US556705A - Edward s - Google Patents

Description

E. S. STIMPSON. LOOM SHUTTLE.

(Modem No. 556,705. Patented Mar. 17,1896.

UNITED STATES PATENT FFlCE.

EDlVART) S. STIMPSON, OF HOPEDALE, MASSACHUSETTS, ASSIGNOR TO THE DUTC I-IER TEMPLE COMPANY, OF SAME PLACE.

LOCNl-SHUTTLE.

SPECIFICATION forming part of Letters Patent NO. 556,705, dated March 17, 1896.

Application filed August 6, 1895. Serial No. 558,368. (ModeL) To all whom, it may concern:

Be it known. that I, EDWARD S. STIMPSON, of Hopedale, county of lVorcester, State of Massachusetts, have invented an Improveinentin Loom-Shuttles, of which the following description, in connection with the accompanying drawings, is a specification, like letters on the drawings representing like parts.

Self-threading shuttles for looms are now usually constructed with a slot through which the thread is led to the usual eye in the side of the shuttle. hen such shuttles are used in automatic looms provided with devices for supplying fresh filling to the shuttle when the previous filling is nearly or quite exhausted, the thread must guide itself into the slot by reason of its position as it is drawn off from the end of the filling-carrier or bobbin. It frequently happens that the thread thus led into the slot will slip or fly out again before it has passed under the spur or projection which is intended to guide it to the side eye, and this invention has for its object the production of means for guarding or confining the thread while in line with the threadingslot, so that it cannot accidentally escape therefrom before passing about the guide projection or spur.

Figure 1 is a top view of a shuttle embodying my invention. Fig. 2 is an enlarged perspective view of the eye end of the shuttle, showing the thread as confined by the guard, and Fig. 3 is an enlarged detail in side elevation of a portion of the shuttle adjacent the thread-eye.

The shuttle-body A, shown as entirely open at its upper and lower sides, has a filling-carrier or bobbin B supported or held therein in suitable manner, (see Fig. 1,) and the shuttlebody is cut away beyond the tip of the fillingcarrier to receive therein a thread-guide block a, longitudinally slotted at a to receive the thread after it has entered the thread-eye, the block having a vertical face a and an inclined face a converging to the said slot to direct the thread thereinto as it is drawn off from the end of the filling-carrier. At that side of the guide-block having the inclined face a the spur or projection a is formed to guide the thread in usual manner along the passage formed by the shuttle-body and the edge a of the guide-block to the usual thread-eye l) in the side of the shuttle.

Now when the thread if is drawn off from the end of the filling-carrier, in line with the slot a, it frequently slips or flies out of the slot before it has been guided to the threadeye I), and to prevent this I have provided a thread-guard, shown as a shelf 0, bent or curved downward at c" and overhanging the entrance to the guide-slot a, the lower edge of the guard approaching closely the inclined face (0 while permitting the thread to pass easily thereunder to the slot a.

In Fig. 2 the thread if is shown as above and in line with said slot, but confined by the overhanging guard in such manner that it cannot fly or slip out of position, the guard maintaining it in line with the slot a to properly enter it and be guided by the spur or projection a to the thread-eye b. The rear edge a of the spur-base is inclined forward and downwardly, the shuttle-body being similarly shaped at d and extending slightly below the spur-base at d, making a better construction of the parts, whereby the thread cannot become wedged or caught between the two parts, as the pull of the thread over the downwardlyinclined edge draws it away from any possible crack or crevice between the wood and metal.

Shrinkage of the wood will cause a crack, which, by catching the thread, might cause a great deal of trouble.

The shuttle is herein shown as adapted for holding the filling-carrier or bobbin; but my invention is notliinited to such construction, as the self-threading devices described may be applied to any loom-shuttle without departing from the spirit an d scope of my invention.

l claim- 1. A shuttle having a slot substantially in the plane of the longitudinal axis of the filling-carrier, into which the thread from the said carrier is led, longitudinally-extended and laterally-converging faces to direct the thread into the slot, and a downturned guard overhanging the entrance to the slot and approaching the inclined face, to prevent the escape of and confine the thread in position above the slot before it passes to the threadeye, substantially as described.

2. A loom-shuttle having a slot through therefrom to the side eye, and a downturned Which the thread is led to be guided to the guard longitudinally extended above the slot. eye of the shuttle, an inclined face to guide to receive and retain the thread in position to 15 the thread into the slot, and a guard overenter the slot, substantially as described.

5 hanging the slot and downturned toward the In testimony whereof I have signed my guide-face to receive the thread and prevent name to this specification in the presence of its escape before it passes'to the eye, substantwo subscribing witnesses.

tially as described. x i a A loom-shuttle having a side eye and EDVARD STIMPbOh' IO thread-guide block, a longitudinal thread- \Vitnesses:

receiving slot in said block, a spur or projec- FRANK J. DUTCHER, tion at one side of said slot to guide the thread HENRY LAWRENCE.

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