US2021031A - Winding machine - Google Patents

Description

w1ND1NG`MAcH1NE Filed Aug. 17, 1952 4 Sheets-Sheet l 1 E. R. SwANsoN A 2,021,031

WINDING MACHINEv Filed Aug. 17, 1932 4 sheets-sheer 2 Nov. 12, 1935.

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UNITED STATES PATENT OFFICE 2,021,031 l WINDING MACHINE Ernest R. Swanson, Cranston, R. I., assigner to Universal Winding Company, Boston, Mass., a corporation of Massachusetts Application yAugust 17, 1932, Serial No. 629,229

26 Claims. (Cl. 242-355) This invention relates to improvements in winding machines for winding cops, cones, cheeses and other lforms of packages of yarn, thread, cord or like strand material, hereinafter referred to generally by the term yarn; and particularly to winding machines wherein the package is driven by peripheral contact with a drive-roll o-r drum. Morespecifically, the invention relates to a machine of the traveling type in which a plurality of Winding units are mounted upon a revolvable table or annulus and arranged to travel past a fixed point hereinafter designated theoperators station.

One objectof the invention is to provide'a winding machine of the type specified wherein the winding units are carried upon a horizontal ring or annulus caused to revolve about a vertical axis whereby to successively present the unitsto the operator for dolling the completed cops or packages and replacing them with empty coptubes, and for repleni'shing depleted supplyb'obbins with full ones.

Another object of the invention is to provide a machine of the type specified wherein the cops or packages are rotated by frictional contact with drive-rolls or drums and arranged with their supporting spindles -extending radially with respect to the axis of the revolving annulus to direct the ends of the package outwardly lwhereby to facilitate the operation of doflng the packages and the tying-up of the ends from the fresh 'supplies Another object of the invention is to provide a machine of the type specied wherein the inr dividual operating mechanisms of winding units are driven from a common source of power without the intervention of complicated gearing.

vAnother object of the invention is to provide a machine of the type specified having a'siinplied mechanism 'incorporated in the driving means which` operates to disrupt the synchronism between the rotating packages being vwound and the traversing means, whereby to control the disposition. of the turns of winding on the surface of the packages to prevent the formation of bands or ribbons in which the yarn coils are crowded cr "piled. A

Another object of the invention is to provide a machine of the type specified which is highly automatic in operation to require little attention on the part of the operator except for replenishing the supply-bobbins and doiling the wound packages.

Another object of the invention is to provide a lmachine of the type specified having means for automatically arresting the .winding operation of each individual unit when the yarn breaks or its supply is exhausted and also upon completion of the package to the required size.

Further objects of the improvement are set forth in the following specification which describes a preferred form of construction of the invention, by way of example, as illustrated by the accompanying drawings. In the drawings:

Fig. 1 is a plan view of the improved Winding 10 machine on a greatly reduced scale;

Fig.r 2 is a plan view' in larger scale of a portion of the winding machine illustrated in Fig. 1, showing several of the winding units and the drive therefor; 15

Fig. 3 is a front elevation of the same, showing three of the winding units as operative and one of the units as inoperative; and

Fig. 4 is a vertical sectional View of a portion of the machine taken on line 4-4 of Fig. 3. 20

The present improved winding machine comprises, in general, a circular rail or trackway supported on columns or stanchions; an annulus revolvable on the trackway for traveling a plurality of winding head or units in a closed course; driv- 25 ing means for revolving the annulus on the track= way; a unitary driving means for operating the individual winding mechanisms during their travel around the trackway; means incorporated in the last-named driving means for effecting a 30 periodic alteration in the speed of one of the winding elements; and automatic stopping mechanism for controlling the operation of the individual winding units.

Referring to lthe drawings, the improved wind- 35 ing machine as herein shown embodies a unitsupporting annulus or ring 2 which is preferably of inverted channel-shape in cross section, see Fig. 4, and supported to revolve upon a circular rail or trackway 3. The rail 3- has over- 40 hanging side lugs 4 resting upon the upper end of columns or stanchions 5 which may be constituted by lengths of piping mounted for vertical adjustment in feet or bases 6 secured to the oor. The rail 3 is of angular shape in cross section 45 with its horizontal flange provided with a linished face 1 lupon which the annulus 2 is revolvably mounted'by means of rollers I4 to be later described. The vertical ilange o1' the angular fastened to the rail by nuts 9. Preferably, the rail-member or trackway 3 and the annulus y2 are constituted by a plurality of arcuate sections bolted together at l0 and Il, respectively, as 55 2 shown in Fig. 2, to adapt them for economical manufacture and convenient assembly.

Journaled in bosses orv bearings i2 formed integral with the outer flange of the channeliron annulus2 are stud-shafts or axles I3 carry-- ing the rollers or traction wheel's I4 which travel upon the finished upper face 1 of the trackway 3 when the annulus is revolved in the manner as later explained. The annulus 2 is formed on its inner flange with a plurality of bosses or lugs I6 to which is attached, by means of bolts l1, a ring-gear upper face.

The driving means for revolving the annulus 2 is preferably positioned within the circumference of the latter and may comprise an electric motor, such as shown at 20, arrangedV for vertical adjustment upon a bed or platform 2l. As illustrated in Figs. 3 and 4, the platform 2 is constructed in the form of a rectangular plate supported from the floor by bolted thereto. Referring to Fig. 2, the armature-shaft of the motor 20 is connected by means of a coupling 23 to the end of a stud-shaft 24 forming one of the rotative elements of a speedreducing mechanism, indicated generally by the reference character 25. The speed-reducing mechanism may be of conventional type and therefore will not be herein described in detail. Suffice it to state that a pinion 26 fast on the shaft 24 meshes with a larger gear 21 fixedly secured to a shaft 28, both shafts being journaled inbearings on the sides of a covered box or casing 29. The shaft 28 carries at its forward end a pinion-gear 30, the teeth of which mesh with the teeth of the ring-gear I8 previously mentioned. It will be understood that when vthe electric motor 20 is operative power will be transmitted therefrom to the shaft 28 through the gears 24 and 21 and the pinion-gear 30 meshing with the ring-gear I8 will revolve the annulus 2 at a greatly reduced rate of speed. Any suitable electric switch, for example, of the push-button type, may be provided for controlling the starting and stopping of the motorand thereby the turning movement of the annulus 2.

The winding units orheads, designated generally by the reference character 35, are removibly mounted upon the annulus 2 to be traveled thereby past the operators station. Any suitable type of winding unit may be mounted on the revolving bed or annulus 2, the mechanism herein illustrated by Way of example being similar in construction to that shown and described in my pending application for United States Letters Patent, Serial No. 447,588, filed April 26, 1930, now Patent No. 1,895,741, issued Jan. 3l, 1933. As shown most clearly in Figs. 2 and 4 of the present drawings, each winding unit 35 is mounted on a bracket or standard 36 detachably fastened to the upper face of the annulus 2 by means of bolts 31. An outboard bearing member 39 is positioned outwardly with respect to the bracket 36, being supported in spaced parallel relation thereto by means of tie-rods or spacer-studs 40. The members 36 and 39 carryl the bearings for the driving shaft and also support the other parts of the winding mechanism.

In the present construction of the machine each windingY unit comprises only two principal operating elements, namely, the winding-mandrel or spindle 43 on which the cop-tube C or other core for the package is rotatably supported and the drive-roll 45 for rotating the yarnreceiver; Vand in which is embodied the means I8 having rack-teeth cut in its legs or standards 22' for traversing the y rn back and forth axially of the package being wound. vIn this form of construction the usual reciprocating threadguide is dispensed with and the drive-roll 45 has its peripheral surface provided with4 connected 5 i helical grooves 46 and 41 extending in opposite directions and adapted to receive the strand of yarn to guide it back and forth between the ends of the package. This particular form of traversing means is shown and described in United l0 States Letters Patent No. 1,749,355 dated. March 4, 193i). It is to be understood, however, that various other types of winding mechanisms may be employed as units on the revolvable annulus 2, such for example, as that wherein the packl5 age is driven by contact with `a drive-roll and the yarn traversed by means of a reciprocating thread-guide.

In the present formy of construction the driveroll 45 is carried on and rotated by a horizontal 20 shaft 48 journaled in bearings 49 and 58 supported by the members 36 and 39.' Fast on the inner end of the shaft 48 abutting the side of the bearing 49 is a pulley or drive-wheel 5| adapted to be rotated by peripheral contact with a friction drive-ring 52 which is revolved'about the axis of the machine in the manner as later more fully explained.

The winding units of the machineare herein shown as adapted for winding packages P of 3o conical form in which the yarn is built up on an axial core or support, for example, a paper or fiber cone-tube C illustrated in Fig. 4 as rotatively mounted on the winding-spindle or mandrel 43 by means of a cop-tube holder 44. The 35 winding-spindle 43 is xedly connected at its inner end to the forked end of an arm or rod 53, the opposite end of which is swiveled in a bearing 54 on a Y-shaped arm or lever 55. The arm 55 is hinged on a rod 56 held in a bearing 51 4 0 projecting from the top of the bracket 36 of the next adjacent winding unit in the series. The arm 55 is usually weighted whereby to cause the surface of the yarn-receiver or cop-tube C, or the surface of the package A common driving member for the whole series 50.

of winding units drives the individual shafts. 48 through means as next described. As above explained, the shafts 48 are adapted to be rotated in their bearings by the traction engagement of their puleys or wheels 58 `With the lower face 55 of the drive-ring or friction annulus 52. The drive-ring 52 rests upon and is supported solely by the pulleys 50, being held'to its circular orbit by means of flanges or rims 58 on the pulleys engaging its outer edge or rim, see Fig. 4. Theil() bottom face 'of the ring 52, which constitutes the' driving surface engaging with the pulleysfmay be coated with a suitable friction material for providing the maximum traction. Spaced at' intervals along the bottom driving surface friction-ring 52 are a series of gaps or recesses 59 provided for a purpose as later explained.

In operation, the winding units are traveledabout the axis of the machine in a contraclock- Wise direction as viewed in Figs. 1 and 2. If the 70 P, as the case 45 Amay be, to be held in Vdriving contact with the of the 65 of revolution of the increased. The

the surface of the winding units themselves, the friction drivering 52 is turned clockwise, as viewed in Figs. 1 and 2, or in a direction opposite to the direction annular bed or support 2 for the'units. .The speed of rotation of the driverolls is thus greatly multiplied and the productiveness of the winding mechanism accordingly .means for turning the friction drive-ring 52 is organized and arranged 'as next described. y

The drive-ring 52 is provided on its top with teeth and meshing therewith is a pinion 60 fast on the armature-shaft of a second electricmotor -GL ably supported upon the As shown in Fig. 4, the motor 6l is adjustplatform 2|, previously described, with its axis arranged radially with respect to the axis of the ring 52. The starting and stopping of the motor BI may be effected by controlling mechanism as usually provided.

Means are providedvin the present improved winding machineI for disrupting the synchrony of motion between the rotating package and the traverse mechanism for the yarn, such a device being known as a ribbon-breaker? for controlling the disposition-of the turns of winding on of the package to prevent the coils of yarn from crowding or piling. As is well known to those versed in the art of drum winding, when the cop-tube or other yarn-receiver is rst started to rotate to wind on the yarn the coils are usually laid in .open or spaced relationship; but when the wind changes due to the constantly increasing diameter of the package, the coils gradually close up and eventually tend to crowd or pile on each other to cause what is termed a ribbon Wind on the surface of the package. Where several coils-are laid over each other in the ribbon they tend to slip orv slide out of place, thus disturbing the twist of the yarn to such an extent that its quality is impaired and, yarn from in addition,`the free delivery of the the package is hampered. I n order to overcome this defect in the winding operation the present invention contemplates the provision of mea-ns incorporated in the drive-ring/52 for periodically altering the speed of rotation of each drive-roll t5 to disrupt the synchronism between the package and the traversing yarn. y

As before mentioned, the friction-ring 52 is provided 'with a series of gaps or recesses. 59in its driving face spaced at intervals round its circumference, see Fig. 3.- During operation of the machine the pulleys 50 contact with and are rotated by the bottom face of the ring 52 in the the recesses v.'59 come successively into opposition portion 59 is carnumber is arbitrary more engages the lower face of the ring and riedpast the pulley .5| sc that the latter once its speed is accelerated to the maximum again. As` shown in Fig. 3, the ring 52 is provided with a recess' 59 for each and may vary according to requirements. l

The yarn is supplied to the winding units from bobbins b held on spindles 63 located beneath and slightly in advance of thevwinding spindles. An 10 armor bracket 64 is secured lto the tie-rods 49 Voi' each unit and reaching downwardlyv therefrom its lower extremity supports the/supply-spindle 63 pivoted theretdsee Figs. 3 and 4. 'I'he yarn y is drawn upwardly through a suitable tensiondevice, indicated generally by the reference charinthe speed of the drive-roll is of gizing the electric acter 6.5, across a stationary guide 68 and a movable bail-wire 56 which forms a part of the stopping mechanism of the Winding unit. The baillower end of which is normally held raised above the path of a series of stationary cam-plates 'Il secured to the forward rim of the rail or track- 30 way 3 by means of screws '12.

The knock-off lever The member a bar 14, termed which is attached at 'i5 to n.45

69 has a ratchet connection with the sizing bar,

sizing bar 'I4 reaches a predetermined size; but as this part of the machine is substantially identical with 60 that disclosed in the above mentioned application 1t is unnecessary to describe it in detail.

position with thepackage held in drivingcontact with the periphery of the drive-roll. The method ofloperation of the complete winding machine is as next explained.

Ihe machine is started to operate by enerthe means of a switch pr switches, not herein shown. The motori 6|, through its geared connection with the friction-ring 52, revolves the ve winding units.. but this 5 motors 20 andV BI through l f latter in a clockwise direction as viewed in Figs. 1 and 2, and the pulleys or wheels 5I are driven by rolling contact therewith to rotate the driverolls 45. The motor 20 which is connected through. the reducing gearing 25 to the ring-gear I8.revolves the latter in the opposite direction to travel the winding units' around .the machine. With the dual arrangement' of motors as above described the winding units are caused to travel around the machine at a slow rate of speed with the drive-rolls 45 turning at high speed to perform the winding on the cop-tubes C rotated therefrom. When n breaks or its supply is ehausted, or upon completion of the package, the operation of this unit is immediately arrested by the automatic stopping mechanism. Then, as the nonfunctioning unit is brought around past the operators station, the break in the yarn is repaired, a new bobbin supplied if necessary, or the completed package `doiied and a fresh one started, as the case may be. The operator may take up a position at any desired point around the circumference of the machine, this point at X in Fig. 1. The operator is usually provided with a suitable seat and furnished with a supply hopper for holding the full supply-bobbins, a box for receiving the spent bobbinsvand a rack upon which the woundpackages are stacked.

Each unit or head is prepared for winding by mounting a wooden or ber cop-tube or yarnreceiver C to rotate on the spindle 43 while the latter is held in raised position as shown at the left in Fig. 3. The material is led upwardly from its source of supply b through the'tension-device 65, thence drawn across the guide 68 and bail-wire 66 to the periphery of the drive-roll 45 and itsvend fastened to the cop-tube C. After the strand is secured to the cop-tube the operator lifts the starting handle 16 and the arm 55 is lowered. to bring the surface of( the receiver C into driving contact with the periphery of the drive-roll 45.

' As the yarn-receiver CY is brought into periphleral contact with the drive-roll 45 it will be rotated from the roll to wind on the yarn. The roll 45 turns in the direction indicated by the arrow in Fig. 3 and as the yarn is taken up by the rotation of the cop-tube C the strand y will enter one or the other of the crossing hellcall grooves 46 and 41 on the periphery of the roll. As the yarn feeds through the grooves it is traversed thereby back and forth longitudinally of the cop-tube to deposit it thereon in helical coils which make several turns rst in one direction and then in the opposite direction from end to end of the package being wound. In this way the yarn is given a continuous traverse from one end of the cop-tube to the other end and back again to build up a succession of courses forming overlying layers which constitute or package P.

As above explained, the drive-roll 45 is rotated by frictional contact Aof the pulleyI 5| with the drive-ring 52 and as the latter revolves therecessed portions or. gaps 59 therein serve' to periodically interrupt the driving contact. As the speed of the drive-roll is retarded the momentum of' the package will cause it to run ahead 'with its surface slipping on the roll and in this manner the synchrony of ymotion between the package and the roll, which latter constitutes the traversing means, is disrupted. By thus periodically changing the ratio of speed between the rotation of the 'package and the traverse of being indicated strand of yarn y or other the yarn body the yarn ribbon winding is prevented in the same manner as described in my pending appliplication for United States Letters Patent, Serial filed' Julvy 121,- 1931, now- Patent No. 1,899,651, issued Feb. 28, 1933.

The operator starts each indvidual winding unit asthe latter are successively carried to the station X. Sufficient time is allowed as the unit slowly passes the station to enable the operator to replenish the supply and tie up the end; or to deff a full package and on the holder when required. The winding units are continuously'traveled in a closed course in the manner explained and after the last unit in the series has been started the `initially started unit again reaches the station X. `Preferably, the rate of travel of the unit's is so timed that the yarn will be consumed from one supply bobbin during each .course of the unit around the machine. The exhaustion of the supply occurs just place a new cop-tube prior to the arrival of the unit at the Astation and the stopping mechanism acts to raise the package away from the periphery of the driveroll 45 to arrest the winding operation. Following the stopping of the winding mechanism the unit enters the station X and the operator places a fresh sup ly-bobbin b on the spindle B3 and ties its end to the strand already wound into the package and starts the winding operation again. This is' accomplished by the simple act of raising the starting handle 1B to lower the package'into peripheral contact with the driveroll 45. It will be understood that a plurality of the cam-plates 'Il are arranged about the raif 3 at short intervals to provide that if the 35 yarn breaks at any point during the travel of a unit Vthe winding operation thereof will be promptly arrested. When the packages are completed they are doffed and the units prepared and started to operate again in the manner as previously explained.

It will be observed from the' foregoing that the present invention provides a highly elciet means for traveling a series of winding units in a closed course to successively present themto an operator for tending at a fixed station. The operator may thus sit comfortably .at the station and'perform the necessary operations with a minimum of exertion, thus reducing fatigue andr greatly increasing the productive capacity of the machine. By the saving of time usually required for walking up and down along the machinev frame the operator may attend a greater number of units with a further increase in eciency.

The winding units are detachably mounted upon the revolvable annulus so that theymay be removed therefrom for repair or replacement without necessitating interruption in the operation of other units in the series for any considerable period. Y

The machine is extremely simple in construction, adapted for easy assembly of the parts and practically proof against derangement or getting out of order.

While I have herein disclosed a preferred form of construction of the machine, various modications may be, made in the structure and arrangement of its parts without departing from the spirit or scope of the present invention. Therefore, without limiting myself to the exact embodiment shown and described, I claim:

` 1. In a windingmachine, the combination of a vcircular trackway, an annulus revolvable on the trackway, a plurality of winding units mounted on the annulus and comprising means for rotatably supporting a package on each unit, a drive-ring arranged concentric with the annulus, shafts journaled on the annulus, drive-rolls' driven from said shafts for rotating the packages, and means on said shafts engaging the Vdrive-ring to support the latter and rotate the drive-rolls ofthe Winding units during their travel with the annulus.

2. In a winding machine, the combination of a circular trackway, a plurality of winding units, means for rotatably supporting a package on each winding unit, means for traveling the wind-I ing units on the trackway, drive-rolls for driving the packages of the individual winding units, a drive-ring arranged concentric with the trackway, means connected with the drive-rolls and engaging the drive-ring to support the latter and rotate the rolls, and means forA revolving the drive-ring in a direction opposite to the direction of travel of the winding units.

3. In a Winding machine, the combination of a circulartrackway, an annulus revolvable on the trackway, a plurality of winding units mounted on the annulus, shafts journaled on the annulus, drive-rolls on said shafts, means for rotatably supporting packages in driving contact with the rolls, pulleys on'said shafts, and a drivering supported on 'the pulleys concentric with the annulus andengaging vthe peripheries of the pulleys to drive the shafts.

4. In a -winding machine, the combination of a circular 'trackway, an annulus revolvable on the trackway, a plurality of winding units mounted on the annulus, means on each unit for rotatably supporting a package, shafts journaled on the annulus, drive-rolls on said shaft for driving the packages, a drive-ring supported from said shafts concentric with the annulus, means on the shafts engaging the drive-ring, and means' to revolve the drive-ring in a direction opposite to the direction of revolution of the annulus.

5. In a winding machine, the combination of a circular ytrackway, an annulus rovolvable on the trackway, means for revolving the annulus, a pluralityv of Winding units mounted on the annulus to be traveled thereby in a closed course, means on each unit for rotatably supporting a package, drive-shafts for the winding units, drive-rolls driven from said shafts, pulleys on said shafts, a friction drive-ring resting on the pulleys concentric with the annulus to effect driving contact with the peripheries of the pulleyS, and .means to revolve the drive-ring in a direction opposite to the direction of revolution of the annulus.

6. In a Winding machine, the combination of an annular trackway, an annulus revolvable on the trackway, means to revolve the annulus, a plurality of Windinggunits carried on the annulus to be traveled in a closed course, shafts for driving the Winding units, pulleys on said shafts, a drivering arranged concentric with the annulus and supported on the pulleys to provide frictional contact with their peripheries, and means for revolving the drive-ring in a direction opposite to the direction of travel of the winding units.

'7. In a Winding machine, the combination of a circular trackway, an annulus revolvable on said trackway, ar annular gear-rack carried on the annulus, a` pinion engaging the gear-rack, a motor for drivingthe pinion to revolve the annulus, shafts for operating the winding units, pulleys on -said shafts, a friction drive-ring arranged concentric with the annulus in engagement with the peripheries of the pulleys and provided with gearteeth, a pinion engaging the gear-teeth on the drive-ring, and a motor for driving said pinion to revolve the drive-ring in a direction opposite to the direction of movement of the annulus. 5

8. In a winding machine, the combination of an annular trackway, an annulus mounted above the trackway, rollers between the annulus and the trackway, a plurality of winding units mounted on the annulus, a gear-rack on the annulus, 10

a pinion engaging the teethof the rack, a motor l for driving the pinion, shafts journaled on the annulus for operating the winding units, a drivevringfor rotating the shafts, and means to revolve Y the drive-'ring in a direction opposite to the direc-` 15 tion of movement of the annulus.' 9. In a winding machine, the combination of a circular trackway, stanchions for supporting said trackway from the floor, an annulus `revolvable on the trackway, a; motor, gearing connecting said'go motor to revolve the annulus on thetrackway, a plurality of winding units carried on the annulus, shafts for driving the Winding units, an annular drive-ring arranged concentric with the annulus and connected to drive the shafts for the wind- 25 ing units, anda second motor for revolving the drive-ring in a vdirection opposite to the direction of movement of the annulus. I

10. In a winding machine, the combination of a circular trackway, an annulus revolvable on 3o the trackway, a motor, gearing connecting the motor to revolve the annulus, a plurality of Winding umts carried by the annulus, shafts journaled on the annulus fordriving the winding units, a drive-'ring for driving said shafts, a sec- 35 ond motor, and gearing connecting the second motor to revolve the drive-ring.

11. In a winding machine, the combination of a circular trackway, a plurality of winding units, means for traveling the winding units in a closed 40 course on the trackway, a shaft for each winding unit, drive-rolls driven by said shafts, means for supporting packages in surface contact with the drive-rolls, a drivering supported on the shafts of the Winding units concentric with the trackway, 45 and means engaging the drive-ring to rotate the drive-shafts.

' 12. In a winding machine, the combination of a plurality of winding. units, means fortraveling said units in a closed course, a drive-roll for each 50 unit, individual driving means for each driveroll, an annular drive-ring common to all of said units and supported solely from the driving means thereof to..rotate the drive-rolls, and means to revolve said drive-ring in a direction opposite to 55 the direction of travel of the units. 13. In a Windingjmachine, the combination of a plurality-of Winding units, means for traveling said units in a closed course, separate driving means for the individual'units, a drive-ring en- 60 gaging said driving means, means to revolve said ring to drive the driving means for the units, and means to periodically interrupt the drive between the ring and the unit-driving means to disrupt the synchronism of the. drive. Y y65 14, In a winding machine, the combination of' a plurality of winding units, means to travel said winding units in a closed course, individual driving shafts for the units, a drive-ring common to all of the units, and means on the driving shafts 70 engaging the drive-ring to operate the units, said drive-ring having gaps therein spaced at intervals of its circumference whereby to interrupt the driving `connection with the shafts to cause a periodic deceleration in the speed of the shafts. A 75 3o gagement with the wheel to periodically valter the 15. In a winding machine, the combination of means for rotatably supporting a package, a drive-roll for rotating the package by peripheral contact therewith, a shaft for rotating the driveroll, and a drive-element engaging the driving means on the shaft, said drive-element having a plurality of spaced gaps for interrupting the drivshaft and the traverse mechanism operated thereby.

17. In a winding machine, the combination of means for rotatably supporting a package, a drive-roll for rotating'the package, means for traversing yarn on the package, a driving shaft, a driving wheel on said shaft, and a drive-element engaging the wheel to rotate the shaft, said driveelement provided with `a plurality of gaps in its driving facepwhereby to interrupt its driving enrate of speed of the driving shaft.

18. In a winding machine, the combination of 'means for rotatably supporting a yam-package,

a drive-roll for rotating the package by peripheral contact therewith, and means to drive the drive-roll, said driving means having a plurality of gaps in its driving surface whereby to interrupt the drive to periodically alter the speed of the drive-roll to disrupt the synchronism between the package and its traversing means.

19. In a winding machine, the combination of means for rotatably supporting a yam-package, a grooved traverse-roll for rotating the package by contact with they periphery thereof while acting to traverse the yarn -longitudinally thereon, and

means to drive the traverse-roll, said means having an interrupted drivingface `formed with gaps to produce changes in ratio between the speed of the package and the traverse of the yarn to prevent ribbon winding.

20. In a winding machine, the combination of means for rotatably supporting. a yarn-package, a drive-roll for rotating the package by peripheral contact therewith, means for traversing yarn on the package, a driving element, and means engaging the driving element to impart rotation to the drive-roll, said driving means having gaps in one of the driving facesl to periodically interrupt the driving contact whereby to change the ratio between the speed of the package and the traverse of the yarn to prevent ribbonwinding.

21. In a winding machine, the combination of I an annular trackway, an annulus supported from thetrackway to revolve therearound, a plurality of winding units carried on the annulus, means on each Winding unit for supporting and driving 5 a package, shafts for said package-driving means, a drive-ring arranged concentrically with the annulus and supported from the drive-shafts, and power means for revolving the annulus and drive-ringin opposite directions. l0

22. In a winding machine, the combination of an annular trackway, an annulus revolvable on said trackway, means for revolving said annulus,

va drive-ring arranged concentric with and supported from the, annulus, winding units carried 15 by the annulus', a drive-shaft for operating each winding unit, means connecting the drive-ring to rotate the shafts, and power means for revolving the annulus and drive-ring in opposite directions on the trackway. 20 23. In a'winding machine, the combination of a plurality of winding units, a drive-roll for each winding unit, means for rotatably supporting a package in contact with each drive-roll, means for traveling the winding units in a closed circuit, 25 means for driving the drive-rolls, and means to periodically interrupt the connection between the driving means and drive-rolls during the travel of the winding units to vary the speed of the drive-rolls to prevent ribbon winding.

24. In a winding machine, the combination of a plurality of winding units each comprising a drive-roll and means for supporting a package in driving contact with the roll, means for traveling said units in a closed circuit, and driving means l ,ior transmitting rotation to the drive-rolls, said driving meansv having gaps to interrupt the driving connection to periodically vary the speed of the drive-rolls whereby to prevent ribbon wind- A ing.

for traversing yarn on the package, means for traveling said units in a certain direction in a closed circuit, driving means traveling in the opposite direction in the circuit and operating to transmit rotation tothe drive-rolls, and means to periodically interrupt the connection between the driving means and drive-rolls to vary the speed of the latter whereby to prevent ribbon winding..

26. In a winding machine, the combination of a plurality of winding units, means to travel said units in a closed circuit, means for driving the winding units during their travel, and means to periodically interrupt vthe driving connection to vary the winding speed to prevent ribbon winding.

ERNEST R. SWANSON.

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