US17267A - Improvement in hook-temples for looms - Google Patents

Description

UNITED STATES PATENT OFFICE.

VARREN lV. DUTOHER AND GEORGE DRAPER, OF MILFORD, MASSACHUSETTS.

HVIPROVEMENT IN HOOK-TEMPLES FOR LOOMS.

Specification forming part of Letters Patent No. '7,262 dated May 12, 1857.

To all whom it may concern:

Be it known that we, WARREN W. DUTCHER and GEORGE DEAPEE, ofMlford, in the county of Worcester and State of Massachusetts, have invented an Improved Hook'- Temple for Looms; and We do hereby declare that the same is fully described and represented in the following specification and the accompanying drawings, of Which- Figure 1 is a top view of our said temple as it appears when its hook-jaw is parallel to the support-plate, to which it is hinged. Fig. 2 is a top view exhibiting the hook-jaw raised into a position about at right angles to the support-plate. Fig. 3 is a longitudinal section of the support-plate and hook-jaw. Fig. a is a transverse. section taken through the spring below the support-plate. Fig. 5 is an ,inner side elevation of the temple and the breast-beam to which it is applied.

In the drawings, A represents the stationary jaw or support-plate of the temple, the same being applied to an adjustable bracket B by means of a slot a and a confining-screw h. This adjustable bracket turns on a journal c of a spring C, which extends from the breast-beam, (shown at D,) the bracket being fastened to the journal by means of a setscrew d. Acting in connection with the said spring is a lever E, which plays horizontally upon a fulcrum or screw pin e, projecting from a bracket f, fastened to the breast-beam. One arm of the lever extends upward behind the spring and at a shortdistance from the j awplate A, while the other arm projects in front or in advance of the spring, as shown in the drawnigs.

The hook-jaw or hook-plate is represented at F and as hinged to the stationary jaw or support-plate A in such manner as to enable the said hook-jaw to be turned up into or out of parallelism with the stationary jaw. From the hinged part of the movable or hook jaw a cam or projection o extends and works against a spring g, arranged under and fixed to the support-plate, the said cam being so formed as to enable the spring to hold the hook-plate either down into parallelism with the supportplate or above it at any required angle. Ranges of hooked teeth h 7L are applied to or made to project from the under side or lower surface of the hook-jaw.

For the purpose of enabling the cloth to be seized by said teeth the stationary jaw-plate as ordinarily constructed is usually furnished with a rib t', arranged so as to be directly in rear of each range of teeth, the same being as shown in Fig. 3. In addition to these rear ribswe arrange a cloth-bender or supplementary rib ,7c infront of the front range or set of teeth, causing the same to extend up from the stationary jaw-plate in manner as shown in Figs. 3 and 4. This serves to hold the cloth up to the-front portions of the roots of the front set of teeth and enables the stationary hook-temple to operate to much better advantage than it otherwise would.

By applying the hook-plate to its rib or support plate, so that it can he raised oft the same, we are enabled to readily introduce the selvage of the cloth between the two, or we can as readily remove it therefrom when occasion may require, and this without the necessity of disturbing the connection between the jawplate, or either of them, and their spring C. We are also able to either place the cloth in or remove it from the temple without that danger of tearing or breaking its threads which exists in various other hook-temples now in use, and wherein both jaws are stationary, practically speaking. W'hile the lay is beating up and just before the reed is brought in contact with the iilling of the warp, so as to beat up the said filling, the lay should strike against the inner arm of the leveri E, so as to move said lever in such manner as to cause the temple to slip on the cloth and move forward a little away from the breast-beam or toward the reed. After the lay has beaten up this advance of the temple will cause the spring C to so act on the selvage of the cloth as to draw it backward, so as to firmly tighten or make straight the warp-threads, in order that the shuttle, while passing through the warps, may not be turned out of its true course, as it often is by reason of the looseness of the warp-threads. The ordinary action of the temple will take place,because by reason of the position of the arm of the lever in rear of the springv and the distance of the outer end of said arm from the journal ot' the spring the temple is enabled to spring or move backward under the blow of the reed against the cloth. For this purpose the spring I d n should project beyondA the lever or be arranged relatively to the same, as shown in the drawings.

We claim-.

So combining with the tem pleand its spring a lever or its equivalent that just before the lay beats up it shall by its action on such leselvage of the cloth, so as to straighten thev Warp-threads thereof, substantially as specified.

In testimony whereof We have hereunto set ver cause the temple to be advanced on the cloth or toward the reed, in order that when the lay may move in-the opposite direction the spring of the temple shall draw back the Vitnesses:

T. G. KENT, WM. CRooKER.

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