US1941413A - Spool - Google Patents

Description

Dec. 26, 1933. A. E. PAIGE 1,941,413

I SPOOL Filed July 12 1933 wa /V7022:

Patented Dec. 26, 1933 UNITED STATES SPOOL Arthur E. Paige. Philadelphia, Pa., assignor to Hightstown Rug Company, Hightstown, Del., a corporation of Delaware Application July 12, 1933. Serial No. 680,043

6 Claims. (01. 242-124) My invention is particularly applicable to spools for holding warp yarns in Axminster looms and of the type in which the core of the spool is formed of wood and the end flanges on the core are formed of metal disks each having a metal trunnion, formed by a gudgeon, in coaxial relation with the core and extending into the latter; one of said gudgeons being cylindrical and fitted to be journaled in a bearing in the loom, and the other having means, such as a diametrical flange or slot, to be rotatably engaged by means for controlling the rotary movement of the spool. Ordinarily, such a spool core has a groove in its circumference extending from end to end thereof parallel with its axis in registry with holes in the end disks, so that when the ends of the yarn are wrapped in a single convolution around the core, said ends may be secured in position by a rod extending over them in said groove arid engaged in the holes in said disks at the opposite ends thereof. Ordinarily, the end disks are primarily fixed in coaxial -relation with the core by spikes on the disks which are driven into. the wood at the ends of the core. However, the relative torsional stresses to which the end disks and their connecting cores are subjected ultimately twist the disks on the cores and split the latter with thespikes.

Therefore, it is the object and effect of my invention to provide means for engaging the end disks-with the cores capable of so engaging the core as to prevent the core splitting under such relativetorque stresses. 1 1 I As hereinafter described, the essential feature of my invention is the provision of metal keys of U-shaped form, having their bights extending I parallel with the axis of the spool core and set in recesses in the circumference of said core at respectively opposite ends thereof with the key bights extending through the spooland disks and with one bifurcation of each key extending out-' side of its disk radially past the axis thereof and the other bifurcation of each key extending into the core past the axis thereof; said keys being clamped in engagement with an axially extensive radial section of the core by respective screws extending through both bifurcations of said keys.

Each of said screws which is threaded at its inner end in engagement with the bifurcation of the' key extending in thecore has at its outer end a head extending ,beyond the other bifurcation; The heads of said screws, which are hereinafter termed gudgeons, are of respectively different forms at the opposite ends of said spool, one head having means for engaging other means for controlling the turning of the spool in the loom and the otherhead being provided with a trunnion .adapted to bejournaled in the loom to support the spool in rotary position.

My invention includes the various novel features of construction and arrangement hereinafter more definitely specified.

In said drawing, Fig. I is a diametrical sectional view-of the axially opposite ends of a spool conveniently embodying my invention;

Fig. II is an end elevation of the left hand end 'of the spool shown in Fig. I, showing the gudgeon by which the spool is turned. I

Fig. III is an elevation of the right hand end of the spool shown in Fig. I, showing the gudgeon which is merely a journal for the spool.

Fig. IV is a cross sectional view of the core, taken on the line IV, IV in Fig. I, in the direction of the arrows on said line. 1

Fig. V is a cross section of the wooden core intermediate of its length.

In said figures, the spool core 1 has the groove 2 in the circumference thereof extending parallel with its axis throughout its length. Said core is provided with circumferential'flanges at its opposite ends by the respective disks 3, which are alike and which have spikes 4 projecting inwardly therefrom into engagement with the ends of the core 1; said spikes being conveniently formed in unitary relation with the respective disks 3 by metal punched from the triangular openings 6 in said disks. Each of said disks has a rectangular opening 7 thus held in registry with the respectively opposite ends of said groove 2 and adapted to receive the opposite ends of the rod 8 which are detachably fitted in said groove as aforesaid. Y

Each of the keys 10 is of U'-shaped form, as indicated, with their bights fitted in opposite ends of the groove 2 in said core 1, with its bight extending through its disk 3. Each of said keys ,10 has at its outer end a flange 11 extending radially inward in contact with the outer face of the respective disk 3, and has a circular opening 12 therethrough in coaxial relation with the opening 13 in the disk to receive the respective shanks 15 of the screw gudgeons 16 and 17, each of which has, at itsinner end, a reduced screw threaded portion '18 for engagement with respective inwardly turned nut flanges 19, on the key, which are fitted in radial openings 20 in said core. Said flanges 19 each include a doubledportion of the sheet metal of the respective key, to afiord a longer threaded portion than a single thickness of said metal; but may be otherwiseformed. 110

Said keys are each thus clamped in engagement with an axially extensive radial section of the core by the respective screw gudgeons 16 and 17 extending through both bifurcations 11 and 19 of said keys. Such construction and arrangement are advantageous, as compared with providing the gudgeon screws with nuts which are separate from the keys, in that the inner ends of the keys are thus positively held in stationary position with respect to the core 1 and thus prevented from accidental outward displacement by any stress upon the outer ends of the keys.

Said gudgeon 16 has the head 22 bearing against the outer surface of the flange 11 and provided with diametrical slots 23 in crossed relation to receive any suitable means for turning it. The gudgeon 17 has a head 25 with a cylindrical trunnion 28 thereon to be journaled in a suitable bearing in the loom frame.

It is to be understood that the relative torsional stresses between the end disks 3 of the spools and their cores 1 are dissipated throughout the length of said keys 10 so that rupture of the spool ends by twisting movement of the spikes 4 is avoided.

However, I do not desire to limit myself to the precise details of construction and arrangement herein set forth, as it is,obvious that various modifications may be made therein without departing from the essential features of my invention, as defined in the appended claims.

I claim:

1. A spool for warp yarns in an Axminster loom, comprising a wooden core with a groove in the circumference thereof extending from end to end thereof parallel with the axis of said ,core, for detachably receiving a rod for holding the yarn on the spool; circumferential yarn retaining flanges on said spool at the opposite ends thereof formed by respective metal disks in coaxial relation with said core; each of said disks having an axial opening and an eccentric opening for registry with said groove in the core; means for holding said disks in coaxial engagement with said core, including projections extending from said disks into the opposite ends of said core; respective keys for engaging said core with said disks, each consisting of a single piece of metal of U- shape form having its bight extending parallel with the axis of the spool core in said groove and through the local spoolend disk and with one bifurcation extending outside of said disk radially past the axis thereof and the other bifurcation extending into the core past the axis thereof; means for' clamping each of said keys in engagement with an axially extensive radial section" of the core, including respective screw gudgeons at opposite ends of said core extending through said disks and key bifurcations; each of said screws being threaded at its inner end in engagement with the bifurcation of the key extending in the core; each of said screw gudgeons having a head exterior to its disk, one of said heads having means for engagement with means to control the rotation of the spool, and the other of said heads having an axial trunnion for supporting the spool in rotary position.

2. A spool for warp yarns in an Axminster loom, comprising a wooden core with a groove in the circumference thereof extending from end to end thereof parallel with theaxis of said core, for detachably receiving means for holding the yarn on the spool; circumferential yarn retaining flanges on said spool at the opposite ends thereof formed by respective metal disks in coaxial relation with said core; each of said disks having an axial opening; respective keys for engaging said core with said disks, each consisting of a single piece of metal of U-shape form having its bight extending parallel with the axis of the spool core in said groove and through the local spool end disk and with one bifurcation extending outside of said disk radially past the axis thereof and the other bifurcation extending into the core past the axis thereof; means for clamping each of said keys in engagement with an axially extensive radial sectionof the core, including respective screw gudgeons at opposite ends of said core extending through said disks and key bifurcations; each of said screws being threaded at its inner end in engagement with the bifurcation of the key extending in the core; each of said screw gudgeons having a head exterior to its disk, one of said heads having means for engagement with means to control the rotation of the spool, and the other of said heads having an axial trunnion for supporting the spool in rotary position.

3. A spool comprising a solid core; circumferential retaining flanges on said spool at the opposite ends thereof formed by respective metal disks in coaxial relation with said core; each of said disks having an axial opening and an eccentric opening; respective keys for engaging said core with said disks, each consisting of a single piece of metal of U-shape form having its bight extending parallel with the axis of the spool core in a recess in the circumference of the core, and through the local spool end disk and with. one bifurcation extending outside of said disk radially inward past the axis thereof and the other bifurcation extending into the core past the axis thereof; means for clamping each of said keys in engagement with an axially extensive radial section of the core, including respective screw gudgeons at opposite ends of said core extending through said disks and key bifurcations; each of said screws being threaded at its inner end in engagement with the bifurcation of the key extending in the core and having a head exterior to its disk.

4. A spool comprising a core; circumferential retaining flanges on saidspool at the opposite ends thereof formed by respective metal disks; each of said disks having an axial opening and an eccentric opening; respective keys for engaging said core with said disks, each consisting of a single piece of metal of U-shape form having its bight extending in a recess in said core and through the local spool end disk and with one bifurcation extending outside of said disk radially past the axis thereof and the other bifurcation extending into the core past the axis thereof; means for clamping each of said keys in engagement with an axially extensive radial section of the core, including respective screws at opposite ends of said core extending through said disks and key bifurcations; each of said screws being threaded at its inner end in engagement with the bifurcation of the key extending to the core.

5. In a spool, the combination with a core; of disks forming retaining flanges at the opposite ends of said core; keys eachconsisting of a single piece of metal of U-sliape form having its bight extending parallel with the axis of the 145 spool core .in a recess in the circumference of the latter and through the local spool end disk and H with one bifurcation extending outside of said disk radially inward past? theaxis thereof and the other bifurcation extending into the core 15 inner end in engagement with the bifurcation of the key extending in the core.

6. A spool as in claim 5, wherein the screws have heads exterior to their respective disks and respectively formed to serve as journals for rotation of the spool. ARTHUR E. PAIGE.

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