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Патент USA US2406397

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Filed'Nov. 19, 1942
4 y 2 sheets-sheet 1
Aus. 27, .1946.
' 2,406,397
Filed Nov. 19, 1942
' 2 SheetS~Sheet 2
Patented Aug. 2,7, 1946
'1; `:.1
‘David B.,Parkinson,l Maplewood, N. J., 'assignor to 'v
'Bell Telephone” Laboratories, Incorporated,
e New York, N._Y., -a corporation of New York
i, Application November 19, 1942„Serial No. 466,132 y
le claires.
, ‘This inventionrelates to winding machines and
e As shown in Fig. 1 the winding machine 8 may
more particularly to machines for winding strand
follow' the generalfo'rm of a lathe comprising( _a
materia] onto supports.
, 1 ' l
The object -of `the invention -is„to provide a
bed 9, ahea I0, an'adjustable tail-stoel; I I, a
lead screw I2- `
The invention resides in a winding head operable to wind the wire onto the dat support and
head I0`is equipped with’a clamping device Ill `
Operated by means Qf'a handle- lI5 to holdv one
carrying a supply of the wire.
10K` end of a strip` I6 of insulating material and which
In the Vdrawings:A " '
may be' of the forni shown in Fig. 7.
'I‘he tail
Fig. l is a `view in perspective'of the winding
machine with a nat support in position therein
SÈOCk l l iS equipped Witha _Clamping device ÍI'I
operatedby -means of a >handle I 8 to hold the
ready to have a wire wound thereon; .
other end of the strip I6, the tail-stock II being
y i
Fig. 2 is an enlarged View of the winding head 15 adjustable along the" bed 9 to accommodate dif
supported on a carriage and showing a portion of
ferent lengths of insulating strips and so that the
the support on which the wire is being wound;
strip I6 may 'be heid rather tautly supported by
Fig. 3 is a View corresponding towFig. 2 but
the head an tail-stock portions of the machine.
without the support and showing certain of the `
The Wlndl'ng hëad I9 ShOWn in Flgä l, 2, 3 and
parts in cross section; Fig.v 4 is a plan View of the 20 4 comprises' a frame 20 extending upwardly about
winding head taken from the left of Fig 2
the posinon of the strip I6 and supported on a
Fig. 5 is an edge view of fragmentary portions
base 2| by means' of screws 22. l The base 2|v is
of the winding head taken on the line 5,-5 in
supported on a carriage 23 which rests on spaced
Fig. 4;
_1. tracks 24 and 25 on` the Ybed 9. Thecarriage23
trolling the rotation of a spool of wire, and
the tracks 24 and 25 may comprise a handwheel
Fig 7 shows one of various forms of support
'I mounted on a rotatable shaft 28 Wh1ch 1s gear
the machine will accurately windvwith wire and >30 connected to the rack I3, and a releasalolel clutch,
with a Wire winding on the support v
not shown but operated by means of a handle 29
prising` a flat strip of insulating material and a
Winding of wire on the strip, and more particu-
~I2. When'lthe handle 29'is operated to -discon
, Ileßb the Carriage from'the leadscrewfIZ and the
larly in making so-called tapered form resistance 35 Wheel 27 _iS turned. theîoarrìag’e 23 Will be moved
elements comprising a tapered nat strip ef msu-
along the tracks 24 and -25 under 'control of the
Ádistance between the point of application of the 40 lead -screw l2 will cause movement of the carriage
The wire kextending from the source
housed in the `head Il).V
of supply te the ‘strip-must :be maintained taut l
r " '
' `
A ring gear 30 is rotatably supportedin the
while the wire is being wound _onto the strip. 45 windingv head I9 by means of a pluralità7 'fof
the cycle of winding the wire onto the strip.
during the winding operation.
`50 a bolt~33 mounted in the frame 20V.'
the con
‘ es formed to nt into the `groove l34.L vThe ring'gear
The means above mentioned comprises a system
s 3'6 is rotated by
53, 54, 55 and 56 over which the
means of a pinion 36 which, as
1ts passage from the spool 43 to n '
shown in Fig. 4, is rotated by and slidably mount
ed on a rotatable shaftV 31 extending invspaced
the strip I6. The pulleys 52, 53 and 56 are dis
posed at diiîerent points on the ring gear 36 so
that the wire 39 in its `passage from the spool'43
to the strip I6 will run in a system of loops and
l relation with and along the back of the bed 9,
of gears, not
the shaft 31 being driven by means
Y VThe shaft 31
but located in thefhead I0.
is hexagon in cross section and the pinion'36 is ’
the wire39 will be guided in its passage from the
along the shaft 31 when the carriagef23 is moved
spool 43 to the required point'of winding on the
strip I6. Brackets of suitable form mounted on
bearing, not shown, but mounted l
ze. when the
on an extension 38 of the frame
- ous points
apertured to vaccomn'iodate.the shaft 31 but slides
10 the ring gear 30 and supporting low friction type
along the tracks 24Vand 25, thepinion 36 being
bearings for the pulleys are> located at the vari
' journaled on a
required for the pulleys and the loca
drives the ring gear 36. Rotation Qi. thering> gear
tions of the pulleys are such that the pulleys
will be clear. of the spool 43:. The pulley 52 is sup-`
43i! in a counterclockwise direction vwill i6 which;
wire be wrapped around the >_strip
ported on> a bearing 51 the ring gear 36,7the`
' bracket 578 mounted
spaced relation with
inion 36 is rotated and ` Y
shaft 31 is rotated the f Y
cause a
which is supported on av
is ‘so supported Yby means oi the clampingY
de-v « - pulley 52 being in
will rotate
the inner ñat surface _of the ring gear 36 and in
vices I4 and l1 that the ring »gear 36
ysuchY position that theowire 39' may be readily
aroundthe stationarily
. The
may be a comparatively thin 'strip
run from the spool
' '
>'I‘he'Strip I6
axial line `as the
phenol fiber or semi
‘ ‘pulley 54 is'loeated'inthe same
,of_ sheet material
pulley 52 and issupported on a bearing 59 which
To prevent undue "bending or dis- .
hard rubber.
is separate from the bearing .51. Pulley 53 is
of the strip lñjfrom'its required form
mounted on a bearing ‘60 supported on> a bracket
yand position
6l mounted von the ring> gear 36 and rotates in a
on ‘the strip,plane 90 degrees diiîerent from the plane of rota
are provided in
wand 4l are supported on Vthe frame 26 and
tion of the ring gearV 30 and the planes ofkrota'
extend through the aperture. in the ring `gear 36
and almost to the point of application of the wire
tion or theother pulleys in the system.
upward movement and; >distortion during theV
winding operation.. 'Plate 4 lis spaced a sufficient
66 mounted Vatoneendinl the ring gear '36 and
extending normally from the flat plane of the ring
gear 36. The free end of the arm 63 will'be'moved
The pulley 55 is mounted- on a suitable bearing
62 supported on the'free end> of a movable arm
39 to the strip ,|6'._'r Plate'llí). is arranged'- to reX
'tend transversely Vacross 'the' upper‘surface'. of " 63 which is pivotally supporte‘dat oney end 64 on
a rotatable hollow shaft 65 telescoped over a pin
'theïstrip I6 to'ho‘ld 'the'strip'16against undue
distance below Yplate‘üûï as shown 'at 42 to accom'- .
jmodate’the thickness or the strip I6 and prevents
undue downwardmovement and distortion of the
from the positionl shown
Fig. 4 and, so that Ythe
pulley 551s brought. .nearer‘tothe strip 16 when
strip I6 during'tile Winding operations.
A spool'43 keyed at 44‘and latch d 'at 45. to a
Athe tension on the rwire 39jincreases.V A restoring
spring 61- is provided' to urge the’arm` 63 toward
‘I6 to carry a supplyV of the wire 39..V The `spool
39 is reduced.' The' spring 611s attached at one
Spool Support 46'is'provide'd in the winding" head 4.9 normal position when theitension on" the wire
'supportV 4:6 is annular' in forma d is. supported
011 a plurality of smallwlie'els 41. whioh'are lspaoe
'mounted' Online noA eearfäe to provide three
end to an ear 68 which is secured to the arm 63
and the other end of the spring 61 is secured .to
Vsupported on a bearing, Support 48' mounted _on
the“ ring gear 30,."'1Íhe "spool'fsupport -46'is. of
creased or decreased to meet a required tension
a screw 69 adiustably mounted inr a stud 16
points of support'for‘the spool support 46, each .4,5 mounted on the ring gear. 36.; 'By turningthe
SCreW 69 the tension of the. spring 61”'may be in
Wheel 41 beine mounted'on asuitable bearing
for the wire 39 ._ The, coursefof the wire 39 through
system of pulleysis indicated in Figs. 2 and 4
'Smaller' Outside.’ diameter' thanïthe 'ring-- gear >3i! 59 the
in which the wire „coming from the spool 43
and comprises. an annular body'portion 49 and
passes. under and then over the, pulley 52,v around
anannuiar 'fianeefpornoh eu which is or smaller
diameter than the body portion 49 and arranged
to provide av hub for the. 'spgoolllSL ` The.' body por.
pulley 5?»,> pulley 5.4.; pulley 55.', pulley 56 and from
the; strip' i6.
v _pulley 56 to
ti'on. 49 is recessed> to aocommodate 'the three 5.5 As shown Fie.. '4; when` the winding machine
8j is operating to'wind wire 39 'onto thev strip I6
Wheels 41 and has an 'annular groove. 5l -formed
the strip. I6. is. held stationaryfin the machine and
in the inner surface of- the Wall to receive the
the. ring gear 36 rotates in the. direction indicated
peripheral edge kportions of the wheels 41.y It '
bythe arrow, the ring gear 30, being rotated by
will be Seen;therefore.,> that. they ring" gear 30 may
' i
roll around on the wheels 3l supported on their 60 means of pinion 36 whioh is driven' by meansY
the shaft 3.1. The winding head lll ismoved along
the. bed of the machine by >means of theV lead
screw l2 so that the. winding head I9 Ytravels
lengthwise of the stri-p i6. and helically winds the
means of supportV on the ring'gear 36;,also. that 65 wire, 3S. onto the strip i6# It will be. seen that due
to the form of the’ strip I6 and theposition of the
the ring gear 30 and, the Spool SlilDlJOfiîty 46 ¿airy
pulley 56 the distance between the pulley 56 andV
' ¿1 ille. the spoolßß may eaehrotíate'at a speed difier-4
the Vpoint of applicatio'nfotl the wire 3_3- tothe strip
ent’froni’the other; ' ` i
means for carrying
I6 changes and‘that these changes wouldy have
’ "The ' ring gear 30] carries
43 A around the `g strip
the effect of changing, the tension of the-,wire
running through the pulley.systemeiçcept. for the
, »tlíewire
16, sokthat's the`wire§39 will be Wrapped y around
«63. linizier- action of thefpull. on .
the strip I6.. The ring gear 30. also. oarries means
fact thatv the afm the
to the required. point of
~¿eounteracting- pull or the ’
. the; whose and
i ioräeuidiug the wire.. 39
55 relative toI the pill.
application on Ythe ystrip 'lñfarid means formam
spring 6.1 move the
Y '
' se ma. taut, @audition while the
instant pointer;V ap
r is ‘passing irom'tlre spool '43 "to thel st'?ipflß. '7.5.
means of support on.Y tiley frame 2.6 While the
spool 43 and the spool support 46 are held sta
tionary,A and that, the spool support 46 Amay roll
around on the wheels 41 supported on 'their
pli’cat'iòn of the' wire' 39 is on'the right ' òf the
the spool '43. to the strip I6. " The tènsi'o'n'onthe
wire 39 should `be such. that the wire will slightly
press into the edge portions of the strip I6, the
strip I6 and the pulleyv 56 is in the position shown
in'Fig. 4,«the free end ofthe arm 63 and the pulley
"55 are drawn toward the strip I6 against the ac
tension'being set byy adjustment of the spring> 61
tion of the spring 61: It Will'be seen that as the
vring gear 30 continues. to rotate and the distance
through operation of the screw69.v As thewire
y39 islpaid out and the distance betweenA the pulley
.56 andl the point of winding the wire onto the
strip I6 changes, the arm 63 and the lpulley 55
between the pulley 56 and the right edge'ofthe
strip I6 increases, the free end ofthe arm 63 and
the pulley 55 will be drawn still nearer tothe
strip I6.' Upon further ïr-otation of the ring gear ‘f
30 so that the wire 39-is-brought into engagement
withv the left edge of-the strip I6 and while the
wire 39 is passing over vthe ‘left edge' of the -strip
I6, the free end of thearìn- 63 and the pulley' 55
are moved in accordancewith the vpull* ony the
wire and the vpull‘of the spring 61 to maintain
the'1wire „taut without breaking :the >wire . 39.
Movement ofthe armv 63: causes movement of the
cam 16which isa'djusted‘so` that'v the low spot '82
will beï‘moved‘ entirelyA past' >the I end '83 .of` the
brakeiarm -14 when the pulley 56 comes relatively
move outwardly under the influence of spring 61
to takeup the slack that would .otherwise bev
near'andf passes by an edge of the strip I6. - The
brake arm‘14 is therefore operated byv means of
ley system. A bracket 1l having an elongated
the higher portion of the cam 1.6 »and the shoe
curved aperture 12formed therein and a pin, not
portion 18 engages the-brake drum 11 to slow
shown, extending from the arm 63 into the aper 20 down'the rotation of the spool support 46 vand
ture 12 are provided to limit the movement of the
the spool 43. This braking action and vmove
arm 63, the bracket 1I being supported on the
ment ofthe arm 63` and pulley 55 prevent overe
frame 20 and extending transversely of the arm
'speeding of the spoo1f43 andthev development' of
'created'in' the run of the wire 39 through the pul
Spool 43 rotates in the same direction as the
slack inthe wire 39.
ring gear 39 and rides on >the wheels 41, the spool
being pulled around by means4 o_fïthe'wire 39 'as
the Wire 39 is being wound ontoth'e strïip'lä. To
prevent overspeed of the spooll 43 _such as' might
result in reducing the tension on the Wire 39, a`
brake 13 is provided. The brake 13 as shown in
Fig. 6 comprises a brake arm 1.4 Apivotally sup
ported on a pin 15 mounted on the ring gear 36,
-a cam'16 attached to one end of the'rotat'able .
shaft 65 and a brake drurnr11 formed on the pe'
riphery 0f the body portion 49 of the spool sup
port 46. The brake shoe portion 18 of the brake
.\ Y. s >It will-,be seen that vthe yvarious,»operationsof
the Larm63 >and »pulley 55':and.the„brake 13 will
' result in maintainingthe wire substantially uni
»formly .taut during the winding operation and
that strips of rectangular form orhaving a curved
edge ‘such as shown in Fig. 'lxmayb'e wound vwith
wire by means of the winding machine 8 without
»having the tension` Aon the wire- 39 .reduced .to
such angextent a'sxto «be insuiîicient 'to vpartly
embed the Wire 39 in edge portions‘of theìstrip I6.
What is.claimed is:
1. `A winding ¿machine foriwinding. strand ma'
terial onto a support comprising means for hold
ing said support in taut condition, a winding
the brake drum 11 by means of the cam 16 which
head, `a rotatable ring,l a spool and a rotatable
is rotated by means of the arm 63 under’action 40 holder for said spool operable to rotate around
of its restoring spring 61, the cam 16 being at
the position of said support, means to rotate said
tached to the rotatable shaft 65, which is me
ring, means to cause relative movement of said
chanically connected to the arm 63, by means of
Winding head and said means for holding said
a finger 19 one end of which is journaled on the
support, a pivoted arm carried by means of said
pin 66 and secured to the shaft 65. The other end 45 rotatable ring and movabletoward and away from
of the linger 19 is adjustably set in teeth 80 pro
‘ the position of said support, means to move said
vided on a plate 8| which is secured to arm 63.
arm away from the position of said support, a
system of pulleys carried by said ring and a pulley
'I'he cam 16 is cut away to provide a low portion
82 against which the rear end 83 of the brake
in said system carried by said arm, said spool
arm 14 is pressed by means of a spring 84 mounted 50 carrying a supply of said strand material and
said system of pulleys being arranged to guide
on a pin in 85 on the ring gear 30, a stop pin 86
said strand material from said spool to said sup
also mounted on the ring gear 39 being provided
port, a brake operable to control rotational move
to hold the spring 84 pressed against the brake
ment of said spool and holder for said spool and~
arm 14. When the cam 16 is rotated to bring the
low portion 82 past the end 83 of the brake arm 55 operated by means of said arm, said spool and
holder for said spool being rotatable under the
14, the shoe 18 frictionally engages the brake
pull of said strand material as said strand ma
drum 11 to slow down the rotation of the spool
arm 14 is moved into frîctional engagement with ~
terial is being wound onto said support, and said
support 46 so that the spool support 46 and the `
arm and said brake being operable in conjunc
spool 43 will rotate at a slower speed than the
ring gear 39. The cam 16 may be manually set 60 tion to maintain said strand material taut while
said strand material is passing from said.spool
to various positions so that slight or more consid
onto said support.
erable rotation of the cam 16 will be required to
2. A winding machine for winding strand ma
bring the low spot 82 past the end 83 of the brake
terial onto a nat support comprising means for
arm 14. The setting of the cam 16 to the re
quired position may be accomplished by manually 65 holding said support in taut condition, a winding
head, a ring rotatably supported in said winding
moving the finger 19 in the teeth 80 since the
head, a spool, a spool support keyed to said spool,
finger 19 is journaled on the pin 66 and is secured
at its pivoted end to the shaft 65.
means supported on said ring and rotatably sup
Assuming that the strip I6 is made of' fiber
porting said spool support, said ring, spool and
or semihard rubber and is of the form shown in 70 spool support being rotatable around the posi
Fig. 7, that the strip I6 `is clamped in the Winding Y
tion of said flat support, a supply of said strand
machine 8 as shown in Fig. 1 and that the ma
material on said spool, a pivotally supported arm
chine is being operated to wind the wire 39 onto
carried on said ring,- the free end of said arm
the strip I6, the arm 63 will roperate to maintain
being movable toward and away from the posi
the wire 3_9 taut While the wire is passingl from 75 tion of said ñat support, spring means'operating
on said ring, Y
a spool carrying a supply of said wire, a spool
' positionl of said fiat support, a system of pulleys
supportV keyed to saidspool and rotatably sup:
toguide said‘strand material fromvsaid yspool'to
ported on said second set of wheels, said spool
and spool support being rotatable around the
` ' said ñat support, a part of said system of pulleys
being carried on the free end of said arm,V the
Y position »of said support, two semicircular plates
other parts of said system being carried' on said
ring, a brake device .operable against said spool
supported on said frameand extendinginto vclose
support to'retard rotational movementsrof said
spool and spool support, said brake >devioebeing v
' mechanicallyconnected to and :operable by means
wheels supported in spaced relation
to'urge the freeìend of said arm away -¿from .the
of` said arm, means to rotate said ring at a con
stant speed, means to cause relativeY movement
' of rsaid winding head and said ñatjsupport; said
winding headv being operable Ato ywindsaidzstrand
material onto said ñatsupport, said'spool‘and
relation with opposite flat surfaces of said sup
port and substantially filling the space defined by
said spool, means-to'rotate said ring, means to
cause relative movement of said frameand sup
port and lengthwise of said support, an arm piv
otally. supported at one end and carried by said`
ring, a system of pulleys forl feeding said wire
from said spool onto said support, one of said
pulleys being carried on the free end of said arm
spool Asupport being rotated by the pullV of said
and the others on said ring, spring means me- I
strand material running through said system of
chanically connected to said ring and said army
pulleys, said arm being operated against the ac'
, and operating to constantly urge the free/end of ‘
-tion Vofxits spring meansA toward the position of
said flat supportiunder the pullof said strand 20 said arm outwardly of the position of said sup
port and against the Vpull of said Wire, a brake Y
material and operating to maintain said .strand
drum formed on the periphery of said spool sup
material taut as it Yruns through said system of
port, a brake device operableto frictionally en
pulleys onto said support and said brake device
V`operating toY prevent overspeedingof saidV .spool
and spool support relative to the rotational speed `
of said .ringwhile said strandlmaterialis passing
over> an edge ofsaidtflat support.'
Y „
i .Y Y ,
gage said brake drum, a, cam mechanically and
adjustably connected to the pivoted end of said
arm `and arranged for operation ofl said brake
device, said armoperating to maintain said wire Y
in a taut condition as said Wire runs from the
3. A wire Winding machine for winding' wire
beginning ofVV said _ pulley system and from said
onto a fiat strip-type support having relatively
wide and narrow portions „comprising means for 30 system' to said support, and'said brake'device
operating to slow down the rotation of said spool
holding .said vsupport in taut condition, a frame
support and cooperate with said arm in main
extending in spaced ’relation about the position
taining said wire taut when said wire ispassing n
of -said support, a set of wheels supported >in
across an edge portion of said support or across
spaced relation on saidfraine, a ring. rotatably
a comparatively narrow portion of said support.
supported on Vsaid wheels and operating around
the position f of said support, .a second set of
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