US14292A - Improvement in temples for looms - Google Patents

Description

UNITED STATES PATENT OFFICE.

RENSSELAER REYNOLDS, OF STOCKPORT, NEV YORK.

IMPROVEMENT IN TEIVIPLES FOR LOOIVIS.

Specification forming part of Letters Patent No. 14,292, dated February 19, 1856.

To all whom it may concern.'

Be it known that I, RENssELAEE REYNOLDS, of Stockport, in the county of Columbia and State of New York, have invented a certain new and useful Improvement in Reciprocating Jaw-Temples for Looms; and I do hereby declare the following to be a full, clear, and exact description of the same, reference being had to the accompanying drawings, forming part of this specification, in which-e Figure l is a top view of a temple constructed according to my improvements. Fig. 2 is aside elevation of the same with the jaws closed. Fig. 3 is anotherside elevation showing how the jaws are caused to open by the beating' up of the lay. This figure also illustrates, in red lines, the manner in which the temple is driven back when obstructed by the shuttle. Fig. 4t is a front view of the temple.

- Similar letters of reference indicate corresponding parts in the several figures.

To enable those skilled in the art to make and use my invention, I will proceed to describe its construction and operation.

A is a small stand, of cast-iron or other metal, which is bolted firmly by a bolt passing through the slot c to the breast-beam of the loom. It has two parallel sides which form guides between which the temple is capable of moving freely back and forth and also form the bearings for the journals b of a roller B, which are capable of turning freely therein. The lower jaw of the temple has a rigid shank O, which is parallel on its two sides and of such Width as to fit easily between the sides of the stand. The thickness of this shank is equal to about half the space between the top of the base of the stand and the bottom of the roller, except a portion c extending' for a short distance from its front end,whose thickness is such as to tillthe space between the base of the stand and the roller. This will be understood by reference to Figs. 2 and 3, where the stand is shown in section. At some distance in front of the jaw a piece e projects downward from the shank C to a suitable position to be struck by the lay or by a screw or pin secured therein when it beats up.

The upper jaw is hinged to the lower jaw by a pin d, and in front of this pin an arm D eX- tends from it, the whole forming a lever of the [irst order, whose fulcrum is the pintl. The

width of the arm D is such as to pass freely between the sides of the' stand A, and its thickness such that it is capable of passing under the roller. Its front end has a concave recess or cove f extending right across it, and behind this covef an inclined plane g. The cove is of the form ofan aro of a circle corresponding to the periphery of the roller B, and its position is such that when the arm D is raised by the action of a spring E, placed between it and the shank C of the lower jaw, and the temple is pushed forward against the roller it will fit up to the roller, and offer an impediment to the forward motion of the temple; but that when a certain degree of force is applied from behind it will run, under and bring the inclined plane gin contact with the roller and cause the arm D-to overcome the effect of the spring and descend, and` thus open the jaw. If the force is continued, the inclined plane running under the roller causes the arm to be depressed until it runs right under, when no further impediment is offered to the movement of the temple than the friction produced between it and the stand.

The temple is adjusted to grip the cloth at the desired distance from the illing by placing it in the stand A with the concave fitting to the roller, as shown in Fig. 2, and adjusting the stand in such a position as to bring the jaw to the desired position on the cloth. When the lay beats up, a stud, which is secured in it for the purpose, strikes against the downward projection e and drives the templet forward with it. `The stud aforesaid should be adjustable, so that it may be set lin a position to strike the temple exactly at the desired point in the movement of the lay, but very near the termination of the said movement, as it is only desired to'move the temple back a very little Way to make the forward end of the arm D run far enough under the roller to open the jaws sufficiently to Arelease the cloth. Fig. 3 shows the position of the parts at the termination of the beat of the lay. When the lay recedes, the temple follows it until it reaches the position shown in Fig. 2, when it grips the cloth and becomes stationary. The receding movement of the temple is caused by the tendency of the spring to raise up the arm D, the pressure of the arm under the roller tending to throw it out. lf the shuttle is caught between the temple and the reed, as sometimes happens, the succeeding portion of the movement of the lay causes the shuttle to force forward the temple, opening the jaw and releasing the cloth instantly. The temple continues moving forward till the loom protects, the jaws being opened wide by the incline g running entirely under the roller, and the arm D being depressed to its fullest degree. After having been driven thus far forward, the temple requires to be pushed back by hand when it recovers its proper position, as shown in Fig. 1. This, however, is but the work of an instant.

This arrangement, it will be observed, materially differs from that of other reciprocating jaw-temples actuated by the beat of the lay, such as that patented to J osepli Dennis, Jr., November G, 1838, wherein the jaws are moved toward the reed before opening. and by the continued action of the lay are afterward opened, and, in the reverse movement, are first moved from the reed and afterward shut, which actions are effected by the combined operation of two springs of a differing and relative stiffness, that gives a very uncertain character to the operation, especially when the springs have been exposed to longusage, and when the jaws are gripping forms a spring-stop, that the mere vibration of the machine sensibly affects, and these objections are equally applicable to another arrangement of roller-temple of reciprocating character, patented to E. Dutcher and XV. WV. Dutcher December 28, 1852, in which, howver, as the jaws do not open the action is different; but the same reciprocating character, governed by the beat of the lay, is observed, to effect a grip close to the filling and prevent injury to the shuttle, temple, or reed,when the shuttle, stopping short in its night, is arrested between the temple and the reed and avoid injury to the cloth, which are the main objects in view of all reciprocating temples, and are attained in the latter arrangement referred to as in the former one by a duplicate spring arrangement, the second spring in the latter arrangement, however, to prevent injury by stoppage, as described, of the shuttle, being in the attachment of the frame, which carries the temple to the breast-beam,ahighly objectionable arrangement, and giving no better security than the former one as regards the eifect of vibration and unsteadiness of the grip, due to the elastic character of the stop, which defects all two spring arrangements governing the regular and irregular action of the temple dependent upon the perfect orimperfect operation of the shuttle herein mentioned must to a certain extent more or less possess, and which are avoided by my one spring arrangement furnished with a solid stop, as it were, when the jaws are gripping by the gear of the end of the shank D of the one jaw with the roller B, as shown at f in i Fig. 2, but affording every facility for the opening and longitudinal travel of the jaws or temple when the beat of the lay necessitates such actions, and this with the greatest ease and steadiness of effect, and the one spring E in conjunction with the roller B serving to return the temple with the receding of the lay and simultaneously and at the proper time without fail to close the jaws for the gripping of the cloth. This arrangement and operation then of the jaw-shank and roller in connection with the closing and receding spring is very different to other mere guide or anti-friction roller arrangements to the shank or slide of other reciprocating temples, as in the instance of the roller-temple referred to, which does not require to open. 'lhe circular stop or roller B with which the shank of the one jaw gears in manner described may in fact be made stationary instead of revolv- What l claim as new and useful in the reciprocating jaw-temple, and desire to secure by Letters Patent, is-

The arrangement and gear, substantially as herein shown and described, of the shank D of the opening and closing jaw, with the stop or roller B, in combination with the closing and receding spring E, for operation together essentially as specified.

RENSSELAER REYNOLDS.

Witnesses:

S. L. STEBBiNs, JAMES M. CARsHoRE.

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