US1736314A

US1736314A - Filling bunch builder

Info

Publication number: US1736314A
Application number: US603437A
Authority: US
Inventors: Homer H Holcombe
Original assignee: HOLCOMBE TEXTILE EQUIPMENT CO
Current assignee: HOLCOMBE TEXTILE EQUIPMENT CO; HOLCOMBE TEXTILE EQUIPMENT CO Inc
Priority date: 1922-11-27
Filing date: 1922-11-27
Publication date: 1929-11-19
Anticipated expiration: 1946-11-19

Description

Nov. 19, 1929. H. H. HoLcoMBE FILLING BUNCH BUILDER original Filed Nov. 27. 1922" I 2 Sheets-Sheet Nov. 19, 1929. ,y H. H. HoLcoMBE A I 1,736,314 l FILLING BUNCH BUILDER Original Filed Nov. 27. 1922 2 Sheets-Sheet, 2

nvenlor /amerHy/Ya/came By I . .I l. A y Attorney Patented Nov. 19, 1929 UNITEDi STATES PATENT OFFICE Homin n. HoLooi/IBE, or BIRMINGHAM, ALABAMA, Assieiron, BY'iyinsivn Assiemiyiniv'rs, To HoLcoMBE TEXTILE neUiPMnirr co. ING., lor BIRMINGHAM, ALABAMA,

A CORPORATION or ALABAMA FILLING BUNCH BUILDER Application filed November 27, 19%2, Serial No. 603,437. Renewed Abril 15, 1927.

This invention relates to yarn winding machines and spinning frames that are adapted to lay a preliminary winding or bunch on the bobbins or yarn i'eceivers prior to the laying of the main service winding` thereon. Such bunches are usually laid on the feeler wood of the bobbins and when the latter are used in automatic filling-replenishing looms the change of filling automatically effected by the feeler mechanism will leave enough yarn in the bunch to avoid mispiclis in the cloth. Heretofore the general mill practice has been for the operator to hold the ring rail or yarn guide means in position to lav this bunch in the position desired on the feieler Wood of the bobbins, after which the ring rail or yarn guide was released to be thereafter controlled by the usual builder motion.

The most important object of my invention is to perfect a bunch builder mechanism which is reliable and wholly automatic in its functioning and which will respond only to some movement of Vparts incidental to the dofling operation to build a single bunch at the base of the feeler wood of the bobbins.

More particularly my invention is adapted temporarily to intercept control of the ring rail or yarn guide by the main builder motion and courol it by the bunch builder mechanism whicli will lay on the preliminary windn preferably witha traverse which will produce ashoit compact bunch set low on the feeler wood of the bobbins.

A further object of my invention is to avoid any jump of the ring rail when restoring it to the control of the main builder motion and to this end l claim broadly the provision of means which will, without injurious or objectionable effect, transfer .the control of the ring rail from the bunch builder motion to the main builder motion, regardless of the position of the latter at the time of the change. Since the ring rail is usually held in lowered position with or without a traverse motion during the winding of the bunch, this feature of my invention contemplates gradually raising the ring rail and with it the builder arm until the main builder cam engages the pitman roller on the builder arm and thereby resumes control of the wind; ing mechanism.

A further object is to produce the bunch builder motion by the engagement of simple, inexpensive, automatically controlled, coacting elements which work directly on the builder arm to 'cause the laying of the bunch winding, said elements being adapted t'o be engaged only after the lowering of the builder arm preparatory to doffing, and While engaged they act to impart a short traveise motion to the ring rail.v

A further object is to utilize :means responsive only to the moving of the builder 'arni substantially outside of the range of its moveii'ients in laying the main service winding to control the automatic engagement of the 'coacting elements of the bunch builder motion. y

A further object is to obtain the 'bunch builder motion from a rotating element or driver, such as a gear, and a driven element, such as a gear segment, the former deriving continuous motion from the drive for the main builder cam, and the latter caused to engage and be driven by the' driver, said ele ments while engaged holding the builder arm against following the main builder cam.

A further object is to pivot the driven element of the bunch builder motion on the builder arm and providetrip mea-ns adapted automatically to control its engagement with the 'clriif'eijz A. further object is to design the 'bunch building surface .of the gear segment with high and low teeth to give a traverse, 4and to shape the end of such surface, which last engages the driver so that it will permit the builder arm to pass without a jump from its control toy that of the main builder cani.

A further feature of my invention is that the length of the yarn in the bunch canv be varied by changing the extent of the `bunch building surfaceof the driven element 4or the diameter of the driver, as the longer said elements are engaged the more yarn will be wound in the bunch. l

My invention also comprises. t-he novel details of .construction and arrangements of which arefhereinafter more particularly described and set forth in the appended claims, reference being had to the accompanying drawings forming a part of this specification in which I have illustrated only the preferred embodiment of my invention.

According to the drawings Fig. 1 is a perspective view illustrating my bunch builder attachment in combination with only those parts of a spinning frame which are essential for an understanding of its operation.

Fig. 2 is an enlarged end view showing in detail the segmental controller gear, the dotted lines indicating the change in position of the aXis of the segmental gear' which is connected to and controls the movement of the builder arm, and this view also shows the shift of this axis with reference to the line of pull of the controlling spring to enable it to rot-ate the segmental gear back into mesh with the cam shaft gear when released by the latch.

Fig. 3 is a detail view of a bobbin with the main winding shown in outline and broken away to show the bunch built with my invention on the feeler wood.

Fig. 4 is a fragmental perspective view of a spinning frame or winding machine equipped with my present invention and with the end frame broken away to show the bunch builder in perspective view.

Similar reference numerals refer to similar parts throughout the drawings.

In the embodiment of my invention illustrated, I show a ring rail 1 having connected thereto a lifting rod 2 connected at its'lower end to a rocker arm 3 fast on a rocker shaft e, which also has fast thereon the bevel stand 5. The rocker arm 3 at one end has the usual pedal 6 and at the other end has a counterweight 7, all as in present standard construction.V The bevel stand has attached thereto the usual builder chain 8 which passes about a pulley 9 suitably journaled on the spinning frame and at its lower end connects to thc free end of the builder arm 10 which is provided with a pitman stand 11 carrying a pitman roller 11a' journaled thereon and adapted to be engaged and operated by a builder cam 12. This bulider cam is fast on a constantly rotated shaft 13 driven in the manner well understood in the art from the head of the spinning machine. In normal operation this cam, by engaging the pitman roller 11a on the pitman stand, raises and lowers the builder arm and thus, through the connection of chain 8 to the bevel stand, serves to roch the lever 3 up and down and to raise and lower the ring rail for laying the main service winding. In order that this motion may be interrupted sufficiently for winding a bunch on the bobbins preliminary to applying the main winding thereto, I provide, as means suitable to illustrate my invention the following mechanism which consists of a trip arm 14C mounted fast on a shaft 15 journaled in a bearing 16 and having fast thereon a depending crank arm 17 which is pivotally connected at its lower end to a latch rod 18, the free end of which passes through a guide 19 fast on the builder arm 10. The latch rod projects beyond the builder arm 10 in position to engage and stop a segmental gear 20 which is mounted to rotate freely on a stud shaft 21 mounted on the builder arm. This gear 2O is adapted, when released as hereinafter described, to mesh a gear 22 fast on the builder cam shaft 13. A. coil spring 24 is connected to a pin or stud in a corner of the segmental gear, the spring being so connected to the gear that when the gear has completed its mesh with the gear 22 and moved almost into engagement with the latch 18, the spring will have moved past dead center (see dotted lines Fig. 2) and will stand in position to swing the segmental gear back into mesh with the gear 22 upon the retraction of the latch pin 18. A. coil spring 26 engages the trip arm 1-l and holds the latter pressed forward towards the bevel stand and the latch pin pressed into gear engaging position. The bearing stand 16 is preferably fastened to base rail on to thefirst Sampson next to the head on the gear end of the spinning frame. The segmental gear 2O at its end nearest the spring stud is provided with additional teeth which are struck on a curve converging sharply towards the axis of the gear and these teeth thus permit the builder arm to move upwardly so as to bring the center of the shaft 21 above the line of pull Vof the spring and at the same time these end teeth 25 perform the important function of gradually and easily restoring the builder arm to the control of the builder cam by permitting the builder arm to rise slowly until its pitman roller 111l will be caused to engage the builder cam without a jump. In this connection it is important to note that it is immaterial what the position of the builder cam may be when the builder arm is released for engagement therewith.

After the builder cam has engaged the pitman roller 11L the

gears

20 and 22 will be out of mesh, the gear 2()l being held by the spring 24 against the latch 18 and the builder arm being free to move responsive to the builder cam 12 to apply the main winding. It is an important feature of my invention that the latch will not trip to release the gear 2O until the ring rail has moved to dofhng position, as by this means I can avoid any mis-placing or duplication of the bunehon a quill. Hence it is not important what element is used to trip the gear 2O so long as its automatic tripping will produce the above results. It could Vbe tripped by any element that moves with or responsive to the ring rail or with reference to which the gear 20 has relative movement, and it is to be noted that it is tripped automatically and will automatically reset itself.

When the yarn receivers have been fully wound and the operator desires to dof the frame, the pedal 6 is depressed and, after the builder arm has been rewound, the pedal is released so as to permit the ring rail to rise into position to start laying the yarn at the proper place on the feeler wood of the receivers. This pedal motion causes the bevel stand to engage and trip the arm 14 which retracts the latch 18, releases the segmental gear 20, and allows the spring 24 to draw the segmental gear 2() around into mesh with the f., gear 22. As long as the gear 2() is in mesh with the gear .22 the teeth on the gear 20, except teeth 25, being struck on the same center, will hold the builder rack in the same position, notwithstanding that the builder cam l has left the pitman roller 11a. This gives the requisite interval of rest to the builder rack to permit the winding of a bunch 28 on the feeler wood 29 of the bobbins. This interval is controlled by the number of teeth on the cam "i shaft gear 22. The smaller the diameter of gear 22 the greater will be the angle of its arc of engagement with the gear 20. The longer the interval of such engagement, the greater will be the length of the yarn Wound in the bunch. At the completion of such interval, which isV also controlled by the extent of the arc of engagement of gear 22 with the gear 20, the teeth 25 at the end of the gear 20, being struck on a decreasing radius,

.5 permit the builder arm to gradually rise until its pitman roller 11a again engages and comes under control of the builder cam, whereupon the main winding proceeds in normal course. This` in effect, Will cause the final windings which complete the bunch to be formed with a traverse in one direction which gradually merges into the service traverse. When the gear 22 releases the segmental gear the latch pin 18 will be in position to stop and hold it against the tendency of its spring 24 to move it around on its pivot into position to again engage the gear 22, since the bevel stand will have been moved to the right by the counterweight 7 on the release of the pedal 6. Upon 515 the next doiing operation the latch will be again released as above described and the spring 24 will throw the

gears

20 and 22 back into mesh.

In order to wind the most satisfactory It bunch on the bobbins it is desirable to give the builder arm a slight traverse motion during this winding operation and to this end the gear 20 is provided with groups of long teeth 30 alternating with a short tooth 31 which gives the slight rise and fall to the builder arm necessary to lay the yarn in a small tight bunch on the feeder wood of the bobbins. The co-acting bunch building elements are adapted be brought automatically into engagement during the doffing operation so that. upon starting up the machine the bunch will be` the builder arm and the yarn guiding means by the builder cam throughout the building of the-bunch, but should also prevent the action of the pick Wheel in letting off the chain to lower the ring rail as the let o motion will'tend to spread the bunch and displace the main windings so as to reduce yarn on the bobbin. At the conclusion of the Winding `of the bunch the let oif mechanism will again function andthe builder arm will be restored to the control of the builder cam, and the latter may place a winding over the bunch before laying a full traverse Winding on the bobbin. W'hen I refer to the engagement and disengagement of the bunch building elements as being automatic, I mean that the same shall respond to any normal functioning of the machine and shall not require the bunch building mechanism to be started or stopped as an individual operation by the attendant.

, Though I have described with great particularity the details of the embodiment of the invention herein shown, it is not to be construed that I am limited thereto, as Changes in arrangement and substitution of equivalents may be made by those skilled in the art without departing from the invention as defined in the appended claims.

Having thus described my invention, what I claim as new and desire to secure by Letters Patent, is 2.-

1. In a bunch builder attachment for spinning frames having a builder cam, a builder arm and yarn guiding means controlled thereby, co-acting elements adapted to ,be brought w into engagement and whiley engaged to act through the builder arm to intercept, While thek bunch is being wound, control of the yarn guiding means by the builder cam, and automatic means to engage and disengage said elements.

2. A bunch builder attachment in accordance with claim 1, in which the engaging ele- 'ment are gears, one rotatable with the buildning frames having a builder cam, a builder arm, a bevel stand and a'builder chain connecting the bevel stand and builder arm1 comprising a gear rotatable with the builder cam, a bunch builder gear adapted to engage and run out of mesh With said other gear, means to mount said bunch builder gear on the builder arm in such position that When engaged with the irst mentioned gear it interrupts the control ot the builder arm by the builder cam, and means to control the erigagement of said gears.

5. A bunch builder attachment for spinning trames in accordance with claim l, in which the gear control means comprises a latch movable responsive to a pedal control ling the bevel stand, and spring means to move the bunch builder gear into mesh when released by theV latch.

6. In a bunch builder of the character described, in combination, a builder cam, a builder arm, a bevel stand, a builder chain connecting the stand and builder arm, a gear rotatable With the builder cam, a segmental gear mounted on the builder arm, spring means tending to move said segmental gear into mesh with said first mentioned gear, latch means to engage and hold the segmental gear after it moves out of mesh with the first mentioned gear, and spring actuated mechanism, automatically responsive to the lowering of the builder arm to doit, l'or releasing said latch.

7. A bunch builder in accordance with claim 6, in Which said latch controlled means comprises a spring-pressed trip means connected to the latch and normally moved to set the latch, said trip means being disposed to be engaged and actuated to release the latch when `the bevel stand is depressed to. lower the ring rail to lowermost position.

8. A bunch built er attachment comprising, in combination with a builder cam shaft and bulider' arm ot a spinning trame, a gear mounted on the cam shaft, a segmental gear mounted on the builder' arm, spring means tending to move said segmental gear into mesh with the cam shatt gear, a latch to hold said `segmental gear out of mesh With said cam shajlt gear, and teeth at the end ot the segmental gear which approach cna decreasing radius towards the gear center to gradually restore the builder arm to the control Vof the builder cam.

9. A bunch builder attachment comprising, in combination with a builder cam shaft comprising co-acting elements adapted to Wind a bunch on the bobbins, and trip controlled means automatically responsive to an operation incidental to cloning the trame to bring said elements int-o engagement controlling the builder arm, said elements by their positive engagement being adapted to drive themselves out of co-operative relationship.

ll. A bunch builder for spinning trames according to claim l0, in which the trip means comprises a spring actuated stop movable into the path of one of said elements to hold it disengaged from the other, and a spring engaging said stopped element so as to be moved past dead cent-er When said element is stopped, said spring tending to draw said elements into operating engagement to Wind a bunch.

il. Winding machine, having, in combination, yarn guiding means, a builder arm connected thereto, builder cam Wihch acts through the builder arm to impart service traverse to the yarn guiding means, rotary toothed gear of circular contour, a segment pivotally mounted on the builder arm to string in direction longitudinally thereof into and out ot operative relation with the toothed gear and having a series of teeth, one portion o'f the series being at a greater radial distance from the asis of the segment than another portion of the series', that a bunch may be built With a iinal traverse that merges intoV the regular service traverse when the bunch is completed the segment is moved out of operative relation with trie gear.

13. A Winding machine, having, in combination, yarn guiding means, a builder arm connected thereto, a builder cam Which acts through the builder arm to impart service traverse to the yarn guiding means, a rotary toothed gear ot circular' contour, a segment pivotally mounted on the builder arm to swing in direction longitudinally thereof into and out oit operat've relation with the toothed gear and havin a series of teeth, one portion et the be ig at a greater radial `distance 'from the am@ oif the s" ent than another portion of the series, that a bunch may be builtA with tlnal traverse into the regular service traverse vbunch is con'ipleted and the outof operative relation i. the gear, and means rendered effective when the machine is stopped and the builder arm is depressed, for

fmoving the segment into operative relation .vith the gear that the bunch may be automatically built When the machine is again started.

le. In Vbuilder mechanism 'for spinning trames, builder cam, a builder arm normally 'controlled thereby, co-acting bunch building elements adapted to be brought into engagement and vvhile engaged to intercept control et the builder arm by said cam while the bunch is being Wound, one of said elements being mounted and bodily shiftable on the builder arm, and means automatically responsive to operations incidental to doi'iing the spinning frame for causing said elements to co-act and automatically wind the bunch when the machine is again started. K

l5. In a builder mechanismt'or spinning frames, a builder arm, yarn guiding means controlled thereby, and two separate control mechanisms, each having independent actuators concurrently driven throughout which act on the builder arm to control the yarn guiding means, the one adapted to build a bunch and the other to lay the main service Winding on the bobbins, means operative responsive to movement ot spinning machine parts incidental to the clotting and restarting operations to transfer the control of the builder arm from the main service winding control to the bunch building control, and means automatically operative to restore the control of the builder arm, after the bunch 'has been wound, back again to the main service winding control.

16. In a builder mechanism for spinning frames, a builder arm, yarn guiding means controlled thereby, and two separate control mechanisms which are synchronously driven from the frame cam shaft and act positively on the builder arm to impart traverse motion thereto only in the Ysame direction, the one adapted to build a bunch and the other to lay the main service winding on the bobbins, means operative responsive to a movement of spinning machine parts incidental to the doting and restarting operations to transfer the control of the builder arm, from the main service winding control to the bunch building control, and means automatically operative to restore the control of the builder arm, after the bunch has been wound, back again to the main service winding control.

17. In a builder mechanism for spinning frames, a builder arm, yarn guiding means controlled thereby, and two separate control mechanisms which act on the builder arm to control the yarn guiding means, the one adapted to build a bunch and the other to lay the main service windings on the bobbin, means operable responsive to movement of spinning machine parts incidental to the dofling and restarting operations to transfer the control of the builder arm from the main service Winding control mechanism to the bunch building control mechanism, and means automatically operative to restore the control of the builder arm, after the bunch has been wound, back again to the main service winding control, the bunch building control mechanism comprising engaging rotatable elements, one of which has a bunch building portion deformed to permit a gradual rise of the builder arm to restore it Without a ump to the control of the builder after the bunch has been wound, said co-' acting elements being gears, one of which has high and low teeth to give traverse to the bunch winding. l

19. In a bunch builder attachment for spinning frames having a builder cam, a builder' arm, and yarn guiding means controlled thereby, coacting elements adapted to be brought into engagement and while engaged to actthrcugh the builder arm, while the bunch is being Wound to intercept control ot the yarn guiding means by the builder cam, means to engage said elements responsive to a movement ot spinning trame parts normally incidental to dolting and means to eitect the disengagementV of said elements after the bunch has been wound, lsaid coacting elements being gears, one of circular and one of segmental contour.

20. In a builder mechanism for Winding machines, the combination of a buildercam and builder arm, yarn guiding means Aconnected to the builder arm, a bunch builder machine comprising an element mounted on the builder arm, a rotatable member which is engaged by said element during bunch building operation, and a controller means rendered elfective, when the machine is stopped and the builder arm is lowered, for moving the element into bunch building position for automatically winding the bunch when the machine is again started.

21. In a builder mechanism for winding machines, the combination ot a builder cam and builder arm, yarn guiding means connected to the builder arm, a bunch builder gear element pivotally mounted on the builder arm and having a bunch building portion in part of non-circular contour, a rotatable member which is engaged by the bunch builder portion ot' the gearV element during bunch building operation, said engaged parts being relatively movable into disengaged relation at the conclusion of the bunch building operation, and a controller rendered eilective,` when the machine is stopped and the builder arm is lowered, for moving the gear element into bunch building position for automatically winding the bunch when the machine is' again started.

22. In a builder mechanism for Winding .machines, a builder arm and builder cam,

yarn guiding means connected to the builder arm, combined with a bunch builder mechanism including a bunch builder segment loosely mounted on the builder arm and having a bunch builder surface, and a segment actuator for co-operating with the segi'nent to build a bunch with a plurality of windings.

23. In a builder mechanism for winding machines, a builder arm and builder cam, yarn guiding means connected to the builder arm, combined with a bunch builder mechanism including a bunch builder segment loosely mounted on the builder arm and having a bunch builder surface, and a segment actuator for co-operating with the segment to build a bunch with a plurality of windings with a traverse.

24. In a builder mechanism for winding machines, a builder arm and builder cam, yarn guiding means connected to the builder arm, combined with a bunch builder mechanism including a bunch builder segment loosely mounted on the builder arm and having a bunch builder surface, and a segment actuator for co-operating with the segment to build a bunch with a plurality of wind ings with a traverse which gradually merges into the service traverse.

,25.In a machine of the class described, yarn guiding means for guiding yarn to yarn receivers, a builder arm, a builder cam, combined with a wheel of circular contour rotatable in unison with the builder cam, a

Abuilder element pivotally mounted on the builder arm and having a bunch building surface formed of arcsof different radii and which is traversed by said wheel to build a bunch upon the yarn receivers and move said element to an inoperative position to permit the yarn to be then wound upon the receivers with regular service traverse.

26. In combination with a spinning machine comprising a pivoted builder arm, a rotatable cam shaft, a cam mounted on the saidshaft for actuating the said builder arm, a movable yarn guide, and means for con necting the said yarn guide and builder arm for actuating the same, of stroke reducing and AVcontrolling means comprising a spur gear secured. to the said cam shaft, a segmental gear mounted on the builder arm and adapted to move into and out of mesh with the said spur gear, andmeans for automatically shifting the said segmental gear into position to mesh the spur gear.

Q7. In combination with a spinning machine comprising a movable yarn guide, a

movable builder arm pivoted to the frame of the machine, a drive shaft, lneans mounted on the drive shaft for actuating the said builder arm, and mechanism interposed between the builder arm and guide rail for simultaneous operation thereof, of stroke reducing means comprising a spur gear mounted on the said `drive shaft, a segmental gear pivoted to the `out of engagement with the spur gear into position to mesh the spur gear.

29. In a spinning frame, a. drive therefor. a builder motion comprising a yarn guiding means, two independent actuating mech ani sms constantly driven by the frame drive and adapted to control said yarn guiding means, one for effecting the main or service winding and the other for winding a bunch on the yarn receivers, and automatic means for shifting the control of said yarn guiding mea-ns back and forth from one to the other of said actuating mechanisms.

30. In a spinning frame, a builder motion comprising a yarn guiding means, two independent actuating mechanisms adapted to control said. yarn guiding means, `one for effecting the main or service winding and the other ror winding a bunch on the yarn receivers, and automatic means for shifting the control of said yarn guiding means back and forth from one `to the other of said actuating mechanisms, the automatic control shifting means comprising a driven gear and a springpressed gear automatically shiftable into mesh with the driven gear to wind a bunch and out of mesh therewith to apply the main service winding.

3l. An apparatus of the character described, comprising a builder arm having an actuator cam, a bunch builder secured to the arm including a gear segment, teeth of irregu lar formation provided on said segment, and bunch builder gear concentrically arranged with respect to said cam and operatively engageable with the teeth of said segment.

32. An apparatus of the character described, comprising a builder arm having an actuating cam, a bunch builder secured to the arm including a gear segment, alternately arranged short and long teeth formed on said segment, and a bunch builder gear concentrically arranged with respect to said cam and operatively engageable with the teeth of said segment.

33. In a winding machine having a normally operative cam drive which acts on a builder arm to control the application of the main service winding with traverse on yarn receivers, the combination therewith of bunch building mechanism comprising co-acting driving and driven elements normally dis- Cri engaged, means to engage said elements re sponsive to some manipulation of the .vinding machine normally incidental to doiling it, said elements when engaged being adapted to hold the builder arm free of its cam drive and being adapted automatically to drive themselves out of engagement when the llay ing of the bunch has been completed.

34. In a yarn Winding machine, yarn guides, a cam drive, a control means for said guides normally driven by said cam te apply the main service Winding to yarn receivers` and means to interrupt said drive long eno ugh to build a bunch on the yarn receivers, said means comprising an annulus rotatable With said cam, and a pivoted element movable with said control means, means responsive to some normal manipulation of the Winding frame incidental to the doiiing thereof to shift the pivoted element into engagement With said annulus, said annulus and element comprising co-acting parts by means of which they are driven out of engagement and being adapted While engaged to hold the contr-ol means away from control by said cam.

35. In a bunch building mechanism for Winding machines, the combination of a builder cam and builder arm, yarn guiding means connected to the builder arm, a bunch builder mechanism comprising an element mounted to shift into and out of operative position on the builder arm, a rotatable member Which is engaged by said element While in its operative position yduring bunch building operation, and a controller means rendered effective, responsive to some normal manipulation of the winding machine inci dental to doing same, for moving theele-I ment into bunch building position for automatiea-lly Winding the bunch when the machine is again started, said element being driven into its inoperative position by its cngagement With said rotatable member.

36. In a bunch builder mechanism for spinning frames comprising co-acting elements adapted to control the builder arm and Wind a bunch on the yarn receivers, and means responsive to some normal operati-on incidental t0 doiiing the spinning frame to bring said elements into engagement, said elements be ing adapted to drive themselves out of engagement after causing the Winding et the desired amount of yarn in the bunch.

37. In a bunch builder mechanism for spinning frames comprising co-acting elements adapted to control the builder arm and Wind a bunch on the yarn receivers, and means responsive to some normal operation incidental to dofing the spinning frame to bring said elements into engagement, said elements beingadapted to drive themselves out of engagement after causing the Winding oit' the desired amount of yarn in the bunch, and said element-s being adapted by change in size to regulate the extent of their engagement and the length of yarn Wound into the bunch.

38. The combination in a spinning frame, of a cam driven yarn guiding means for the normal Winding operation, and a bunch builder mechanism composed of elements which when engaged interrupt the cam drive to said guiding means, said elements being engageable responsive to some operation incidental to dotling the frame and being adapted as they disengage to effect a gradual restoration free of jumps of the yarn guiding means to the control of said cam.

In testimony whereof I aliiX my signature.

HOMER H. HOLCOMBE.