US1759392A - Cop holder - Google Patents

Description

meten May 4ze '1936 f UNITED STATES ERNEST A. DE WOLF,- OF GBANSTON, RHODE ISLAND, ASSIGNOR T UNIVERSAL FIND-A PATENT OFFICE ING COMPANY, OF BOSTON, MASSACHUSETTS, A CORPORATION OF MASSACHUSETTS COP VHOLDER Application led April 11,

This invention relates to improvements in cop-holders for supporting cops, cones or packages of yarn, thread and other strand material to deliver the same for various pur- 5 poses in the textile art. i

Azprincipal object of the invent1on 1s to provide a cop-holderv for 'use on creels or other supply stands for holding the cop, cone or package to adapt the strand material to draw off therefrom over its end and provided with instrumentalities forI preventing the strand from catching on the opposite' vend o the package to impede its delivery. j

' A .particular object of the invention is to provide means in the nature of a guard adapted to bear against' theend of the cone or package in close contact therewith'to prevent the strand fromslipping down over the edge of the package and catching across the end thereof. v

A further object of the invention is to proy vide for the automatic operation of the contact means or guard to adapt it to adjust itself to the end of the package at the peripheral ed e thereof and to constantly maintain it bearing thereagainst throughoutthe unwinding of the material from the full package down to its tube or support.

Further objects of the improvements are 3o set forth inthe following specification which describes a preferred form of construction yof the inventionV as illustratedl by the accompanying drawings. In the drawings: f

Fig. 1 is a side view of the improved copholder showing it with a conical cop or package applied thereto;

Fig. 2 is a detailed view of the cop-holder with the cone and its tube shown thereon in section, and also lillustrating the contact de- 40 vice or guard in section;

and guard taken on line 3-3 of Fig. 2; and

Fig. 4 is an end view of the holder showing the guard or contact device with a portion of its'pad broken away.

The present improved cop-holder in its referred form comprises means adapted to e inserted into the cop-tube or carrier to support the cop or package ixedly thereon and a guard or contact device sldable longitudinal-- Fig. 3 is a sectional view of the cop-holderA 1928. Serial I0. 269,165.

ly-of the axis of the holder to adapt it to adjust itself against the end of the package at the outer peripheral edge thereof and to paratus with which it is used. The ball-end 4 of the hub 3 is 4adapted to fit Within the cavity of a concavo-convex socket 5 forming a part i of or attached to an armr orbracket on the creel or other apparatus. A saucer-shaped washer 6 is seated against the rear of the bearing 5 and a bolt 7 extends through an enlarged axial opening 8 in the hub 3 and bearing 5 andalso through a hole in the washer with a nut 9 on its end for clamping the parts together. By releasing the nut 9 the cop-holder 2 may be adjusted at its balland socket joint to aline its axis with the tension-device or any point to which the yarn is to draw or deliver.

In the form of construction of the device as. herein shown the cop-holder 2 is adapted for use with tapered or conical yarn packages and this purpose the portion which enters the cop-tube is made tapering. Conveniently, it may comprise a plurality of ribs or blades 10 projecting radially from theend hub 3 and e tending forwardly in inclined relation to a apt their peripheral edges to ft within the interior of the conical cop-tube c von which the cop or cone C is wound. As herein shown the cop-holder 2 has three ribs or blades 10 see Fig. 4, to provide for a threepoint bearing within the interior of the cop-tube c lso that the package may be properlycentered thereon and" held in place by the -frictional` engagement of the ribs with the interior of the paper or fiber tube. The ribs 10 are joined to-l gether at their forward ends by means 'of a central hub -11, with the whole forming a skeleton structure 'which is lightinY weight yet rigid and strong for the purpose intended.

J As beforel stated; the present improvement relates particularly to means for vengaging the base end ofthe cone or package at the 'peripheral edge thereof to guard against the strand of yarn or thread sliding off over this end of the package and catching thereon to impede or prevent free delivery of the material. In the referred form of construction as herein illustrated the protector or guard 4is embodied in a concavo-convex plate or flange4 v -or secured by stitches 17 passing through' holes in the plate.

The plate or flange 15-is carried on a spiderlikemember 20 supported from .a sliding bearing extendin axially of the holder 2. As a convenient orm of construction I provide a rod or stud 21 having a head 22 at one end and threaded at its opposite end to screw through an axial hole in the hub lat the forward end ofv the holder 2. A nut 23 Y is screwed onto the end of the rod 21 to lock it in place. The support or spider 20 for the guard flange or late 15 is constructed with a central hub 25 ored axially toreceive the rod 21 to adapt the Ahub to slide thereon.

Three equidistantly spaced arms 26 extend radially from the hub 25 in alternate relation i with the ribs or blades 10 on the holder 2.

formed with crooks or reverse bends terminating in lugs orbearings 27 against the front lof which the plate is secured. The flange or plate 15 may be fastened to the arms 26 by rivets or split pins 28 inserted through holes in the plate and in the lugs 27 with their ends bent over' as shown in Fig. 2.

It has been stated that the spider-member 20 is slidable axially of the cop-holder 2 on the stud 21, and resilient means are provided for urging it forwardly toward the apex end of the holder. Such means may comprise a helical spring 29 coiled around the hub 25 of the spider and extended axially thereof with its opposite end bearing against the head 22 of the stud 21. y

Having now described a preferred form of constrution and arrangement of the im-v proved device in detail its method of o ration will next be ex lained. Fig. 3 il us- 'trates the cop-holder with its parts innormal relation before the packa e 1s placed there-v on, the ard flange 15 ing pressed for- ,ward un er the actlon of its spring 29. The

cone or package C is placed on the holder 2 by sliding its tube c over the ribs or blades 10 and crowding it back thereon to causethe peripheral edges of the ribs vto engge fricfV tionally with the interior of the tu Usue concaved face of the `outer edge.

axis in inclined relation to the horizontal, as illustrated in Figs. l and 2, so that there will be no tendency for the Weight of the package to cause it to slide off. In other cases the holder may be set with its apex end inclineddownwardly', and with this arrangement a suitable spring detent or grippingdevice, not herein shown, is employed to secure the cop-tube in place.

As the cone-tube c is forced backonto the cop-holder 2 the base end of the cone C will come into contact with the felt pad 16 to force the guardv flange 15 back with its spidermember or support 20 sliding on the rod 21.

`This causes the spring 29 to be compressed,

as shown in Fig. 2, whereby it will maintain the guard plate or ila-nge pressed firmly in contact with the base of the cone at the outer peripheral edge thereof. It will be noted ally, thecopholder` 2.v is arranged Yits that lthe plate or iiange 15 is dished or concaved to such an extent that the pad 16 will bear with its greatest pressure against the outer edge of the cone, although the resiliency of the pad causes it to conform to the base of the cone throughout a considerable portion thereof. In winding packages of the present type and also other forms of yarn cops the ends sometimes assume a more or less convex contour and the shape varies considerably with different varieties of textile material. That is to say, the base of the package may bulge to a greater or less extent in accordance with the character of the maA terial being wound, it being well known that silk, rayon and glazed yarnsl have a greater tendency to bulge at the ends'of the packages than is the case with soft cotton yarns. With the present im roved device wide variations 1n the form o vthe base of the package are provlded for by the dished shape of the guard plate or flange 15 which is so designed as to accommodate itself thereto-and to invarlably contact with the outer edge of the base. As the yarn winds off from the package or cone C and the bulge at the base of the packageis reduced the guard plate is-automatically adjusted in p osition to follow the contour of the end of the package so as to be malntained constantly pressed against its That is to say, the spring 29 functlons not onl to maintainthe guard plate bearing on t e base at the start of the unwlnding operation, but it also operates to automatlcally slide -the plate to maintain its added face in contact with the rim of the izo ase when the material has been unwound llas) 10 therefore be delivered at a high rate of speed with a more uniform tension of deliveryand without waste from broken ends. The device is particularly adapted for use on creels in which a large number of packages orv employed for delivering yarn, thread or the like to a wrapper or balling machine and its use greatly increases the speed of the process while eliminating broken ends and frequent piecing up. lVhile I have herein described and' illustrated the device in a preferred embodiment it is to be understood that various modifications may be made in the construction and arrangement of its parts without departing from the spirit or scope of the invention. Therefore, without limiting myself in this respect, I claim:

1. In a device of the type specified, the

` combination of a holder provided with a plurality of radially projecting ribs adapted for insertion into the interior of a cop-tube to hold the cop in place, a member slidable axially of the holder and provided with radial arms, a spring to slide said member, and an f annular flange carried on the arms of said member to adapt it to be pressed into contact with'the end of the cop under the action of the spring.

2. In a device of the type specified, the combination of a holder comprising a plurality of radially disposed longitudinally extending ribs adapted for insertion into the interior of the cop to hold it in place, a rod. extending axially of the ribs, a member slidable on said ro'd and provided with radial arms, a spring for sliding the member, and an annular flange carried on the arms of said member and adapted to be pressed against the end of the cop under the action of the spring.

`3. In a device of the type specified, the combination of a holder provided with a plurality of radially disposed ribs joined together at their ends, a rod extending axially of the holder, a spider-member slidable on the rod and provided with arms arranged in alternate relation -With respect to the ribs of the holder, a4 spring for sliding the spidermember on the rod, and annular flange carried at the outer end of the arms of the spidermember, and a pad of resilient material on the face of said flange adapted to be pressed into contact with the end of the cop under the action of the spring. Y

4. In a deviceY of the type specified, the

combination of a hollow holder adapted to receive a cop, cone or package of strand material, a rod extending axially of the holder, a member having a hub slidable on the rod and provided with rearwardly extending arms, an annular flange carried at the end of the arms, and a spring for sliding the member on the rod to press the flange against the end of the cop or package supported on the holder.

5. In a device of the type specified, the combination of a skeleton holder adapted to support a cop, cone or package, a rod extending axially within the holder, a spider-mem'- ber having a hub slidable on the rod and provided with arms extending rearwardly from the hub and radially outward beyond the sides of the holder, an annular flange secured .to the ends ofthe arms surrounding the holder, and a spring for sliding the spidermember on the rod to press the flange against the end of the cop or package supported on the holder.

6. In a device of the type specified, the combination of a cop-holder constructed with opposite hubs having radial ribs extending longitudinally therebetween, a rod extending from one of the hubs axially withinA the holder, a spider-member having a-hub slidableon the rod and provided with arms extending radially between the ribs of the holder, an annular flange supported from the arms of the spider-member and a spring for sliding the spider-member to press the flange against the en'd of the cop or package held on the holder.

7. In a device of the type specified, the combination of a cop-holder comprising a hollow ribbed framework, a rod extending axially withinthe framework, a hub slidable on the rod and provided with radial arms extending outwardly beyond the framework, an annular flange supported from said arms, an abutment on the rod, and a spring encircling the rod between the abutment and the hub to adapt it to slide the latter to press the flange against the end of the package.

' In testimony whereof I hereunto aflix my signature. ERNEST A. DE WOLF.

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