US177373A - Improvement in temple-bars for looms - Google Patents

Description

N. CHAPMAN.

TEMPLE BARS FOR LOOMS. No. 177,373. Patented May 16, 1876.

d/l n v NFETERS, PHOTO-LITHOGRAFHEL WASHXNGTON, D C.

l'lvrrnn STA'rns NATHAN CHAPMAN, OF HOPEDALE,

MAss., AssiGNoR rro 'wooNsooKEr MACHINE COMPANY, OF WOONSOCKET, RHODE ISLAND; SAID WOON- SOCKET MACHINE COMPANY ASSIGNOR TO DUTCHER TEMPLE COMPANY.-

IMPROVEMENT IN TEMPLE-BARS FOR LOOMS.

Specification forming part of Letters Patent No. 177,373, dated May 16, 1876 application iled I January 6, 1876.

To' all whom it may concern:

Be it known that I, NATHAN CHAPMAN, of Hopedale, in the county of Worcester and State of Massachusetts, have invented certain new and useful Improvements in Loom-Temples, of which the following-is a full, clear, and exact description, sufficient to enable others skilled in the art to which it appertains to make and use the same, 'reference being had to the accompanying drawings, and to the letters of reference marked thereon, which form a part of this specification. A

In the accompanying drawings, Figure 1 is a side view of my improved temple-bar. Fig.

l 2 is a top view, with part of the cap cut away to show the position of the roll. Fig. 3 is a partial longitudinal section through the carrier, a top view of which is shown in Fig. 2.

Fig. 4 is a front view with thecap raised to show the roller-supporting spindle. Fig. 5 is a'detached view, showing the spring and temple-carrier connector.

Reciprocating roller-temples moved by the lay, as heretofore constructed, have been provided with springs to throw the temple forward when pushed back in the operation of weaving, and in such temples various plans have been devised to automatically hold back the carrier for the temple-head While the weaver corrected mispicks or other imperfections in weaving, the spring during such time being greatly compressed.

This invention consists in a spring so combined with the carrier as to hold it with the temple-head forward during the regular weaving operation of the loom, so as to be moved with or by the lay, as usual; but when for any reason-as, for instance, to correct imperfections in weaving, or to pick out weft-the carrier is moved back toward the breast-beam farther than usual when weaving', then the carrier is relieved from the action of the spring, and will remain in any position in which it may be placed, and when it is desired to again move the temple-head forward in operative position with reference to the lay, then the carrier, in passing forward to this position, is

again automatically placed under control of the spring.

as provided with angesA) is adapted to move with relation to its supporting stand or case B, hooks or lugs B( embracing, in this instance, the iianges. The spring to hold the carrier forward to be moved by or with the lay is shown at C, and as connected at one end with a pin, E, on the stand or case, and at its other end with a releaser, D, (shown as a lever or block,) adapted to rest with its lower end against a holding-stop, @on the case, and its upper free end (the releaser being subjected to the direct action or strain of the'spring) is pressed against the carrier. When the carrier is placed so as to be moved by the lay, then the upper end of the releaser bears against a shoulder, A, of the carrier, and the spring" holds the temple-head forward in operative position, and the carrier is reciproca-ted under the action of the lay and spring, as usual.

When it is desired to correct imperfections in the weaving, or to remove weft, the temple head and carrier must be moved back toward the breast-beam, to aiford access tvthe warps at the cloth-making point, and then the carrier has been locked either by a holder or by a shoulder on the carrier that engaged a fixed projection. In this instance the carrier is not engaged or held back positively, as heretofore; but, on the contrary, when the carrier is moved back toward the breast-beam far enough to pass its shoulder A beyond the end of the releaser, then the rcleaserbears on the under side of, and acts with an upward pressure against, the carrier, such pressure having no tendency to ,move the carrier horizontally, and in such position (see full lines, Fig. 3) the carrier will remain at rest without being locked or held back, and when it is again desiredl to place the temple-head in operative position it (with the carrier) is moved forward, and as the shoulder A" passes the releaser the carrier is subjected to the action of the spring, as usual. The forward position of the carrier is determined by the pin F and lugl B'. The cap H covers the roll I, Fig. 2, supported on the usual spindle K. the bar A by means of apivot, N, Fig. l, and a slot in the cap embraces a strong rib, A,

This cap is hinged t0 which gives additional strength to the bar at a point Where stiiness is required, and at the same time the rib holds the cap tightly in place, and a lip, O, and a shoulder, P, grasp a pro-` jection, R, and assist to steady the cap. A Locking-pin, G, Fig. l', holds down the cap H., It will be noticed that this hinge does not interfere with the sliding of the bar A.-

I" am not aware that a temple-carrier and its spring have ever before been combined, so that in one position the spring presses the carrier toward the lay, and then in another posi-l tion, nearer the breast-beam, the spring has no tendency to move the carrier, the change in the condition ofthe spring with relation to its action on the carrier being, in this instance,

automatic,

I do not, therefore, desire to limit my invention tothe exact devices shown and4 described, I for such devices might be changed or varied Wit-hout departing from the essential feature of this inventiomas hereinabove described.

I claim- 1. The combination of aA movabletemple-tarrier and supporting stand or case with a spring, adapted to press the carrier forward, to be moved by or with the lay, and tobe thrown out of action wit-n relation to the carrier when the tem ple head and carrier are moved back beyond the backward position tofwhich the y temple-head is usually moved by or` `with; the y flay during the regular operations of Weavin g,

substantially as described. i

2. The combination, with the case and car-` lrier, of the spring and the releaser, adapted to operate with the carrier and its shoulder or projection, substantially as described. j` y 'Intestimony that I claim the foregoing as my own I aflx my signature in presence of two witnesses. NATHAN CHAPMAN.

Witnesses:

EDWIN ALDRICH, Moses lHorner.

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