E4 to be energized, thus throwing the toothed
that the gear 58 will run free on its shaft 41, and
clutch members into assembly to start the cutting
said gear is maintained against longitudinal
rollers, The position of the blade 53 is adjustable
movement on shaft 41 by a shoulder 10 on the
in relation to the position of the cam-notch 55 so
adjacent portion of said shaft.
65 that after the blade has started to move it will
A clutch member 1| is secured to said gear 68,
engage the advancing material at the exact point
and an opposing clutch member 12 is slidably
when the string Z is to be out. As the Wads travel
mounted on and rotatable with said shaft beyond
on the apron 25, which has a greater surface speed
the shoulder 1E). A tubular sleeve 13, formed With
than the peripheral speed of the cutter rollers
clutch member 12, surrounds shaft 41 and pro
45-49, the tension which is thus imparted to the
jects beyond the end thereof where it is provided
strio of moving material causes the string to
with a conical head, the apex of which latter is
tighten so that it is cut cleanly and is definitely
engaged with the enlarged end 15 of an adjusting
separated from the leading wad X close to the
screw 16 carried in the adjacent portion of lever
trailing edge thereof. After the cutter rollers
65 and maintained in position by lock-nut 11. , 48-49 have made the cut, the clutch elements will
adapted to form an electric circuit which will en
ergize and actuate a solenoid 64 or the like, and
the movement of the solenoid operates a lever E5
that is fulcrumed at one end on a post 65 arising
7~
eng'agem'ent' withl each» other through'
themediumv ci? the edg’e‘ofïc'am 57 holding the'
remain'
switch-button depressed until’the> cutter rollers
have made one complete revolution'and have re
turned to theirstarting'fpbsitioris. Theïr'oller'äâ
moving means-for’receivingtne advanced portion
ofthestripV and adapted totighten the adjacent
portion‘ thereof; intermittently operable sever
ing' devices interposed between said rollers and
- said tightening means;
and devices Controlling
the'rop'eration-o'f said severing devices, said con
dropping into cam-notchvâëi will cle-energize thetrol devices: having operable connection with
soienoid and permit the clutch elements to become.
said bodily movable roller.
separated. The roller 42- at this moment Awill have
6. An apparatus for severing articles from a
returned to its> normal position well ahead of the
continuous
strip, embodying opposed feed rollers
10
iast-described movements of theiappara’tus, and
for advancing the strip, one of said rollers being
the-cutter members are again ready for the next
movable bodily towards and away from the other
wad oi- thestrip‘oi material as itpasses between
roller; means for' receiving the advanced strip
the advancing rollers eik-ft2'. The aforesaid cycle
and adapted to tighten the adjacent portion
oi" operation lwill continue so long as the continu
thereof; severing devices interposed between said
ous> strip of material is íedfto the-apparatus from
rollers andsaidtig’htening means; and devices
the stitching machine.
controlling the operation of said severing devices,
While I have describedmy’invention in.l detail
said control-devices comprising a cam; a clutch
in itspresent embodiment or preferred form, it
w1: Lice obvious to persons skilled in the art, after
operatively connecting said severing devices to a
and modiiicaticns may be made tnerein without
departing `from the spirit or scope thereof. I aim
in the appended claims' to- cover all such'changes
necting said clutch to said cam.
'7. An apparatus fori severing articles from- a
and modiiications.
encor-said- rolle'rs being bodily movable towards
un'derstanding my invention, that various changes 20 drive mechanism; and means operatively con
1'. An apparatus for severing articles from'Y a
continuousstrip, embodying continuously mov
continuous strip, embodying continuously mov-f
ing opposed‘feed'rollersï for advancing the strip,
and away from> the other roller; continuously
moving means for receiving the advanced por
tion’- of the strip and adapted to tighten the
adjacent portion thereof; severing devices inter
moving means iorï- receiving the- advanced por
tion of the strip; intermittently operable- sever 30 posed-between said rollers and said tightening
means; and-devices controlling the' operation of
ing devices interposedbetween said advancing
said severing devices, said control devices corn
means and said receiving‘means; and electro-re
prising a camp; a clutch'- connecting said severingv
sponsive means controlling the operation of said
devices to a drive mechanism; and means operasevering devices, said electro-responsive control~
tively connecting said clutch to said'cam.
means being’timed responsive to the position of
*8.* An` apparatus for severing a continuous
and having operable connection with a portion
strip» having" spaced enlarged portions, embody
of said strip advancing means.
ing opposed rotatable feed roliers adapted to
2. An apparatus for severing articles' from a
continuouslyad'vance the strip, one of said rollers
continuousv strip, embodyingmeans for’ advanc
movable bodily away from the other roller when
ing the strip; means for receiving the advanced
engaged- with an enlarged portion of the strip;
portion of the strip; severing devices interposed
pivoted-arms upon which said movable roller is
between? said advancing means and said receiv
mounted; intermittently operable severing de
ing means; and means controlling the operation
vices spaced from said rollers in the line of travel
of >said severing devices, saidcontrol means com-y
of- the strip; a drive-shaft operatively connected
prising a-cam; a clutch connecting said severing>
to
and actuating said rollers; means operatively
devices toA a drive mechanism;V and means oper
connecting said drive-shaft> and severing de
atively connecting said clutch to said-cam.
vices; a clutch interposedV in said means; electro
3. An apparatus-for'> severing articles from- a
responsive devices for moving said clutch into'
continuous strip, embodying continuously mov
ing-means for advancing the strip; continuously Si) active and inactive positions whereby said sev
ering devices are intermittently actuated; and
moving means for receiving the advanced portion
an indexing nnger having operative connection
of the strip; intermittently operable severing
with-and actuated by said pivoted arms for con
devices- interposed between said advancing
trolling said electro-responsive devices.
means and said receiving' means; and means
9;y An apparatus for severing a continuous strip
controlling the operation of said severing devices,
having spaced enlarged portions, embodying op
said control'rnea'ns comprisingV a cam; a’ clutch
posedv feed? rollers adapted to continuously ad
connecting said severing devices to a drive mech
vance‘the'strip, one of said rollers movable 'bodily
anism; and means operatively connecting said
away from the otherv roller when engaged with
clutch to said cam.
an enlarged portion of' the strip; pivoted arms
4. An apparatus’ for severing’ articles from a
uponv
which said movable roller is mounted; a
continuous strip, embodying opposed feed rollers
rock-shaft' actuated by the movement of said
for advancing the’ strip, one of said rollers being
arms; intermittently operable severing devices
bodily movable towards and away from the other
spaced from saidiroilersiin the line of travel of
roller; means receiving the advanced portion
the strip; a drive-shaft operatively connected to
of the strip and adapted to tighten the adjacent
and; actuating said roilers; means operatively
portion thereof ;v severing devices interposedbe
connecting said'drive-shaft'and severing means; a
tween said rollers and said tightening means;
clutch-interposed in said means; electro-respon
and' devices controlling the operation of said sev
sive devices fo'r moving said clutch into active and
ering devices, said control devices having opera
inactive positions whereby said severing devices
ble connection with said bodily movable roller.
are intermittently'a'ctuated; and an indexing` ele
5. An apparatus for severing articles from a
ment secured to and" actuated by‘said' rock-shaft
continuous strip, embodying -continuously4 movl"
forco‘ntrolling saidelectro-responsive devices.
ing opposed feed rollers for advancing the strip,
l‘Oi Anv apparatus for! severing a continuous
one ofV said rollers being bodiiy movable towards
ing'r'n'eans for advancing the'strip; continuously
and away" from thel other roller; continuously 75 str-ip'y having’ spaced' enlarged portions, embodying
2,407,316
opposed rotatable feed rollers adapted to continu
ously advance the strip, one of said rollers mov
able bodily away from the other roller when en
10
embodying opposed rotatable feed rollers adapted
to continuously advance the strip, one of said
rollers movable bodily away from the other roller;
gaged with an enlarged portion of the strip;
`pivoted arms upon which said movable roller is
`pivoted arms upon which said movable roller is C21 mounted; intermittently movable severing devices
mounted; intermittently operable severing devices
spaced from said rollers in the line of travel of
spaced from said rollers in the line of travel of the
strip; a drive-shaft operatively connected to and
the strip; an apron movable in the direction of
travel of the strip; presser means coacting with
said apron to maintain the strip in frictional con
actuating said rollers; means operatively con
necting said drive-shaft and severing devices; a L10 tact therewith and also to tighten the strip be
clutch interposed in said means; electro-respon
tween said apron and said rollers during cutting
sive devices for moving said clutch into active
operation of said severing devices; a drive shaft
and inactive positions whereby said severing de
operatively connected to and actuating said roll
vices are intermittently actuated; an indexing
ers; means operatively connecting said drive
finger having operative connection with and actu 15 shaft and severing devices; a clutch interposed
ated by said pivoted arms for initially controlling
in said means; electro-responsive devices for mov
said electro-responsive devices; a cam rotated by
ing said clutch into active and inactive positions
said severing devices; and a rocker-arm engaged
whereby said severing devices are intermittently
with and actuated by said cam, said rocker-arm
operated; and an indexing member having opera
adapted to control said electro-responsive devices 20 tive connection with and actuated by said pivoted
subsequent to the effective operation of said in
arms for controlling said electro-responsive
dexing ñnger.
11. An apparatus for severing a continuous
devices.
13. An apparatus for severing a continuous strip
embodying opposed feed rollers adapted to con
continuously advance the strip, one of said rollers 25 tinuously advance the strip, one of said rollers
movable bodily away from the other roller; piv
movable bodily away from the other roller; piv
strip, embodying opposed -feed rollers adapted to
oted arms upon which said movable roller is
oted arms upon which said movable roller is
mounted; a rock-shaft actuated by the movement
mounted; an apron movable in the direction of
of said arms; intermittently movable severing
travel of the strip; means coacting with said
devices spaced from said rollers in the line of 30 apron to maintain the strip in frictiona] contact
travel of the strip; a drive-shaft operatively con
therewith and also to tighten the strip between
nected to and actuating said rollers; means opera
said apron and said rollers during the cutting
tively connecting said drive-shaft and severing
operation of the severing devices; a rock-shaft
devices; a clutch interposed in said means; elec
actuated by the movement of said arms; intermit
tro-responsive devices for moving said clutch into 35 tently operable severing devices spaced from said
active and inactive positions whereby said sever
rollers in the line of travel of the strip; a drive ing devices are intermittently actuated; an indeX- Y
shaft operatively connected to and actuating said
ing linger secured to and actuated by said rock
rollers; means operatively connecting said drive
shaft for initially controlling said electro-respon
shaft and severing devices; a clutch interposed in
sive devices; a cam actuated by said severing 40 said means; electro-responsive devices for moving
devices; and a rocker-arm engaged with and
said clutch into active and inactive positions
actuated by said cam, said rocker-arm adapted
whereby said severing devices are intermittently
to control said electro-responsive devices subse
actuated; and an indexing element secured to and
quent to the effective operation of said indexing
actuated by said rock-shaft for controlling said
finger.
s
n
12. An apparatus for severing a continuous strip
45 electro-responsive devices.
JOHN R. MCLAUGHIJN.
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