USRE18310E - Automatic winding machine - Google Patents

Description

. E/J. ABBOTT Dec. 29, 1931. AUTOMATIC WINDING momma Re.'l8,3l0 Original FiledDeOFT. 19261 4. She'ets=Sheet.1"

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AUTOMATIC WINDING momma Dec. 29, 1931. Re. 18,310

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Original Filed Dec. "7, 1926 14 Sheets-Sheet l4 Figufi? L 4a woaemenfq eaiv'lls'jflfi r8360 05/026 11f" am Reliuve/ Reissued Dec. 29, 1931 UNITED STATES PATENT OFFICE EDWARD, J. ABBOTT AND WILLIAM G. ABBOTT, IR, OF WILTON, NEW HAMPSHIRE, AS-

, SIGNOBS, BY DIRECT AND MESNE ASSIGNMENTS, TO ABBOTT MACHINE COMPANY, OF

WILTON, NEW HAMPSHIRE, A CORPORATION OF NEW HAMPSHIRE AUTOMATId WINDING MACHINE Original No. 1,700,425, dated January 28, 1929, Serial No.'153,132, fi1ed December 7, 1926. Application for reissue filed November 13, 1980. Serial No. 495,410.

This invention has to do with winding yarn, thread or other filament (hereinafter referred to as yarn) into traverse-wound packages, such as headless self-sustaining cops, balls or cheeses built up, as usual, of

layers of yarn lying in spiral or helical formation, reversals of the direction of pitch of winding occurring at the unsupported end faces constituted of these cusps or reversals. Such a package is suitable for war for weaving, for rewinding into other pac ages, for direct use in a warping, knitting, sewing, braiding or other yarn-using machine, or as weft for a continuoussweft loof. As well known to textile artisan-s, it is necessary to rewind yarn made on a spinning frame and wound on bobbins, for economy of handling and prevention of stop age of the yarn-using machine, into pac ages comprising a greater length of yarn that it is possible to wind on the spinning frame bobbin, which can contain a length much less only than that convenient to be used in the ball or cheese constituting the primary yarn supply for the yarn-using machine.

One object of this invention is to provide a machine adapted automatically to wind a self-sustaining headless package comprising.

the wound lengths of-yarn of a plurality of different spinning bob-bins or other primary unwinding containers wound on the headless package one after the other, and to provide a machine for this purpose requirin a minimum of attendance whlch shall be a apted to receive a number of unwinding supply packages, such as spinning bobbins or spools, to

- wind the contents of unwinding supply bobbins severally into' headless traverse-wound packages, and to cause thesesupplies several ly to be replenished automatically by new supplies when exhausted or broken.

In a preferred form, it is a further object of the invention to provide for automatically uniting the exhausted or severed winding end to the leading end of the fresh or replenishment supply; and to provide for tying these two ends to ether automaticall Leading to these ObJBCtS, subordinate 0 jects of the invention are to provide a. machine which will detect and remove-or dofi a complete headless package or cheese; to provide in such a machine automatic devices for dischargin a \spent unwinding package; to'provide in such a machine automatic devices for beginning winding on a fresh spindle, quill, tube or carrier of the leading end of a replenished unwinding supply; and to provide for automatically positioning a fresh unwinding package whenever a predecessor unwinding package is exhausted or its yarn is broken. A

A further object of the invention is to provide means to detect and remove knots, enlarging defects, snarls and other imperfections generally known and hereinafter referred to as slubs; or, in case of failure to remove a slub, to break the yarn supply and secure replenishment of the yarn supply; and to ,providemeans to detect breaka e or exhaustion of an unwinding su ply, an automatically to stop winding 0 ,the winding ackage of that supply until replenishment shall have occurred.

A further object of the invention is to provide a machine containing devices to secure some or all of the above objects which will provide for winding the desired kind of wound package during progress of the winding and unwinding yarn packages in a circulatory path and in which the replenishment mechanism, the, place of delivery of the completed packages, the place of delivery of the spent bobbins and the place of donning or placing a carrier for the winding yarn mass is at one end of the machine, these devices operating at a relatively stationary location.

In pursuit of these objects, the invention provides, among other features and characteristics, in a machine operatin to wind one package and unwind another uring travel of the winding and unwinding yarn supply, improved devices for supporting,tensionin detecting exhaustion or breakage of the winding arn,-and for stoppin the motion of the win 'ng package upon ex austion or breakage or the occurrence of a slub, or of any of these; and improved devices for traversing yarn to lay quick-pitched spirals on the surface of a winding container or package during travel along or about a winding machine.

The invention provides devices and com- 9 binations of devices for attaining the above and other objects, as well as improved forms of the subordinate combinations and elements of a machine automatically operating to wind the yarns ofa plurality of supply bobbins or other unwinding packages in a connected whole on-a container or ackage in the-form of a cop, ball or cheese uilt up of traverse wound layers.

For these purposes, the machine may also include many of the characteristic features and combinations of a machine invented by Edward J. Abbott and described in his apglication for patent for winding machines,

erial N 0. 429,695, filed December 10, 1920 (patented December 7, 1926, N 0. 1,609,639).

- We do. not herein claim, therefore, the

matters common to said application for patent and this application.

In the accompanying drawings'we have shown certain species only of the machine of the invention which will now be described with the aid of the specific instances shown in the drawings in which: 7 Fig. 1 is a general plan view of a machine embodying the invention, sections of the length of the machine being broken away;

Fig. lis a detail diagram elevation of certain gearing;

Fig. 2 is a side elevation corresponding to Fi 1 Fig.2) is a typical cross section in elevation on the line 33 of Fig. 1 showing a carrier for the winding and unwinding packages and parts of the dofiing, stopping and resetting mechanism ;,j I

Fig. 3 is-a detail in F 1g. 3; r v

.Fig. 4 is a detail elevation corresponding plan view of a part shown to Fig. 3, showing the traversing mechanism and the support for a winding container; I

Fig. 5 is a detail section in elevation of one form of tension and detector mechanism;

Fig. 6 is an enlarged detailof a part shown in Fig. 5;

Fig. 7 is a plan corresponding to Fig. 6; Figs. 8 and 9 are detail plans partly in horizontal section on the line 8-8 of Fig. 17,

showing di'iferent positions of the winding spindle carriage;

, Fig. 10 is an underplan of a part shown in Fig. 9;

Fig. 11 is a .detail vertical section corresponding to Fig. 5, illustrating a modified form of yarn tension and slub catching device;

Fig. 12 is a view corresponding to Fig. 11, showing the parts in a difierent position;

Fig. 13 is a plan of certain parts shown in Fig. 11;

Fig. 14 is a detailelevation illustrating the bobbin gate at the lower end of the unwindini holder;

ig. 15 is a similar view showing the bobbin gate opened for discharge of an exhaust bobbin;

Figs. 16, 17, 18. and 19 are elevations on'a transverse plane, showing different-positions of devices relied upon for lifting the winding spindle and winding package;

Fig. 20 is a detail plan and Fig. 21 is a detailed side elevation of fullcheese dofling and new tube or core donning mechanism; l

Fig. 22 (Sheet 1) is an elevation of an actuating cam for the dofiing slide;

I Fig.- 23 is a detail elevation on an enlarged scale and partly in vertical section of the tube donning mechanism;

Fig. 24 is a vertical section on the line 2424 of Fig. 23;

Fig. 25 is a detail section on the line 2525- of Fig. 24;

Fig. 26 is a detail pla'n partly in section on line 26-26 of Fig. 2, showing parts of the reciprocating mounting for and certain driving connections for the replenishing mechanism;

Fig. 7 is a detail vertical section of certain driving gears;

Fig. 28 is an enlarged detail in plan including the parts shown in Figs. 27 and 30;

Fig. 29 is an enlarged plan view of a pawl mechanism shown in Fig. 26;

Fig. 30 is an enlarged detail side elevation of the replenishing mechanism;

Fig. 31 is an end elevation showing one operative relation of the replenishing mechanism of Fig. 30 and a supply bobbin magazine;

Fig. 32 is a right side elevation of certain operating connections shown in Fig. 31;

Fig. 33 is a detail left side elevation. of an operating cam for replenishing bobbin rotatlng means; I

Figs.'34, 35 and 36 areplans respectively illustratin different positions of supply bobbin and winding packa e core or tube endfinding and knot-tying evices of the replen: ishing mechanism;

Fig. 37 is a detail section of supply bobbin presenting devices;

Figs. 38, 39 and 40 are side elevations corresponding respectively to Figs. 34, 35

and 36;.

Fig. 41 is a side elevation illustrating a later stage of the tying operation; a I

Fig. 42 is a vertical detail section of/one .form of bobbin magazine;

Fig. 43 is a side elevation corresponding to Fig. 44 is an end in Figs. 42 and 43;

Figs. 45, 46 and 47 are rear side elevations of the knotter positioning and actuator devices;

elevation of parts shown whose duty it is to replenish the winding packages and to remove the Wound packages when finished.

Attendance upon such a machirfie involves v carrying about the machine of heavy weights of fresh supplies of yarn and also involves delay in operation 'due to the necessity for providing at each winding pair (thereby meaning the unit of unwinding bob in or package, winding package, suppor s for these, traverse m'eans, guides and tensions for the winding yarn) means for stopping the operation either upon exhaustion of the yarn being wound or completion of the wound mass, until such time as the circulating operator of the machine can finish replenishing and piecing the supplies at the intervening stopped units and removin all. of the intervening and stopped finishe packages. This is wasteful of time and attendance and exhausting to the operators, and ineilicient 1n respect to the considerable idle time of winding pairs, lessening the full capacity of the machine, and causing the output of the machine to depend upon the activity and skill of the operators.

In the said application of Edward J Abbott, Serial No. 429,695 (Patent No. 1,609,- 639, December 7, 1926) it has been disclosed how to cause the winding pairs comprising a supply bobbin, a traverse mechanism, and a winding package in the form of a headless ball or cheese to progress about the machine so as to bring each winding pair at or about the time of completion of winding from the supply package to the relatively fixed station of an operator at one end of the machine.

F or these purposes the machine of the said application comprises among other things tractor rolls for'driving the winding package along which the winding pairs are pro' gressed during winding; a support for bobbins being unwound holdingthe bobbins in an erect position for'unwindng' from one end of the supply package; and a traverse guide and means for operating it causing rapid reciprocation of the traverse guide in the direction of progress of the winding package or cheese along the tractor rolls. In the machineof the said application the operations of replenishing the supply packages,

dofling the full cheeses, donning cores, quills or tubes for a new winding for another cheese, and uniting operations for joining the leading end of a supp-1y package to the following end of a winding package are manual operations adapted to be performed by the skilled operator at one end of the machine:

The present invention retains the advantageous mode of operationand construction of the machine of the said application in respect-to the arrangement of tractor rolls, the direction and mode of progress of the winding pairs first in one direction along one tractor roll and then in another direction along .or dofling the full cheeses; provides automatic means for placing on the winding spindles of the winding pairs a new carrier,

'core, .tube or quill; provides for automatically beginning winding on a new carrier or core for a newly begun package or cheese by .automatically delivering the fully wound package and the spent bobbin or carrier for theunwinding supply and replenishing them severally by a new core and a replenished un winding supply, and provides for automatically replenishing in respect to the winding carrier and spent supply by providing and positioning a new supply, and by automatically uniting the leading end of the new supply to the following end of a broken or exhaustedsupply or to a starting winding on the winding package carrier; and further provides for accomplishing these operations at one end of a circulating winding machine having the advantages of the machine of the said Edward J. Abbott application, by ac complishing the circulation about the machine of winding pairs in about the time required to wind allof the yarn oif of one supply package onto the forming cheese, so that in normal operation the unwinding carriers are exhausted when they reach the replenishing mechanism.

In a preferred form the machine, referring now to Figs. 1 and 2 of the drawings, comprises end frames 1 and intermediate frames 2 in any desired number shown as castings, see Fig. 3, having suitable seats for upper longitudinal rails 4, and rails 5. Other longitudinal struts may, if desired, be provided, for instance as shown at 6, to increase the strength and rigidity of the framework, which may be of any suitable form for supporting the working parts. A suflicient number of frames 2 is provided to'build a machine of the desired length, and this length may be dictated by'the length of the unbroken yarn on the usual unwinding packages, the speed of circulation of the winding pairs, and the linearspeed of winding-on the 5, these rails are bent, for example at 4, 5",

in semi-circular curves about centers at the respective ends of the machine. The rails 4 and 5 therefore provide vertically spaced endless tracks for the winding and unwinding pair carriers 10.

The circulating 0arrz'ers.Preferably the carriers are constructed as bestlshown in Figs. 1, 2, 3, and 4. as substantially upright T-section frames 11 having grooved lugs at their lower ends at 12 straddling the rail 5; having anrup'per bearing frame construction having spaced ends 13, and a centraldownwardly extending lug 14 bolted to the upper end of the frame 11, the frame 13,13 having rearwardly ext-ending'bifurcated legs 15 providing a bearing for anti-friction rolls 16 resting on rail 4, and said fraine13 carrying at one end an upwardly extending arm 1 backwardlycurved, terminating in a boss18 on'whic'h is erected an upright slide shaft 19 bearing a key or gib 20 and having mounted at the upper end thereof a cap 21-serving as a bearing place for certain members presently mentione i The frames 13 may further carr antifriction rolls 22 and 23 respective y taking against the rear and front faces of the rail 4. The carriers 10 are circulated about the straight sides and semi-circularends of the rails 4 and 5 by any suitable driving connection to an endless chain running substantially parallel to, within and near the rail 4; for example links 25, Fig. 1, are pivoted respectively to the lugs 15 at the rear side of the frames 13 and to projections from appro riate links' in chain 30,so that the points 0 at".

tachment ofthe chain 30 may be shiftedto different distances from the rail 4 during mo-' tion of the carriers 10 around the ends 'o'f' the machine.

Driving c0n1wct2'ons.Any suitable means for driving the chain 30 at the desired speed may be employed. Preferred means illustrated in the drawings comprise sprocket wheels and 36 at the respective ends of the machine respectively mounted on vertical shafts 37 and 38. Shaft 37 may be fixed in a bearin 39 which, ifdesired, may be longitudina 1y adjustable in respect to the frame 1, for example by means (not shown) of the said application for patent. Shaft 38 may be'similarly mounted in the bearing block 40 on the right hand end frame 1, but this shaft is keyed to the sprocket. 36 and suitably driven tomove the chain 30. The vertical shaft ,7

38 is driven as presently-described.

Referring to Figs. 1, 1, 2, 3, and 4,. the winding package is driven by driving contact with one or the other of the longitudinal tractor rolls 50, 51 which preferably-extend along the machine above the rails 4 between end bearings in brackets 52, 52 at the rear end of the machine and end bearing brackets 53.,

53 formed as a part of a hollow transverse gear casing 55 extending across the front end of the machine inward of the right end bearing frame, Fig. 1.

Casing 55 has appropriate bearings for like I short shafts 56 and 60 (of which shaft 56 maybe employed as a main driving shaft,

bearing for this purpose a pulley 57 driven.

by'a belt 5 8 from an overhead clutch pulley, (not shown) and for this purpose the casing 63 in turn meshing with idler pinions 64 and 65 on stud shafts 66, 67 within the gear casing 55. Idler pinions 64 and 65 in turn mesh with the drive pinions 68 and 69 formed on or attached to the ends of the respective tractor rolls 50, 51. When the shaft 56 is driven the tractor rolls are driven at like relatively high speeds in opposite directions, so that their ,upper surfaces rotate inwardly toward the machine. The primary drive may of course be applied instead to any element of these connected rotary parts. 4

At suitable intervals in the length of the rolls 50, 51, these rollsmay be supported by uncapped hearings on brackets forming part of the frames 2, with the effect that the upper surface of the rolls 50 or 51 is free tosupport and drive a winding ball or cheesev carried by a winding spindle26 projecting at right angles from a boss at the bottom ofa hollow slide 27, Figs. 3 and 4.

The shaft 60 may carry a pulley 70 driva belt 71, in turn driving a pulley 72 on a longitudinal shaft 73 in bearings in the frames 1 and 2.- One end of the shaft 73 carries a pinion 74, 1 and 2, engaging a much larger gear 75 having attached to one face if cam 76 presently referred to, and fast upon' a primary cam shaft 77 geared at 78,

78' to a secondary cam shaft 79, all in bearings in the frames 2. The left or back end of the shaft 79 carries a tappet cam 80 for use presently mentioned. The right or front-end of the shaft 77 carries a tappet cam 81 for use presently mentioned.

The right handend of the longitudinal shaft 73, see Fig. 30, finds a bearing in the casing 85 containing a thrust hearing at 86. Integralv with or attached to the shaft 73 within the casing 85. is a suitable driving worm 87 for a worm gear 88 keyed to the shaft 38. The shaft 73, its worm, and, the

gear 88 thereby drive the shaft 38 and the chain 30. Certain other parts are actuated from the shaft 38 as presently'mentio'ned. v

It will be observed, from the operation of the machine so far as described, that there is constant actuation of the tractor rolls-50, 51 which may be driven at speeds exceeding 1200 revolutions per minute, and that the rotation of these tractor rolls is related to the motion ages and the unwinding packages carried by the carriers 10. The carriers 10 may move,

for example, at the rate of ten feet per minute.

' It is desirable to so operate upon the winding package carried by the carriers 10 as to cease actuation during the progress around the ends of the machine of these carriers and the load carried by them. It is desirable also to cease actuation of the traverse motion by which the unwinding yarn-is laid upon the surface of the cheese or other packages driven by the tractor rolls 50, 51. I

Referring now to Figs. 1, 2, 3, and 4 devices are' provided for consecutively lifting the hollow slides 27 carrying the' winding spindles 26 as they are about to pass off of the respective tractor rolls 50,. 51. On a frame 2 near the front of the machine as shown in Fig. 3, a slidewa 90 is erected to receive a slide 91 connecte by a link 92 to a lever 93 pivoted at 94 to the opposite side of the frame 2. The lever 93 lies over the tappet cam 81 at this'end of the machine, and the relation of motion of the shaft 77 to the motion of the chain 30 is such as to lift the slide 91 at each passage by it of the vertical slide shaft 19 of each of the-carriers 10. The

.hollow slides 27 are each provided with an anti-friction roller 95 on a stud 96 to engage a T-head 97. on a bell crank lever 98, 99 pivoted at 100 for limited motion in respect to slide 91. A relatively weak spring 101 normally supports the lever 98 atthe-top of its limited motion. Mounted on the slide 91 (see also'Figs. 16, 17, 18 and 19) is a latch lever 102 pivoted at 103 for control by a leaf, spring 103 mounted on an indicator 104 on the pivot 103.

When the anti-friction roll is in a lowposition such as shown in Fig. 3 upward motion of slide 91 will cause the T-head 97 on lever'98 to be depressed in relation to the slide 91, the lever 102 and spring 103 being-free to drop to the position shown in Fig. 3. Under these circumstances the lifting motion of the slide 91 is suflicient to carry the hollow slide 27 to a height to engage a lug 28 of said slide behind a bell-crank latch lever 105 mounted on the head 21 of each vertical slide shaft 19.

The slideway 90 carries a verticall adjustable cam 106 adapted to move the ever'102 andlatch the depending arm 99 of the lever 98, 99 so that the slight freedom of motion permitted against the spring 101 I may not take place on encounter of the crutch head 97 with the anti-friction roll 95. But this will not take place unless the anti-friction roll 95 is in a relatively elevated position, see Fig. 16, as will occur when the cheese C being wound is of a predetermined diameter or a greater diameter. In that case the cam 106 will have latched the arm 99 of the lever 98', 99 before the roll 95, the height of which place.

- preferred devices shown in the Q comprise a. rotary traverse cam made as a measures a radius of the wound cheese is reached, and as a result of this the ho ow slide 27 will be lifted a measured distance further than is necessary merely to latch-the lug 28 by the latch lever 105.

Projecting-inwardly from the hollowi'slide 27 a stud 29 is provided to, engage with a de;- pending cam 107 mounted in a slot in the cap 21 whenever the hollow slide 27 is lifted abnormally by locking the lever 98, 99 in its upper position.

The key 20 inthe keyway on the hollow slide 27 ends in a position to permit movement induced by the stud 29 on the cam 10'? whenever this abnormal lifting motion takes As a. consequence of this arrange.- ment, whenever there is a full cheese on the spindle 26 at the time of passage from the roll 50 and before the carriers 10 move around the front end of the machine, the hollow slide 27, the spindle and. the full cheese will be turned about the slide shaft 19 to the posi-. tion best shown in Fig. 1 at an angle of about 30 to normal position. This brings the full cheese within the influence of dofling or discharging means, and positions the spindle 26 to receive a new carrier or tube for another winding package.

The traversing mechaMsm.-The frame 13 of the carrier 10 for the winding and unwinding airs is provided with means for guiding t e yarn in the quick-pitched or stee spirals desirable to build up a headless-woun package, such as the well-known Fiji package mentioned above, in which the heads or ends of the ball or cheese are relatively perpendicular to the winding axis and comprised of'the cusps or reversals of the spires of the winding in each layer. For these urposes, rawings barrel cam 115, Figs. 2, 3 and 4, having an endless cam path 116 of the desired number of turns and'having projecting end journals 117 having their bearings in slots 118 in the. frames 13, and provided with hearing blocks 119 movable inwardly in'the slots under the influence of springs 120. The cam 115 is provided with tractor rings 121, which may be soft metal rings fast on each end of the barrel cam and projecting slightly above its general surface. These rings are normally forced by the springs 120 into contact with the rolls 50 and 51 to be driven thereby.

Parallel with the axis of the rolls 50, 51 when thedevice is in use and with the axis of rotation of the cam the frames 13 also carry guide bars 122, 123 and straddling these two parallel guides a block 124 bored for the guide 123 and slotted for the guide 122 carries a depending pivoted follower 125 and an upwardly projecting cam-edged lug 126 having a central guiding slot for the yarn. On the outer'face of the frames 113 in suitable lugs the polished guide bar 127 provides an out I provided to drop .board support for yarns going to the winding surface from the supply.

The arrangement is such that the rapidly reci. rocating guide 126 projects into the path e yarn guided by t e guide 127 and the upper surface of one of the tractor rolls 50, 51, and by reason of the cam edges of the guide 126 picks up and reciprocates the yarn in a direction parallel to the winding axis.

It is desirable to remove the contact rings 122 from driving contact with the rolls 50 at times when the hollow slide 27 is lifted. For thispurpose the frames 13 may carry a rock shaft 130v having a depending lever 131 adapted to be latched in'an outward position byagravity latch 132 pivoted at 133 in a part of the frame 13. Eccentrically dis osed arms 135 at the ends oftthe rock'sha 130 take under the lower ends of vertical slide wed es 136 in ways in frame 13, so that when the fiaver 131 is rocked inwardly with shaft 130 the cam 115 is axially moved outward, the drivin sleeves 121 are forc'ed out of contact with t e rolls 50 or 51.

On the rails 4 at appropriate places near the ends of the tractor rolls 50, 51 in the direction of motion of the carriers 'sui'table cams 138 lift the lever 131 to the outward position. Suitable cams 139, see Fig. 2', on the rail 4 may beprovided to lift the latch 132 to release the lever 131 and permit the wedges 136 to drop and thus to restore the parts to operation. Cams 138 and 139, not shown, may be placed on the run of the track 4 at the ends of roll 51, for the same purpose.

'Referring now to Figs. 1 and2, means are the slides 27 so as to bring pac age onto the tractor rolls 50,, girming 'of their either of the tractor rolls. Preferred means for this purposecomprises standards 140, 140' having at their upper ends forwardly projecting cams 141 which react with the cam tails 142 of the latch levers 105 mounted at the heads of the respective slide shafts 19. l The standard 140 may also-carry a friction spring 143 adapted to engage a core or partly wound cheese above its axis to insure that the tube is thrust as far as it will go on spindle the windi 51 at the above explained, the parts are held in this position, as by the V-shaped upper end of the key taking into a V-slot 140, Fig. 10, on the under face of the slide .27 the slide 27, spindle 26 and its carried package continuing passage along 26 and to set the cheese rotating on its spindle, before it is dropped on the roll or 51, to

lifted by the operation t3 travel with chain 30 toward and beyond t e Ieve than any operative spindle 26 and slide 27.

vInthis position the full cheese passes, by continued travel with chain 30, the place of operation of devices adapted to remove position of the the cheese and its tubular core endwise from the spindle, and to place a new core on the spindle. Any effective means for this purpose may be resorted to, but in a preferred form the machine is provided with an auxiliary bridge frame having a horizontal memher 145 and a vertical member 146 erected on one of the frames 2 and its outer end supported by a floor standard 150, which standard may carry a magazine 148 and feeding mechanism for whatever kind of tubular carrier or core upon which it may be desired to wind the wound product of the machine; for

example, as shown, these carrier cores-may be wooden or molded-composition cylindrical tubes 147 having flared-end central bores and preferably carrying a short pre-winding of any suitable yarn-"at 149 to facilitate automatic starting of winding by automatically uniting to the pre-winding the leading end of a new. yarn supply. Preferably the magaosition shown in 1, and at a hlgher zine 148 loosely supports a vertical column o girecip-i with a pinion 154 faston a short shaft 155 1n bores in a lug of member 146 and in a bore in a rack guide 156 which may be fastened to or form a part of member 146, shaft.

155 carrying a pinion 157 meshing with a vertical rack 158 on a twisted bar 159 bearing at its lower end an anti-friction roll 160 adapted to take into the cam path 161 of the cam 76, Figs. 1, 2 and 22.

The connector 152 carries a depending pusher 162 adapted to strike and move to the right of 21 and 22 the full cheeses on the reciprocal stroke to the right of pusher 1 162, as iven in time with the motion of chain 30 y the cam 76, 161 and the rack and pinion connection 159, 153,. etc. The cam track 161 is relatively steep, so that the motion of the pusher162 is rapid in relation to travel of the chain 30 and the wound cheeses in the direction of the arrow a, Figs. 1 and 20. The slope of the direction of motion of the pusher 162 in relation to the propermotion of.

- the travelling wound cheese is such as to minimize shock of contact and to'result in slight- 1y rotating the dolled wound mass and its

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