US8586A - Improvement in weavers temples - Google Patents

Description

UNITED STATES PATENT OEEICE.

ELIl-IU DUTOHER ANI) VARREN 7. DUTCHER, OF NORTH BENNINGTON,

VERMONT. Y

IMPROVEMENT lN WEAVERS TEMPLES.

Specification forming part of Letters Patent No. 8,536, dated December 16, 185i.

To all whom t may concern:

Be it known that we, ELIHU DUTCHER and VARREN IV. DUTOHER, of North Bennington, in the county of Bennington and State of Vermont, have invented a new and useful Improvement in Temples for Looms; and we do hereby declare that the following is a full, clear, and exact description of the same, reference being had to the accompanying drawings, which form part of this specification,

and in which- Figures l and 2 represent views in perspective of two varieties of our roller-temples, and

Fig. 3 is a section through one of the rollers.

Our temple consists of a roller whose surface is covered with angular teeth, and which is mounted upon a spindle. The latter is proj ected horizontally from a bar whose shank is sustained in a box mounted upon the breastbeam of the loom. The shank of the bar is secured within the box by a spring-catch which holds the bar from moving toward the lay, but permits it to move toward the breastbeam.

In the example represented at Fig. l and in section at Fig. 3 there is but one toothed roller A, whose barrel is covered with inclined angular teeth. The barrel of this roller is partially surrounded by a shield B, which keeps the cloth in contact with the teeth. In the example represented at Fig. 2 two rollers A A are employed, the one A of which is iitted with a shield B. In both examples the spindles b, on which the rollers turn, project froma bar O,which extends from a box D, secured to t-he breast-beam of the loom. In Fig. 2 the cap of the box is removed to show its internal structure and the manner in which the sliding bar is arranged therein. That portion of the bar within the box is notched, as shown at c, to admit the hooked extremity of a spring-catch f, which prevents the bar from being drawn outward, but allows it to be forced into the box. f

In afiixing these temples to a loom the boxes are set in such positions upon the breast-beam that the rollers extend almost up to the face of the reed when the lay is in its most forward position. If, now, the shuttle be accidentally stopped infront of one of the temples, so that it strikes the latter as the lay is moved forward, the bar tov which the roller-spindle is secured will be forced into its box and no breakage will ensue. Then the shuttle is put in its proper place, the bar must be again shoved out of its box until the spring-catch, entering its appropriate notch, limits its further movement. The roller is then again in its proper position to work.

This temple differs from those rotary temples in common use in presenting a broad barrel of small diameter to the surface of the cloth, while they consist merely of a disk whose toothed periphery acts upon the cloth. In the latter but a verynarrow portion of the cloth is held by the teeth, while in ours the space of cloth on which the temple acts is equally broad with the breadth of the barrel. In the latter case the cloth is not liable to be torn as the strain is distributed over a very large space.

By constructing the temple in the manner herein set forth we are enabled to hold the cloth almost in contact with the face of the reed, where it is essential that it should be held rmly, in order that the temple may perform its oice with the greatest efliciency.

' Our improved temple keeps the cloth stretched and holds it iirmly at a point nearer to the reed at the time the lay beats up than can be done by the temples of a disk form, which of necessity required to be of considerably greater diameter than our roller-temple, in order to bring a suflicient number of teeth in contact with the cloth to hold it firmly, and as the selvage of the cloth only admits of a limited amount of deflection to embrace the periphery of the temple it follows that the larger the diameter of the temple the fewer degrees of the lower side of the periphery will be in contact with the cloth and the greater will be the distance between the point at which the temple and the web meet and the extreme front of the disk. Our temple also does not tend to tear the margin of the cloth as it acts upon a much broader strip of the line the roller is enabled to perform its duty cloth than is customary with the disk-temples with the greatest efficiency.

in general use. In testimony whereof We have hereunto sub- What We claim as our invention, and desire scribed our names. to secure by Letters Patent, is.- ELIHU DUTCHER.

The roller-temple constructed as herein set y TARREN W. DUTCHER. forth,the roller Working in a concave, so that Witnesses: the cloth is held at that line of the periphery ASA DOTY,

of the roller which is nearest the reed, et which CHARLES ROBINSON.

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