US1739169A - Tube-frame-supporting chain for axminster looms - Google Patents

Description

A. P. PAINE Dec. 10, 1929.

TUBE FRAME SUPPORTING CHAIN FOR AXMINSTER LOOMS Filed June 5`. 1928 Patented Dec.` 10, 1929 'UNfran STATES imTi-:N'rf` OFFICE ARTHUR P. PAINE, OE WORCESTER, MASSACHUSETTS, SSIGNOR TO CROMPTON & KNOWLES LOOM WORKS, YOF WORCESTER, MASSACHUSETTS, A CORPORATION OF MASSACHUSETTS TUBE-FRAME-SUPPORTING CHAIN FOR AXMIINSTER LOOMS Application led June 5, 1928. Serial No. 283,044.

Thisinvention relates to improvements in AXminster loom chains and tube frames and it is thegener'al object Yof theinvention to provide a readily removable iingeron the transporting chain or tube frame to cooperate' with `'a complementarily formed attaching device on the tube frame. Y I

In my prior Patent No. 1,493,561 Irhave shown a transporting chain having a plurality of fingers or tongues secured permanently thereto to cooperate with locking plungers carried by the tube frames. It occasionally happens that a tongue or finger will become broken or :damaged to such'an ev# tent as to interfere with the proper operation of the tube frame, but as made according to my said patent it is rather difficult to remove and replace a damaged finger. It is a further object ofmy present invention to provide a tube frame supporting linger: which mayv be applied to a ychain in a ready and convenient manner to facilitate mill opera-tion.

There are a numberl of AXminster looms in use at the present time having the old style chains without tongues or fingers of any kind and in order to make it possible to use these chains it is a further object of my invention to provide a form of tongue which` may be ap plied to' existent chains tothe end that the latter may be'retained as operating parts of the loom. 1 l

It is amore particularobj ectV of my invention to providethe tongue or finger having provision for engagement with al chain link onV opposite sides thereof, the tongue or finger preferably having a pair of spaced chain link engaging 'elements the relative position of whichmay be changed slightly by the blow of .a hammer or similar implement so that the finger may be tted and held 'tightly to the chain link.V ,A

With these and other objects in view which will appear as the description proceeds.' my invention resides in t-he combination and ar,- rangement of parts hereinafter described and set forth in the claims. Y

In the accompanying drawings, wherein two forms of my invention are set forth.

Fig. l shows an end elevation of the lower portion of a pullover chain sprocket and tube frame having the preferred form of my 1invention applied thereto,

Fig. 2 is an enlarged vertical section on line 2-2 of Fig. 1 showing the parts in detached position, p

Fig. 3 is an end elevation looking in the direction of arrow 3, Fig. 2 showing-my improved form of linger in end elevation,

Fig. 4 is a detailed horizontal section on line 4-4 of Fig. 3,

Fig. 5 is a view similar to the upper portion of Fig. 3 but showing the modified form of the invention, and

Fig. 6 is a detailed vertical section on line 6 6 of Fig. 5.

Referring particularly to Figs. 1-4 I have shown a pulloverv shaft 10. and a chain sprocket 11 which cooperates with the transporting chain 12. It is to be understood that there will be one sprocket and chain ateach end of the loom and that the mechanism to be described hereinafter will be duplicated on both sides of the loom, and for this reason a descriptionv of the deviceas locatedv at one side of the loom will suffice to cover those located at the opposite side also. The transporting chain 12 is provided with double links 13 and single links 14, the sprocket 12 ordinarily having recesses '15 located adjacent the double links 13. c

The tube frame 16 may be made of. arhollow metal bar rectangular'in cross section and may have a bracket 17 secured thereto by means of screws 18. 4The bracket has an upwardly extending spool vbearing portion 1%, and guides the head or right rhand end as viewed in Fig. 2 of alocking plunger 21. The other or left hand end of the plunger as shown in Fig. 2 is guided. by a wall`22 formed as part of member 23 held to the vtube frame by screws 24. Said member 423 has a wall 25 spaced from the bracket 17 to denne a pocket ing down through the slot 28. Said clutch also has a tube frame supporting lip 31 and a stud 32 by means of which the clutch C may be rotated on the stud 29 as an axis. The stud 29 is supported by a transferrer arm 33, shown particularly in Fig. 1.

In operation, the head normally projects through the bracket 17 and into the opening 27 to hold the tube frame locked relatively to the finger on the transporting chain. When the tube frame is to be moved from the chain to tuft forming position, however, the clutch C will be moved inwardly so that the fin thereof will push the plunger backwardly to a position where it will be disengaged from the finger, after which the transferrer arm 33 can move downwardly to move the tube frame toward the fabric.

s The matter thus far described, except the form of the finger, is substantially the same as set forth in my aforesaid patent and certain details of construction shown but not completely described herein are set forth in my co-pending application Ser. No. 278,891,

filed May 18, 1928.

As previously stated my present invention relates more particularly to the form of the finger F and in carrying my invention into effect I provide the finger with a portion having a depending arm 41 which extends below one of the links 13. A screw 42 passes through arm 41 and the adjacent portion of the finger F, as shown clearly in Fig. 2. Said screw is preferably though not necessarily threaded into the arm 41 and is held tightly in position by check nut 43. The effect of said screw is to clamp the finger and arm 41 v tightly against the opposite vertical sides of the link 13 to position the lower end of the finger with respect to the length of the tube frame.

' In order that the position of the finger in a plane perpendicular tothe axis of the tube frame may be determined I provide said finger with a pair yof oppositely extending ears v44 which as shown particularly in Fig. 4 may be inclined somewhat as at 45 to the body of the finger F. f Said ears extend under the link 13 as shown in Fig. 3 and cooperate with the U-shaped upper part of the finger to grip the chain link and position the finger.

I prefer to make the finger of pressed metal such as sheet steel in which case the ears can be bent relatively to the finger so that the latter will be fitted and held tightly to the chain link. 13. If desired, -I may form the finger with the ears purposely a little higher than is desired so that they may be forced downwardly a proper distance to effect proper fit with the link 13.

In the modified formof the invention illustrated in Figs. 5 and 6 I have shown means by which the finger may lbe heldl tightlyV to the link 13 in such away as to prevent improper movement of the finger in a plane perpendicular to the axis of the tube frame. As shown particularly in F iv. 6 I strike from the upper end of the finger F a lug 50 which is offset from the body of the modified form of finger and projects upwardly between the links 13. Another portion of the finger F extends upwardly in a straight line from the body of the finger and is provided with an inclined surface 51 which cooperates with a collar 52 having an inclined surface 53. A screw 54 extends through the arm 50 and the upward extension of the finger F and also the collar 52, being held tightly in position by a check nut 55.

The parts of the modified form of finger will be so designed that the lower edge of the screw 54 will engage the upper portion of the adjacent link 13 with the collar 52 disposed upwardly with respect to the inclined surface 51. When the screw is tightened in place v the surface 53 of the collar 52 will move downwardlylalonor the surface 51 to clamp the link 13 and finger F together tightly. In the modified form of the invention I may use ears 56 which are similar in purpose and construction to the ears 44 of the preferred form of the invention. In the modified form of the invention, however, it will ordinarily not be necessary to alter the location of the ears 56 as the adjusting of the parts to effect correct fitting is brought about by thel cooperation of the inclined surfaces on the finger F and collar 52. Y

From the foregoing it will be seen that I have provided a simple form of readily detachable and lreplaceable finger which has Contact with the chain link at a plurality of points so that the finger is held tightly in position relatively tothe transporting chain links 13. It will further be seen that by removing either of the screws 42 and 54 the ngers may be removed either for repair or replacement. It will further be seen that the ears which extend under the links 13 effectively position the finger and in the case of the preferred form of the inventionafford ready means for causing close fit between the fingers and the transporting chain.

Having thus described my invention it will be seen that 4changes and modifications may be made therein by those skilled in the art without departing from the spirit and scope of the invention and I do not'wish to be limited to the details herein disclosed, but what I claim is:

1. In an Axminster loom, a transporting chain, a tube frame having a pocket, a finger permanently connected to the chain'under normal conditions and effective to enter the Y pocket, said finger having portions to engage fac chain, a tube frame having a pocket, a finger permanently connected to the chain under normal conditions and eective to enter the pocket, said finger having portions to engage opposite sides of the chain, and detachable means to hold said portions of the finger against the opposite sides of the chain, said detachable means being independent of the chain.

8. In an Axminster loom7 a transporting chain, a tube frame having a pocket7 a finger permanently connected to the chain under normal conditions and effective to enter the pocket, said finger having a bent back portion defining two substantially parallel parts of the finger which lie on opposite sides of the chain, and means independent of `the chain to clamp said parts against the chain.

. 4. In an Axminster loom, a transporting chain, a tube frame having a pocket, a finger permanently connected to the chain under normal conditions and effective to enter the pocket, said finger having one end thereof bent back on itself to define a pair of substantially parallel spaced portions between which extends the chainJ and detachable meeans independent of the chain extending through said portions and clamping the same tightly to the chain.

5. In an Axminster loom, a transporting chain having a double link formed of two members, a tube frame having a pocket, a finger permanently connected to the chain under normal conditions and keffective to enter the pocket of the tube frame and having a portion extending between the members of the double link and detachably but rigidly secured to one of said members.

6. In an Axminster loom, a transporting chain having a double link formed of two members, a tube frame having a pocket, a finger permanently connected to the chain under normal conditions and having one portion to enter the pocket of the tube frame and having another portion to extend between the members of the double link, and means to detachably but rigidly secure said fingers to one of the members of the link.

7. In an Axminster loom, a transporting chain having a double link formed of two members, a tube frame having a pocket, a finger permanently connected to the Chain under normal conditions and having one portion to enter the pocket of the tube frame and having another portion to extend between the members of the double link, and means to detachably but rigidly secure said finger to one of the members of the link, said means being independent of the chain.

8. In an Axminster loom, a transporting chain having a double link formed of two members7 a tube frame having a pocket, a finger having one portion to enter the pocket of the tube frame and having another portion bent back on itself to define a pair of spaced substantially parallel parts, one of said parts extending between the members of the double link, and detachable means passing through both of said parts to hold said finger rigidly to the double link.

9. In an Axminster loom, a transporting chain, a tube frame having a pocket, a finger permanently connected to the chain under normal conditions and effective to enter the pocket, said finger having a portion for attachment with the chain, said portion including a pair of spaced ears to extend from the finger and engage one side of the chain, said finger including a bent-over portion to extend around the chain and engage that side of the chain opposite'the ears, and detachable means extending through the 'bent-over portion of the finger and independent of the chain to hold said finger to the chain.

l0. In an Axminster loom,a transporting chain, a tube frame having a pocket, a finger permanently connected to the chain under normal conditions and effective to enter the pocket, said finger having a pair of oppositely extending ears to lie under a portion of the transporting chain, said finger having another part to extend over the same portion of the chain, and means to hold the finger detachably to the chain7 said part which extends over the chain, and the ears which extend. under the chain, serving to position the finger relativelyto the chain.

1l. In an Axminster loom, a transporting chain, a tube frame having a pocket7 a finger permanently connected to the chain under normal conditions and effective to enter the pocket, said finger having a pair of oppositely 'extending ears to lie under a portion of thc transporting chain, said nger having another portion to extend over the same Yportion of the chain, and means'v to hold the finger detachably tothe chain,V said portion which extends over the chain and the ears which extendunder the chain serving to position the finger relatively to the chain, said ears being bent out of the plane of the finger to extend under the chain.

12. In an Axminster loom, a transporting chain having a link with substantially vertical parallel walls, a tube frame having a pocket, a finger pe 'manently connected to the chain under normal conditions and having a portionto enter the pocket and having another portion to cooperate with the link, said other portion having spaced parallel parts which lie on opposite sides of the link and on difhaving a pocket7 said finger permanently connectedv to the chain under normal conditions and having one portion to enter a pocket and cooperate therewith to support the tube frame and having another portion formed With substantially parallel spaced parts to engage op posite sides of the chain.

14. A finger for an AXminster loom transporting chain to cooperate with a tube frame having a pocket, said finger permanently connected to the chain under normal conditions and having one portion to enter the pocket and cooperate therewith to support the tube frame and having another portion formed with substantially parallel spaced parts to engage opposite sides of the chain, and a clamping member extending between said parts to clamp the latter against the chain.

l5. A finger for an AXminster loom transporting chain to cooperate with a tube Jframe having a pocket, said finger permanently con nected to the chain under normal conditions and having one portion to enter the pocket and cooperate therewith to support the tube frame and having another portion formed with substantially parallel spaced parts to engage opposite sides of the chain, said finger having integral therewith oppositely extending fingers to engage one side of the chain to position the finger relatively to the chain.

1G. A finger for an Axminster loom transporting chain to cooperate with a tube frame having a pocket, said finger permanently con-- nected to the chain under normal conditions and having one portion to enter thel pocket and cooperate therewith to support the tube frame and having another portion formed with substantially parallel spaced parts to engage opposite sides of the chain, said finger having integral therewith oppositely eX- tending lingers to engage one side of the chain to position the finger relatively to the chain, said lingers being bent out of the plane of the finger to lie under the chain.

17. yA finger for an AXminst-er loom transporting chain to cooperate with a tube frame Y having a pocket, said linger permanently .con-

nected to the chain under normal conditions and having one portion to enter the pocket and cooperate therewith to support the tube frame and having another portion formed with substantially parallel spaced parts to engage opposite sides of the chain, that portionv of the finger which engages the chain being bent back on itself to define said parallel parts. l Y

VIn testimony whereof I have hereunto affixed my signature. y

ARTHUR P. PAINE.

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