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Патент USA US2409943

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Oct. 22, 1946.
Filed Dec. 8, 1945
2 Sheets-Sheet ‘1
I Oct. 22, 194.6.
Filed Dec. 8, 1943
2 Sheets-Sheet 2
"5 2
Patented Oct. 22, 1946
William G. Knapp, Evanston, ILL, assignor to
Charles P. Peirce, Evanston, Ill.
Application December 8, 1943, Serial No. 513,341
'7 Claims,
(01. 179-11002)
The present invention relates to a winding‘ (1.?‘
in guiding
of» a character
wire in apparatus
adapted particularly
inwhich ‘sound
-,for is
adapted to be magnetically impressed on the wire
as it passes through a suitable magnet box dis
posed between the wire supply and take-uh spools
In the present day systems of recording sound
avoiding imparting of sharp turns or bends to the
wire inits travel.
Suitablcdrive mechanism is incorporated with
the winding device, and the drive mechanism is
of a character providing for feeding the wire at
the appropriate speed through the magnet‘ box
on Wire, Wire of very small. diameters are. utilized,
and in the known apparatus provided ‘for guiding
the wire from the supply spool to the take-up
SPOOL. and vice versa setting and breakage of. the
wire frequently occurs- In Winding apparatus
when the Wire is. passing from the supply 5.9091
to the take-up spool andthrough the recorder
for recordingv sound thereon. ‘The, drive mecha
with which I am familiar traversing mechanisms
are provided for guiding the wire upon the supply
and take-up spools to and fro thereof in the di
modate the plate. member and ‘the guide pulleys
therebetween to provide for guiding‘ the: wire in
relatively long‘ sweepsbetween the pair of spools
nism incorporates the“ feature of providing-L for: a
much higher speedier rewhldihs 91? the Wire titer
a recording has: been. made thereon i- e when the
rection of ‘the axes of rotation of thespools in
wire is to be transferred from the take-up spool
order to wind the wire» in successive layers‘ upon
to the. originalsupply spool, to be the position
the spools. One of the chief difficulties with the
for passing through a transcriberior transcribe
prior art devices is that they incorporate unsatis
ing the sound, recorded on the Wir-e‘
factory guide means for guiding the wire as it 20 > Now, in order to acquaintthose- skilled in‘ the art
leaves and approaches the spools, in that they are
with the manner of constructing. and. operating a
of a character which cause the wire to set‘ or
winding‘ device
accordance» with my inven
break. These guide elements usuallya-re in the
form of a hook shaped 100p. and, are ‘disadvanta-r
tion, I shall; describe in conjunction with the ac
companyins drawings a preferred embodiment of
geous in that in their guiding action they impart
the same.
sharp turns which tend to set the wire resulting
in easy fracturing of the same.
It is an object of my invention to provide a
winding mechanism for guiding wire from'a‘supe
ply spool to a take-up spool or vice versa in which
the wire is not subjectv to being set, eliminating
the cause of frequent breakage. of the wire.
In the drawings
Figure-l is a front elevatiohal view. ‘of theupper
part of‘ winding; device constructed in accord~
ance with my inventiom
Fieure- 2 is a rear elevatiqnel View or ‘the wind
ins device of
invention; .
Figure. 3: is amen View of- thedeviee shown in
In order to achieve the above noted object, I
propose to provide a guide mechanism adapted to
Figures-1 and 2;
be carried or disposed intermediate a wire sup-z .iiio51
ply spool and a take-up spool which comprises a
substantially 0nihe1ine4—.4 of Figure 13: and
pivotally mounted plate member. The plate
member has rotatably mounted thereon a pair of
Eigure ‘4 isca detail vertiqalsectionali ‘view taken
Figure his a detail- vertical sectional view on
an enlarged sceleahd taken substantially on the
line 5.1757917‘: Figure 3 looking the direction ih+
dicated by thearrows,
certain of the Parts
guide pulleys of a diameter so that when the wire
isguided thereover a permanent deformation or so being ShQWn in elevation‘. ‘
set will not be imparted to the wire.‘
Suitable traversing mechanism is ‘associated
with the plate member so that the wire as it is
passing from the supply spool to the take-up
spool, or vice versa, is caused to be set upon a
spool‘ in successive abutting turns to and fro ax
ially of the axis of rotation of the. spools and in
successive layers thereon.
Referring now‘to, Figures 1 ‘and '2 it will be
seen that: the.‘ winding device comprises a sup
porting ‘frame- “I ‘having a; vertically extending
panel portion 2;. a horizontally. extending base
portion 3. providing for support or the device in
they position shown in Figuresl andlz. The‘ ver
tical side edge portionsof‘ panel 2 are bent rear.
wardly toprovide. side ?anges:‘4.—.§4 and the.» up
per edge portion-of’ panel 2’ also bent rearward
In the preferred form of my invention the. mag.
netic recorder, which may constitute eithera re 50 ly. to provide a flange 6. The side edge portions
cording mechanism and a transcribing mecha
of the base paneli- are turned upwardly to form
.nism, or both,. is carried centrally of the ‘plate
member. The supply spool and the take-up spool
are mounted for'rotation in any suitable manner
and disposed a‘su?icient distance apart to accom
?anges 1-4- and suitable rein-for‘eihshar mem
bers: 8-4‘ are secured at one or the ends- thereof
some side senses-4+4 of in vertical Panel, 2
with their other'ends securedhdiacent the outer
ends of the side ?anges 7-1 of the base panel 3'
A pair of vertically extending panels 9 and I9
for supporting the drive mechanism rearwardly
guide pulley 35 is mounted for rotation about a
suitable bolt 36, and the pulley is spaced from
the forward surface of plate 39 by a spacing col
lar 31 and the enlarged annular ?ange portion
38 of a threaded sleeve member carried by the
plate member 39 and with which the bolt 36 has
of the upper end of panel 2 of the device herein
' disclosed, are secured in ?xed spaced apart par
allel relation by a plurality of studs | I, arranged
with their opposite ends suitably secured along
threaded engagement. A second idler guide pul
the several edges of the panels, 9 and |9._ The
assembled plate members 9 and I9, areadapted to
ley 49 is mounted for rotation at the. lower left
hand end of the plate member 39, as viewed in
the panel 2 and have threaded engagement with
merals in describing the mounting of the latter
pulley described identical parts for the pulley 49.
A magnet box 4| is suitably secured centrally of
the plate member 39. The structure of the mag
net box is conventional and is provided with a
cable .42 containing the electrical leads therefor.
be supported in juxtaposition of the rear surface 10 Figure l. The pulley 49 is mounted "for rota
tion in the plate member 39 in .the same manner
of the panel 2 of the supporting frame by means
as the guide pulley 35 and the like reference nu
of a plurality of bolts l3 which extend through
the panel 9 at the corners and upper edge there
of. Suitable spacing washers M are disposed '
about the bolts I3 between the rear surface of
the panel portion 2 of the frame and the front
surface of the panel 9 to space the latter away
from the rear surface of the vertically extending
panel 2 of the supporting frame I. In the ar
It will be understood that so far as the structure
20 of my present invention is concerned that the
rangement shown in the drawings, a wire sup
ply'spool I5 is mounted for rotation about a hori
zontal axis upon a shaft |6 which extends through
magnet box 4| may be of the character for re
cording sound upon wire, or of a characterf-or
transcribing sound which has been recorded on
the panel members 2, 9 and I9 at the upper end
of the device adjacent the left hand side thereof
wire,'or both. The supply spool |5, take-up
spool 23 and the guide pulleys 35 and 49, to
as viewed in Figures 1 and 3. .Suitable bearings
I‘! ‘are associated with the panels 9 and I9 and
the shaft |6 to provide a bearing mounting for
the shaft. The shaft l6 at the end thereof for
gether with the plate member 39 are preferably
arranged and constructed in the proportions
shown in the several ?gures so that the wire in
dicated at W from the supply spool is adapted'to
wardly of the front face of the vertical panel 2 is
so be' threaded over the pulley 35, thence through
provided with a pivotally mounted spring pressed
?nger |8 which together with a stop collar |9,
?xed to the adjacent end of the shaft, provide for
mounting of the spool |5 for rotation with the
shaft I6. A driving pulley 2| is ?xed to the op
magnet box 4|, thence over the pulley 49 to the
take-up spool 23. In this manner arelatively
long sweep of wire is provided to extend between
the supply spool I5 and the guide pulley 35, and
between the guide pulley 49 and the take-up spool
posite end of the shaft l6.
23. In a machine constructed in accordance with
7 A wire take-up spool 23 is mounted for rotation
about a horizontal axis upon a shaft 24 extend
this disclosure, the supply and take-up spools
ing horizontally through the panels 2, 9 and I9,
the guide pulleys were approximately 1% inches
were approximately 3 inches in diameter and
atthe upper end of the device adjacent the right 40 in diameter. The pivotal axis of the plate mem
ber 39 is arranged so that it lies in a substantial
hand‘side thereof as viewed in ‘Figures 1 and 3.
ly horizontal plane extending through the axes
The shaft 24 is assembled for rotation in bearings
of rotation of the supply and take-up spools,
V|'| in the same manner as that described in con
which are disposedlto either side of the pivotal
junction with the shaft l6 for the supply spool
l 5 and the parts bearing like reference numerals 45 axis‘ of the plate member 39. The'diameter of
to the parts previously described in connection
with the take-up pulley l5 are identical. The
shaft 24 has keyed thereto a suitable worm 25 in
termediate the panels 9 and1|9 for rotation with
the shaft. A driving pulley ‘21 is keyed to the 50
the'take-up‘ and supply“ spools and guide pulleys
35 and 49 are sufficient to enable the Wire to be
trained thereover without distorting or setting
the wire.
An electric motor 43 is suitably. secured to the
base panel'3 and a'pulley 44‘keyed to the end of
rear end of the shaftl,Tand','_as' shown, is of greater
the armature shaft. A belt 45 extends from the
diameter than the pulley'2l keyed'to shaft |6.
pulley 44 to a‘pulley 46 disposed centrally‘of the
A plate member 39 is disposed intermediate the
pane1‘|9 ‘adjacent the upper end thereof, and
spools l5 and 23 in a position to lie forwardly
of the front surface of the vertical panel 2 of the 55 it is mounted for rotationv about a sha'ft‘41 car;
ried in a block member 48'. A’shaft 49 ‘extends
supportingframe. A pair of ‘substantially L
transversely of vpanels 9 and I9 and‘ extends
shaped brackets 3 I, as viewed in plan, are secured
through‘the upper end of the block member 48.
to the vertical panel 2 with a leg portion extend
Opposite ends of the shaft 49 are suitably secured
ing in a direction awayfrom the front face of
panel 2. The bearing plate 39 is provided adja 60 in the panels 9 and I9 so that upon shifting of the
block 48 about shaft 49' as 'an axis the‘ friction
cent its side edges intermediate the upper and
hub portion 59 of the pulley '46 may be ‘brought
lower edges vthereof with hearing block members
into engagement with either of a pair of pulleys
33. A pivot pin 34 extends through and is secured
5| and 52. The. pulleys 5| and 52 are suitably
in the outwardly extending leg of. each of the
bracket members 3| into the bearing blocks 33 to 65 mounted for rotation about shafts secured in the
panel |9. The belt 55‘ drivingly connects the
mount theplate member 39 for pivotal move
pulley. 5| with the pulley 2| carriedby the'shaft
ment about a substantially horizontally extend.
|6. A belt 56 provides-a driving. connection be—
ing axis. It will 'be observed ‘from theseveral ?g
tween the pulley 52 and the. pulley wheel 2‘! se
ures that the axis of rotation of the take-up spool
23,the'supplying spool l5 and the axis de?ned 70 cured‘to shaft 24. The panel I9 is ‘provided with
by the pivotal mounting of the plate member 39
‘all lie substantially in a common horizontal plane.
An idler guide pulley 35is mounted for rotation
in the plate member 39 adjacent the upper right
a slot 51 accommodating adjustment of the block
member 49 so that the friction hub'portion 59 of
the pulley wheel 46 may be brought into. engage-'
ment with the outer peripheries'of either of the
'hand corner thereof as viewed in Figure 1.- The 75 pulley wheels. 5| and 52, ‘selectively, to drive
either ‘the supply spool or the take-up spool from
the elect-ric'motor 43.
Reference may now be had 'toli'Figures 3, 4 and
5 fora description! of ‘the drive‘ mechanism for
‘causingpivotal movement of the‘plate'member13iJ
about its axis providin-ga traversing mechanism
for guiding-the wire "W from one spoolto "an
other. A WOl‘ll‘l‘ gear1»58 is suitably keyed-on a
vertically extending shaft '59, the opposite ends
verse ‘(to :its direction of rotation when-‘the ‘wire
isvbeing‘ taken ‘off r~thereof<for purposes of record
ing,=the wire‘ 1W Jiscaused to move iinial'direction
from-the ztake-iipispool to the supplyv spool revers
ing-the direction 101;‘ rotation .of :the spools»! 5 .and
23,:and idle-pulleys -35 aand'ii40 in which‘ position
the-:wire "lS‘lIIGW ready to beltranscribed; or re
moved :from the-apparatus, or storedrorlsent' else.
where for transcription purposes. ?whentheiparts
of ‘which are mounted tor rotation in'lugs <60 ofa 10 arerin'the positionlast referred to, the wireupon
being :drawn .off .of Lthe take-:up spool 1:23 .causes
rear face of the panel 2 in position to provideen
rotation of “shaft ill-which in .:turn. actuates the
gagementrof the worm gear 58 (with the worm 25
traversing :mechanism for guiding. the-‘wire iupon
keyed ‘to theshaft '24. ‘Ilhe-shaft ESadjaCentitS
theisupply spool.
Vertically extending bracket =61 secured touthe
lowereendi-hasabevel gear-62 keyedithereto which
bevel gear is adapted to have engagement with a
bevel gear-‘63 Y?xed at one ‘end ‘to a horizontally
‘extending shafte?ll ‘which is mounted for rotation
:In adevicetactually constructed inaccordance
with ithe embodiment of :the .inventionherei-n dis
Closed,,:the several ‘:bevel gears, together :with Mic
double threaded screw. or shaft 1.69 were designed
to provide .a‘gear :reduction .of 2.00 to ,1 to provide
?xedito the “rear face of panel 9. At its other end 20 one :movement “of :the 313131178 :member .30 to‘20l0
the-shaft (64 ‘has suitably‘secured theretoiailcevel
revolutions of shaft ‘214. Thetake-upspool Z?ibe
in- a‘ suitably Iho‘rizontally extending bracket‘ 16.5
geariti'lrand this bevel-gear has-engagement with
ing. approximately 11” wide thus provides. for 1200
a‘I-bév'el gear 63 carried by ‘a shaft member 68.
turns ‘of -:Wire onthis spool ‘when wire of about
YIEhe shaft 1-69 is mountedifor rotation about .a
.004 inch in diameter ‘is .used. The bevel pulley
horizontal‘ axisvand :its opposite ends are suitably 25 wheels are designed so‘rthat' upon reverse ‘move
disposed. in ‘bearings :prov-ided. therefor and car
mentiof the wire<W,ii..e., from the take-up spool
riedEbyitheJpaneIsYB-and 416. The shaftf??is pro
Ivided withudouble screw/fill upon whicha nut .‘H
is adapted ‘to :be ‘reciprocated ‘ axially of the shaft
:69 iu‘pon'rotationiof the latter. The nutmember
‘Til: is .provided'with aniupwardly extending ‘yoke
portion'lZhaving guiding engagement with a stud
ll3»secured .at its opposite ends in the panels ‘9
and :10. “T'he'yokeportion =1 2 of.>the inutmember
zlliandzrthe stud 13 provide for guiding movement i‘ ,
back tofthe supply.:spool,,the diameters ,of thesev
eral pulleys and the like were designed ‘_ to provide
a ratio ‘of 12 ‘to 7,1 ‘in order to ‘provide for rapid
rewindine of the wireupon thesupplyspool. iifhis
‘mode of operation .isadvantageous ,inrthat during
the. recording ‘operation a predetermined and
relatively slow speed of ‘the lwire-through'the mag
lnetbox is reguiredto properly recordelthelsougg
and in the rewinding of the recorded wired-t is
of athefnut =memberaxiallyof the shaft 59 and pre
desiPabletOZbeabIe iso-do sozrapidlyin avminimum
wentsarotationofithe:nutamember. ‘A cap member
amount of time.
:14. is .pivotally mounted about a horizontal .axislon
It, is tobe observedv that by virtue of the ‘con
the lower end of the :nutmember 11:1 to which is
struction ,above-setforth that the-.take-up spool
secured a shaft ‘ ‘L5. The other end of the shaft 40 and supplyspoolas well as. the idler. guidepulleys
15 has pivotal connection to a bearing block 16
“35 and 40 carried by the pivotally mounted plate
?xed adjacent the lower edge of the plate mem
30, are all of relatively large diameter so that
ber 30 intermediate its side edges.
as the wire W is passed thereover, it will not be
The operation of the device is as follows: As
caused to take a permanent set. Further that
suming that the block member 48 is shifted to the
the relatively long sweeps of wire extending from
right as viewed in Figure 3, the motor 43 will
both spools to .the idler pulleys of the plate mem
cause the pulley 52 to be driven which by virtue
ber, and the absence of any mechanism for caus
of the connection between it and the pulley 21
ing the wire to pass over a sharp corner effectively
by the belt 56 causes rotation of the take-up spool
prevents setting of the wire so that there is little
23. The worm 25 keyed to the shaft 24 through 50 likelihood of breakage or distortion of the wire.
its meshing engagement with the worm gear
While I have shown what I consider to be the
wheel 58 rotates shaft 59 causing the bevel gear
preferred embodiment of my invention, it will
62 to rotate the shaft 64 through the bevel gear
be understood that various modi?cations and re
carried at its end having meshing engagement
arrangements may be made therein without de
with the bevel gear ‘62 of the vertical'shaft 59. 65 parting from the spirit and scope of the in
Rotation of the shaft 64 in turn through mesh
ing engagement of the bevel gear 6'! with the bevel
I claim:
gear 68 carried by the shaft 69 causes reciprocat
1. In a device of the class described, the com
ing movement of the nut member "H on the shaft
bination of a pair of spools spaced apart and
59. This motion is transmitted by the shaft 15 60 mounted for rotation about parallel axes, a mag
by virtue of its connection with the cap member
net box between said pair of spools and ?xed
14 and the bearing block 15 secured to the plate
against movement in a plane transverse of the
member 30 to cause the latter to pivot about its
axes of said spools, oscillating guide means for
horizontal axis guiding the wire upon the take-up
guiding wire from one spool to the other and
spool 23 after it has passed through the magnet 65 through said magnet box, said guide means in
box 4] to wind the wire upon the take-up spool
cluding means operative to maintain said wire
' 23. After the recording has been made and it is
in a ?xed de?nite path for passage through said
desired to rewind the wire upon the supply spool
magnet box regardless of the amount of wire on
l5, the block member 48 is shifted to the left as
either of said spools, and means for oscillating
viewed in Figure 3 to engage the friction drive hub 70 said guide means.
portion 5!! of the pulley 46 with the pulley wheel
2. In a device having a magnet box through
51 causing the pulley wheel 2| to be rotated by
which a recording wire is adapted to be passed
virtue of the belt 55 connecting the pulley 5i and
from one spool to another spool, and in which
the pulley 2|. Upon drive being imparted in the
the spools are mounted for rotation about spaced
reverse direction to the supply spool l5 1. e., re 75 parallel axes, the combination of a guide means
the pivotal axis of said plate member and’ to either
comprising a guide. plate member mounted for
side thereof, means for selectively driving either
pivotal movement’ about an axis extending'at
right angles to the axes of said spools, an idler
of said shafts, and means interconnecting said
plate on axes transverse to the pivotal axis of
plate member and said second shaft adapted upon
rotation of the latter to oscillate said plate mem
the latter, said magnet box :being ?xed to said
ber about its pivotal axis.
guide pulleys rotatably mounted in said guide
,5. The combination of claim 4 in which the
guide plate in juxtapositionof its pivotal axis,
means for selectively driving the shafts ‘ com
and means for oscillating said guide plate about
its pivotal axis.
3. In a device of the class" described having a
wire supply spool and a take-up spool mounted
prises a ?rst pulley keyed to the ?rst shaft and a
second pulley keyed to the second shaft, said ?rst
pulley being of smaller diameter than said second
for rotation about ?xed'spaced parallel axes, the
6. In a device of the class described,the com
combination of a guide means comprising a guide
bination of a pair of, spaced apart spools mounted
plate member mounted for pivotal movement
about an axis extending substantially‘ at right 15 for rotation about parallel axes, a magnet box
between said pair of spools ?xed‘ against move*
angles to the axes of said- spools, and a pair of
ment in a plane extending transversely of the
idler pulleys rotatably mounted in said guide
axes of said spools, oscillating guide means for
plate about’ axes extending transversely of the
guiding. wire from one spool to the other spool
pivotal axis of the latter,1said pivotal axis of said
guide'plate and the axes of rotation of said spools 20 axially‘ to and fro on said spools through said
magnet box, said guide means including means
lying in a common plane with the axis'of said
between each of said spools and said magnet box
idler pulleys lying to either side of said‘pivotal axis
adapted to maintain said wire in a ?xed de?nite
of said guide plate; and means for oscillating said
path for passage throughsaid magnetbox, and
guide plate about its pivotal axis.
4. In a device of the class described the com
bination of a supporting frame, a ?rst shaft ro
25 means for oscillating said guide means.
7. In a device of the class described, the com
bination of a pair of spaced apart spools mounted
for rotation about parallel axes, a magnet box
between said pair of spools ?xed against move
spaced from and extending substantially paral 30 ment in a plane extending transversely of the
axes'of‘ said spools, oscillating guide means for
lel to said ?rst shaft, a take-up spool carried by
guiding wire from one spool to the other spool
said second shaft for rotation therewith,v a guide
tatably mounted in said frame, a supply spool
carried by said shaft for rotation therewith, a
second shaft rotatably mounted in said frame and
axially to and‘ fro on said spools and through
means ior'guiding wire or the like from one spool
said magnet box, said guide means including
means for guiding wire to and from the spools
through said ‘magnet box in a direction opposite
the normal direction of movement oflthe wire
to the ‘other spool comprising, a plate member
pivotally mounted about an axis extending at
right angles to the axes of rotation of said shafts,
a pair of idler guide pulleys about which the wire
from one spool to the other spool, and means for
oscillating said guide means.
is adapted to be trained in passing from one spool
to the other spool, said, idler guide pulleys being
mounted vfor 'rotation about axes transverse to
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