US2395522A - Textile apparatus - Google Patents

Description

Peb.26,1946; P, J, THOMAS i 1 2,395,522

TEXTILE Arrmrus Filed spti 2, 1944 s sheets-sheet 2` m w. f M

Feb. 26, 1946.1 P. J. THOMAS 2,395,522

TEXTILE APPARATUS Filed Sept. 2,-1'944 6 Sheets-Sheet 5 Feb. 26; 1946. PgJ. THOMAS. i 2,395,522

y TExTLE APPARATUS Filed Sept. 2; 1944 6 SheetS-Sheelt 4 fla--5.. V. g Z3 g z5". 9 Y 68a Z2- Z0 M Tl E; E- j/ LA; j 5

.\.. y WW Feb. 26, i946.

P. J. THOMAS 2,395,522

TEXTILE APPARATUS Filed Sepl.. 2, 1944 6 Sheets-Sheet 5 i 1:1 E-.lf

3mm/n: I

Feb. 26, 1946.. p, 1 THQMAS 2,395,522

TEXTILE APPARATUS Filed Sept. 2, 1944 1:1 E- ,ZZ

I e sheets-sheet s Patented Feb. 26, 1946 UNITED STATES PATENT oFFlcE TEXTILE APPARATUS Pacific J. Thomas, Wyoming, Pa., assignor Yto U. S. Textile Machine Company, Scranton, Pa.,

a corporation of Pennsylvania Application September 2, 1944, Serial No. 552,534

- Claims. (Cl. Z4Z 37) This invention relates to ltextile machinesV of the yarn winding and twistingtype adapted to provide so-called headless yarn packages hav- 4 ing a tapered or inclined end construction; and

the novel improvements herein disclosed more particularly constitute a continuation-impart of the subject-matter of my co-pending application Ser. No. 520,337, filed January 29, 1944.

One object` of my invention is to provide a novel textile machine of the referred to type which embodies certain structural and functional 'fea' tures of advantage over similar machines of theprior art.

, Another object is to provide such a machine having novel and improved yarn feeding means for applying the yarn to the cops, or other yarn receiving devices.

A further object is to provide such a machine in which the said yarn feeding means performs Another object is to provide such a machine i in which the stroke of the yarn feeding element is controlled by the progressive variation in the diameter of the yarn receiving device or cop, and in which the mechanism provided for this purpose functions in novel-manner and is adjustably arranged to achieve maximum precision of operation.

It is also an object to provide such a machine in which the yarn feeding mechanism includes a novel and-simple motion translating means in the form of a cam device which can be adjusted without disturbing its connections.

Another object is to provide such a machine i which the said cam device is adapted to attain certain advantageous results in novel manner,

and which can be variously controlled to effect the performance of its intended function.

A still further object is to provide a yarn feeding mechanism of the indicated type, which can be readily applied to a modern yarn winding and,

detailed description of the practical and illustrative' embodiments of my novel improvements shown in the accompanying drawings, the invention comprises the novel elements, features of construction and arrangement of parts in cooperative relationship, as more particularly dened by the hereto appended claims.

Referring to the drawings:

vFigure 1 is a partial front elevational View of certain well-known parts of a standard yarn winding and twisting machine having one form of my invention applied thereto.

Fig. 2 is a fragmentary front elevational detail View of certain elements which are partly obscured in Fig. 1.

Fig. 3 is an enlarged elevational sectional view taken substantially as indicated by the arrows 3--3 on Fig. 2.

Fig. 4 is a top plan view of Fig. 1.

Fig. 5 is an enlarged horizontal sectional view,

taken substantially vas indicated by the arrows 5 5 on Fig. 2. Y' y Fig. 6 is an elevational sectional view,'taken substantially as indicated by the arrows 6-6 on Fig. 1, however, with certain parts added which are not disclosed in Fig. 1.

Fig. 7 is an enlarged detail sectional view, taken substantially as indicated by the arrows 1 1 on Fig. 1,

Fig. 8 is a view similar to Fig. 6, but shows cerj having a modified form of my invention applied thereto.

Fig. 13 is a plan view of Fig. 12, certain parts being broken away and others omitted.

Fig. 14 is a view similar toFig. 6, but of the modified form of my invention.

Fig. 15 is a fragmentary elevational sectional view, on4 an enlarged scale, taken substantially as indicated by the arrows |5l5 on Fig. 12.

In the drawings only those parts of a standard or conventional yarn winding and twisting ma.-

chine of the up-twister" type are shown as are necessary to a disclosure and understanding of hereof, reference may also be had to thefollowins U. S. Patents:

Number Date Inventor P. I. Thomas. Royal Little et al. Royal Little et al.

Oct. 14,1941 Oct.l 14,1941 Oct. 14,1941

` Inthe embodiment of my invention-shown in Figs. 1 to 11 inclusive, the usual and well-known parts of eachindividual unit of the yarn winding i and twisting machine include a yarn supply spool 25, mounted on and rotated with a twister spindle 26, and a take-up roll, cop or device 22 which is operated by direct frictional engagement' with roll 22 in yielding operating contact with the driving drum 23.

The bar 42, yarn guide 25, yarn breakage de.- tector element 26, and certain associated devices partly shown in Figs. 1, 4, 6 and 8, are arranged to form a'stop motion mechanism corresponding with the stop motion mechanism fully disclosed vin myy above noted Patent No. 2,258,914, to which reference may be had for a complete expositionl of the construction, arrangement and operation thereof. Whenvtheyarn Y breaks, or runs out,

the yarn detector element 26 of this mechanism is permitted to move so as to effect-release of the` bar 42 for movement forwardly, or to the left-in Figs. 6 and 8, thereby to eliminate the action of spring 4l on frame 32 as previously explained,

and, under the influence of compression spring take-up device 22 thereupon promptly ceases.

a driving drum 23. In accordance with standard practice, the twister spindle 2l and 'driving drum 23 are continuously rotated in propel-'direction at predetermined twisting and winding speeds.-

'The 'yarn Y is drawn upwardly from the s pool 2G, through yarn guides 24 and 25, through a yarn breakage detector element 26, over a ilxed guide member 2l, through a yarn guide or feeding element 28, to the surface of the take-up roll 22.

The yarn guide member 2l is provided at its ends with enlargements or collars 21a having hooks 2lb. The yarn feeding element `28 is reciprocated by a traversing rod 29 extending lengthwise of the machine and guided for movement in4 a multi 31, the frame 32 is then forced to swing forwardly .to an extent breaking the driving` contact between the roll 22 and the drum 23. Rotation of the The forward end of the bar 42 is provided with a finger knob 55 for convenient resetting of the bar 42 and spring 4|, so that the stop motion mechanism may. function as before.

Cooperatively combined with the previously described elements andy mechanisms are novel means for controlling the stroke of theyarn feed ele ment 28 to effect winding fof successive layers of yarn Y on the take-up cop or cylinder 22 in such manner that the yarn and cop will form a sopiicity of roller bearings 3i, as determined by the usual traversing rod operating mechanismvnot shown. Determined reciprocation of the yarn guide element 28 by stroke control means hereinafter described, eects the laying of the. yarn Y on the take-up roll 22 in desired order.

The take-up roll 22 is provided, as usual, with trunnions 22B which are adapted to be seated for stationary machine frame member 35. A spiral compression spring 3l is interposed between a called headless yarn package having tapered ends of desired angular inclination, .substantially as shown in Fig. 9. Such means` generally comprise a trackmember 4d, a carriage 45,`a plunger 46 the upper end of which is pivotally connected with the track member 44 by a pin 4l, and the lower extremity or tip lof which cooperatively rests on the upper iiat surface of an inverted U-shaped arm 48 pivotally connected at 49 to the swingable frame 32. The plunger is freely slidable vertically in a bearing or guide 5 I formed in or otherwise associated with a stationary macup-shaped extension or projecting member-33 on the bearing bracket 35, and a similar but inverted cup-,shaped extension 39 projecting rearwardly from the lower end ci` frame 32. This arrangement causes the spring 3l to urge the supporting l frame 32 and devicev 22 to move forwardly, or'in` a direction away from the driving drum 23. `IIow ever, this tendency ofmovement ofthe frame 32 ,is normally counteracted 'and overcome by the force of a relatively stronger spiral tension spring 4i, one endl of which is anchored to an extension 42* at the rear end o f a :dat slide bar 42, and the,

other end of which springis-'connected to a stud 43 extending through an elongated slot 42b in the bar 42 and fixed in a side section of the frame .32. The spring 4l is tensionallyarranged between lthe stud 43 Aand extension 42' in such manner as to normally maintain the take-up vchine beam 52.

An intermediate vertically extending reinforced section'l of the track member 44 is pivotally mounted to aiord tilting action of the latter, in the upper bifurcated end of a shouldered bolt 53,A by a stud screw 54, and the bolt 53 is xedly secured tov the stationary machine beam 52, as clearly shown in Fig. l0. A horizontally extending ange 44h of thetrack member 44 ser/vesv as a runway for a roller 55 secured for free rotation to the carriage 45, and the latter is pivotally connected by a shouldered stud rivet 5l with a bracket 58 fixed to the traversing bar 29, as clearly shown in Fig. 3. Y

In o rder that the rol1er56 may be constantly maintained in cooperative relation with the runway ilange 64b of the track member 44, a spring wire 59 is lcoiled about the shouldered stud rivet'57, one end of which wire rests on an extension 60 of the bracket 58, and the other end of which wire rests on the upperedge of. the carriage 45, as more particularly shown in Fig. 5. By this ar- ."rangement the spring wire 59 exerts a downward pressure on the portion of the carriage 4.5 to

the left (Fig.,5) of its pivotal connection'with the bracket 58, thereby maintaining the roller 56 in constant engagement with the runway flanged.

pin 62 the ends of which are turnably supported in bearing anges 83 of the carriage. This ar-l -`m*take-up roll or device 22, so that when placed in active position, to the right of pin 62 (Figs. 6 and 8) `the element 28 will lean against the yarn receiving surface of the bobbin, and will be maintained in such position by the force of gravity acting on the element 28 and its mounting plate 6|. The upper feeding end of the velement 28 is rounded and arranged to directly rest against the take-up roll 22, or the yarn receiving surface thereof established by the successive yarn layers as the winding ofthe yarn proceeds. Since the element 28 will at all times be positioned to the right of the pivot pin 82, during a particular yarn winding operation or cycle (Figs. 6 and 8), contact of the element 28 with the yarn receiving.

surface of the take-up roll 22 will beconstantly and automatically maintained during such cycle by the action of gravitational force exerted on the parts as previously explained. Of course, if desired, a spring may be connected to the plate 6| and carriage 45 in such manner that the spring will either supplement, or serve the same purpose as the gravitational force.

The left end of the track member 44 (Fig. 2)

is arranged to be urged or biased upwardly by means of a spring actuated plunger device shown more particularly in Fig. 11. This device comprises a socket 65 secured to a plate or bracket 65n which is xedly connected to the frame 52, a spiral compression spring 66, and a plunger 61 the upper end or head of which is provided with a suitable slot in which slidably rests a portion of the reinforced or venlarged vertically extending edge section 44EL of the track member 44. The said spring actuated device functions to yieldingly force the tip of the cam plunger 46, located at the other end of the track member 44, against the upper surface of the front end of arm 48. y

A cam element 88, of similar inverted U-shaped cross-sectional configuration as the arm 48, is adjustably mounted in the lower front section of the arm 48. The rear end of the element 68 is pivotally secured to the arm 48 by a screw stud 69, and the 'bottom edges of the side members or legs of the element 68, .at their front end, form two correspondingly inclined cam edges 68a which are adapted to rest on and cooperate with a roller 10 rotatably secured in the U-shaped section of a bracket 1| fixed to the stationary machine frame member 52. .LA cam adjustment screw 12 extends through, and has threaded engagement with, an aperture 13 in the upper front wall section of the arm 48, and the lower end or tip of said screw is in contact with the upper front wall section of the cam element 68. A lock nut 14 is provided on the screw 12 and is arranged to secure the screw in adjusted position.

Y/ Since the arm 48 moves in unison withthe swingable frame 32 on which the device 22 is mounted, the cam element '68 is moved in correspondence with the forward motion imparted to the frame 32 by the progressive increase in the diameter of the cop 22 when one yarn layer after another is applied to it by the yarn feed element 28. The similar cam edges 68a of the cam element 68 are so designed and arranged that the gradual forward movement imparted to the lat.

ter in the indicated manner, 'will eifect a correspondingly progressive lowering of the plunger 46, as the edges 88 move over the roller 10, with the result that the track member 44 is tilted by an incremental amount suiclent to properly vary the stroke of the yarn feeding element 28 as required in order that the yarn package ends be given the desired degree of taper or angular inclination. arrangement described is so precise, that the development of so-called cross-overs of the yarn 'at the package ends cannot occur under normal circumstances.

Since standard or conventional yarn. winding and twisting machines of the type herein referred to usually comprise a long frame structure alongboth sides of which are arranged duplicate rows of similar machine units, it will be understood that the machine or apparatus of my invention is similarly provided with the usual complement of corresponding units of the type previously described. Also, that these units are collectively operated in accordance with prior artv practice by the usual means and in the usual manner wellknown to those skilled in this art.

Operation When starting a yarn package, the end of the yarn Y is wrapped around a fresh or empty takeup roll or cylinder 22, in usual manner, and .the latter is then mounted in its bearing elements 32. at the upper end of the swinging frame 32. The bar 42 is then moved rearwardly by manual pressure on the knob 55 until the springv 4l is under the tension required to placethe take-up roll 22 in driving contact with the drum 23, and the previously referred to stop motion mechanism is set for operation in accordance with the disclosure of my said Patent No. 2,258,914. The various elements and mechanisms will then be cooperatively related substantially as shown in Fig. 6.

Rotation of the yarn supply spool 20 and driving drum 23, as usual, effects procedure of the yarn Winding and twisting operation. As the successive yarn layers on the take-up roll 22.

move the' upper end of the swinging frame 32 laterally away from the drum 23, the arm 48 and cam element 68 will be simultaneously moved forward, with the result that the plunger 4 6 will be gradually and progressively lowered in correspondence with the upper surface of the front end of arm 48, as determined by the vaction of cam edges 68 traveling on the freely rotatable but stationarily mounted roller 18. 'This motion of the plunger 46 is directly transmitted to the track member 44 through the pin connection 41, and the track member 44 is consequently tilted from its initial horizontal-position by an amount as determined by thedesign of the cam roller 58 along the runway 44h of track member 44, back and forth, therebycorrespondingly moving the yarn feed element 28 at the upper end of the plate 6| which is pivotally connected with the carriage 45. As the angle of tilt of the track member 44 increases, the stroke of the yarn feed element 28 is shortened, or decreases by an incremental amount at each end. 'I'his will become more apparent by reference to Fig. 9, which depicts the carriage 45 and the yarn feed element 28 at the extreme ends of their stroke to the right and left, at the time that the takeup roll 22 is substantially supplied with its in- The said action attained by the' driving drum 23, so that rotation of the roll 22 ceases.

It is to be noted that during the winding operation, the'yarn feed element 28 is continuously in direct leaning contact with the surface to which the yarn is applied, and that the yarn is consequentlyguided to its eXact point of application at all times during the active functioning of the machine. 'I'his feature, in conjunction with the means for progressively varying .the stroke of the yarn feed element in direct correspondence with the total thickness, or diameter, of the yarn layers applied to the takeup roll 22, results in the same precise yarn applying action under varying conditions, such as a change in operating speed of the machine, or

change in the denier of the yarn wound on the a device 22.

It is also to be particularly noted that the arm 48,.cam element 68, roller 10, adjustment screw 12, plunger 46, and the parts cooperatively associated therewith, collectively provide a simple, eiiicient and effective means or arrangement for precisely and automatically controlling the stroke of the yarn feed element 28 in direct correspondence with the progressive change or increase in diameter of the yarn take-up device 22. Furthermore, that =play or lost motion resulting in time from wear between certain of these parts can be quickly and easily compensated for by the'adjustment screw 12, which is readily accessible for adjustment from the front of the machine. In other wordsfthe screw 12 Vfacilitates the establishment-and maintenance of an exact relationship between the angular position of the track member'M' and the cam edges 68, without necessitating the disturbance of any connections of the cooperating parts of the cam device.

M odfications In accordance with the second form of my-invention disclosed in Figs. 12, 13, 14 and 15 of the drawings, a modified-form of cam means or device ls substituted for that disclosed in Figs. 1 to 11 inclusive. Since the apparatus is otherwise the same, the previously described parts Awill be designated by the same reference characters to avoid repetition of 4their description.

As clearly shown, the saidjsubstitute cam device comprises an arm 15, which takes the place I of the arm 48Vof the previouslydescribed mechanism, and has associated therewith av longitudinally slidable cam element 16. The arm 16 is pivotally secured to the swingable frame 32 by a pin 11,-and has a slot 16 in its upper wall. In shape and size, the arm 15 corresponds substantially with the arm 48.

The cam element 16 vis substantially'the same in configuration las theA cam `element 68, and comprises cam edges 16* which correspond lsubstantially with the cam edges 68 of the cam'68,

a slot or aperture 19, andan abutment or cam slide stop extension 8|, adapted to' cooperate withl the pin or stud 11 on which the arm 16 v is pivotally mounted. The cam slide 16 is cooperatively associated with the arm 15 in telescopic manner for free reciprocating movement f in a longitudinal direction within the connes of the side and top walls of the arm 15, as clearly shown in Figs. 12 and 15.'

The abutment extension 6l serves to prevent unintentional disconnection or dislodgmentfof the cam slide from the arm 15, when it carries out its forward movement, and is arranged to stop such movement of the slide 16 when the extension 8| abuts the pin 11.

The cam slide 16 is actuated by a curved extension 82e of a substantially rectangular frame 82, which latter is pivotally connected between the bifurcations 32*ab of the swinging frame 32 by two screw ,studsl 83. The upper end of the frame 82 has transversely mounted between the side members thereof a-freely rotatable roller 84 in turn contactingly arranged intermediate the-driving drum 23 and the take-up' roll 22. This arrangement of the roller 84 results in transmission of the rotary movement of the driving drum 23 to the take-up device 22.

A spring wire 85 is coiled about a side extension of frame 82, adjacent one of the screw studs 83, as clearly :shown in- Figs. 12 and 14, one end of Iwhich wire is hooked about/the frame 82 and theother anchored on the adjacent leg 32 of the swingable frame 32. This arrangement of the spring wire 85 urges the frame 82 to swing forwardly (to the left in Fig. 14) `so as to constantly Amaintain the roller 84 in yielding contact with the take-up bobbin 22.

The lower end of the curved extension t2a passes through the elongated slot 18 in arm 15, and .through the aperture 19 in the cam slide 68. The aperture 19 is of such shape and size as to permit the extension 82a to freely move therethrough vertically, duringfits changing angular position, and in such manner that the iront and vrear edge surfaces of the extension 829' may cooperate with the front and rear wall surfaces of the aperture 18, so as to establisha close fitting sliding connection between the extension 82a and s the cam element16. The extension 82B, during the time that'the swinging frame 32 moves or tilts forwardly, has a composite movement consisting` of the same forward movement-as the frame 32',

at the point of location of the screw studs 83, andv a slight vertical movement, as determined by the,

gradual changein location of 'the roller 84 relative to the center'of take-up dev ice 22, when the latter increases in diameter due to'the winding of yarn thereon. This composite movement is taken into account in 'connection with the design and arrangement of the cam edges 165,'so that the movement imparted to the plunger 4 6 is thesame as that imparted thereto by the cam' means of Figs. l to 11 inclusive.

From the foregoing description it will be apparent that the cam device or arrangement disclosed in Figs. 12 to 15 inclusive, accomplishes the same result as the cam means or arrangement of Figs. 1

to 11 inclusive. Consequently, that eithe;` of the two disclosed cam devices may be utilized, as desiredv and considered best in connection with the embodiment-of my invention Ain textile machines as herein exemplified. ,u y y Of course, other changes and modications than those yspecifically shown and described can be made without departing from the invention .l herein disclosed and more particularly defined by the hereto appended claims.

I claim: 1. A textile apparatus of the character described comprising, 'a movable mounting, a yarn receiving device rotatably supported on said mounting, a yarn feeding element arranged to contactingly move along the yarn receiving surface of said device, tltable track means, carriage means arranged to travel on said track means, means connecting said element with the carriage means, and a cam device arranged to determine the angle of tilt of said track means.

2. A textile apparatus of the character de scribed comprising, a movable mounting, a yarn receiving device rotatably supported on said mounting, a yarn feeding element Aarranged to lean against and move along the yarn receiving surface of said device, tltable track means, carriage means arranged to travel on said track means, means connecting said element with the carriage means, and an adjustable cam device arranged to determine the angle of tilt of said track means.

3., A textile apparatus of the character described comprising, a movable mounting, a yarn receiving device rotatably supported on said mounting, a yarn feeding element arranged to lean against and move along the yarn receiving surface of said device, tltable track means, car- -riage means arranged to travel on said track means, means connecting said element with the carriage means, and a cam device connecting said movable mounting and the track means which device is arranged to determine the angle of tilt of said track means.

4. A textile apparatus of the character described comprising, a movable mounting, a yarn receiving device rotatably mounted on said -mounting a yarn feeding `elementarranged to lean against and move along the yarn receiving surface of said device, tltable track means, carriage means arranged to travel on said track receiving member rotatably supported on said mounting, a yarn feeding element arranged to contactingly move along the yarn receiving surface of said member, tiltable track means, carriage means arranged to travel on .said track m'eans,` means pivotally connecting said element with the carriage means, a device having. one end portion `thereof connected with said movable mounting and provided with cam means at its other end, and means cooperatively connecting i said track means and device so as to eiect ltilting of the track means as determined by the action of the device.

8. A textile apparatus of the character described comprising, a movable mounting, a yarn -receiving member rotatably supported on said mounting, a yarn feeding element arranged to contactingly move along the yarn receiving surface of said member, tltable track means, carriage means arranged to travel on said track means, means connecting said element with the carriage means, a device having one end .portion thereof pivotally connected with said movable mounting and Vprovided with adjustable cam means at its other end, and motion translating means cooperatively connecting said track means and device and arranged to tilt the track means as determined by the action of the device..

9. A textile apparatus of the character described compri-sing, a movable mounting, a yarn receiving member rotatably supported on said mounting, a yarn feeding element arranged to contactingly move along the yarn receiving surmeans, means connecting said element with the carriage means, and an adjustable cam device connecting said movable mounting and track means in such manner that adjustment thereof can be effected without disturbing its connections.

5. A textile apparatus of the character described comprising, a movable mounting, a yarn receiving device rotatably supported. on said mounting, a, yarn feeding element arranged to lean against and move along the yarn receiving surface of said device, tltable track means, carriage means arranged to travel on said track means, means connecting said element with the carriage means, a cam device connected with said movable mounting, and motion translating means cooperatively connecting said track means and cam device and arranged to tilt the track means as determined by the action of the cam device.

6. A textile apparatus of the character described comprising, a movable mounting, a yarn receiving device rotatably supported on said mounting, a yarn feeding element arranged to contactingly move along the yarn receiving surface of said device, tltable track means, carriage means arranged to travel on said track means, means connecting said elementwith the carriage means, a camdevice connected with said movable mounting and operative transversely relative to the track means, and motion translating means cooperatively connecting said track means and device and arranged to tilt the track means as face of s'a'id member, tltable track means, carriage means arranged to travel on said track means, means connecting said element ,with the carriage means, a device'having one end portion thereof pivotally connected with said lmovable mounting and provided with adjustable cam means at its other end arranged to move transversely of the track means, and means cooperatively connecting said track means and device so as to effect tilting of the track means as determined by the action ofthe device.

10. A textile apparatus ofthe character described comprising, a movable mounting, av yarn receiving device rotatably supported on said mounting, a yarn feeding element arranged to contactingly move along the yarn receiving surface of said device, tltable track mean's, carriage means arranged to travel on said track means, means connecting said element with the carriage means, a stationary frame member on which the track means is pivotally supported, spring actuated means supported on said ,frame and arranged to bias the track means in oneI direction, a cam device pivotally connected ,with said; movable mounting and arranged to have transverse sliding engagement with the 4frame member, and means cooperatively connecting said track means and cam device and arranged to tilt the track means as determined by the action of the cam device.

11. A textile apparatus ofthe character described comprising, a movable mounting, a yarn receiving device rotatably supported 'on said mounting, a yarn feeding element arranged to contactingly move along the yarn. receiving surface of said device, tltable track means, carriage means arranged to travel on said track means, means connecting said element with the carriage means, a stationary frame member on which the track means is pivotally supported, spring actuated means supported on said frame 'member and arranged to bias the track means in one direction,

a roller associated with said frame, a cam device pivotally connected with said mounting and having a straight portion and a cam section arranged in transverse sliding engagement with said roller, means cooperatively connecting said track means and said straight portion of the cam device so as to effect tilting of the track means as deter mined by the action of the cam device, and adjustable means adapted to vary the distance-between said straight portion and the cam section.

12. A textile apparatus of the character described comprising, a source of yarn'supply, a movablemounting, a yarn receiving device rotatably supported on said. mounting, a driving drumv in contacting connection with the yarn receiving device, a yarn feeding element arranged 16. A textile apparatus'of `the character described comprising, a movable mounting, a yarn receiving device lrotatably supported on said mounting, a driving drum, a yarn feeding element, longitudinally tiltable track means, carriage means arranged to travel on said track means, means connecting said element with'the carriage means, a cam device arranged to determine thev angle of tiltof the track means, a freely rotatable roller arranged in contacting relationship intermediate the yarn receiving device and driving drum, and a frame pivotally supported on to contactingly move along the yarn receiving surface of said device, tiltable track means, car'- riage means arranged to travel on said track means, means connecting said element with the carriage means, a cam device arranged to determine the angle of tilt of said track means, and means arranged to eiect disconnection of the yarn receiving device from the driving drum upon I `interruption of the yarn moving from the yarn movement of the cam4 device in correspondence i with variation in the diameter of the yarn receiving device.

14. A textile apparatus of scribed comprising, a movable mounting.,- a yarn receiving device rotatably supported on said mounting, a driving drum, a yarn feeding element, longitudinally tiltable track means, carriage means' arranged to -travel on said track means, means connecting said element with the carriage means, an adjustable cam device arranged to determine the angle of tilt of the track means, rotary means cooperatively positioned intermediate the yarn receiving device and driving drum, and a lever cooperatively connecting said rotary means, movable mounting and cam device so that the lever will effect movement of the cam device in correspondence with variation in the diameter of the yarn receiving device.

15. A textile apparatus of the Acharacter described comprising, a movable mounting, a yarn receiving device rotatably supported on said mounting, a driving drum, a yarn feeding element, longitudinally tiltable trackmeans, carriage means arranged to travel on said track means, means connecting said element with the carriage means, a cam device-arranged to determine the angleof tilt of the track' means, a freely rotatable roller arranged in contacting relationship intermediate the yarn receiving device and driving drum, and means pivotallysupported on said movable mounting which means is cooperatively connected with said cam device and said roller so as to effect movement of the cam device in correspondence with variation in the diameter of the yarn receiving device.

' scribed comprising, a movable mounting, a yarn ence with variation in the said movable mounting which frame is arranged to carry saidgroller and has an extension in slid-v ing engagement with said-cam device so as to effect movement of thecam device in corresponddiameter of the yarn receiving device. 4

17. A textile apparatus of the character described comprising, a movable mounting, a yarn receiving device rotatably supported on said mounting, a driving drum, a yarn feeding ele ment, longitudinally tltable track means, carriage means arranged to travel on said track means, means connecting said element with the Acarriage means, a cam device arranged to determine the angle of tilt of the track means, a freely rotatable roller arranged in contacting relationship intermediate the yarn receiving device and driving drum, and lever means pivotally supported on said movable mounting one end of which is provided with a cam surface in sliding `engagement with said cam device and the other end of which is adapted to support said roller.

18. A textile apparatus of the character described comprising, a movable mounting, a yarn receiving device rotatably supported on said mounting, a drivingA drum, a yarnA feeding element, longitudinally tiltable track means, carriage means arranged to travel on said track means,

- means connecting said element with the carriage the character demeans, an adjustable cam device one end of which is pivotally connected with said movable mounting and the other end of which is arranged to movetransversely relative to saidvtrack means, means cooperatively connecting said cam device and track means, a freely rotatable roller arranged in contacting `relationship intermediate the yarn receiving device and drivingy drum, and lever means pivotally supported on" said movable mounting one end of which is provided with a cam surface arranged to cooperate with a slotted portionof said cam device and the other end of which is adapted to support said roller.

19. A textile apparatus of the character described comprising, a source of yarn supply, a movable mounting, a yarn receiving device rotatably supported onsaid mounting, a driving drum, a yarn feeding element arranged to contactingly move along the yarn receiving surface of said device, tiltable track means, carriage means ar-V ranged to travel on said track means, means connecting said element with the carriage means, a cam device arranged to determine-the angle of tilt of said track means, rotary means contactingly associated with the yarn receiving device and driving drum, ymovable means cooperatively connecting said rotary means, movable mounting and cam device soI as to effect movement of the cam device in correspondence with variation in the diameter of the yarn receiving device. and

means arranged to effect disconnection of the yarn receiving device from the rotary means upon interruption of the yarn moving from the yarn j -supply to said yarn feeding element.

20. A textile apparatus of the character described comprising, a source of yarn supply, a movable mounting, a yarn receiving device rotatably-supported on said mounting. a driving drum, a. yarn feeding element arranged to lean against and move along the yarn receiving surface of said device, tiltable track means, carriage means arranged to travel back and forth on said track means, means pivotally connecting said element with thecarriage means. a cam device arranged to determine the angle of tilt of said track means, a freely rotatable roller contactingly positioned between the yarn receiving device and driv- 19 to said yarn feeding element.

PAcrif'ic: J; THOMAS.

Images