US2490301A

US2490301A - Picker check for looms

Info

Publication number: US2490301A
Application number: US30345A
Authority: US
Inventors: Higginson Benjamin
Original assignee: Individual
Current assignee: Individual
Priority date: 1948-06-01
Filing date: 1948-06-01
Publication date: 1949-12-06
Anticipated expiration: 1966-12-06

Description

Dec. 6, 1949 HlGGlNSON 2,490,301

PICKER CHECK FOR LOOMS Filed June 1, 1948 Benjamin Higginson JNVENTOR.

Patented Dec. 6, i949 UNITED PICKER CHECK FOR LOOMS Benjamin Higginson, New Bedford, Mass. I v Application June 1, 1948, Serial No. 30,345

3 Claims.

The present invention relates to new and useful improvements in checks for the picker sticks of looms to check the movement of the picker stick due to the impact of an incoming shuttle upon the picker.

An important object of the invention is to provide shock absorbing means between the usual parallel or support of the loom and the rocker shoe attached to the picker stick, said shock absorbing means including a coil spring with means for adjusting the tension of the spring in accordance with the requirements.

A still further object is to provide a device of this character of simple and practical construction, which is eiiicient and reliable in operation, strong and durable, relatively inexpensive to manufacture and install in operative position on the loom, and which otherwise is well adapted for the purposes for which the same is intended.

Other objects and advantages reside in the details of construction and operation as more fully hereinafter described and claimed, reference being had to the accompanying drawings forming part hereof, wherein like numerals refer to like parts throughout, and in which:

Figure 1 is a side elevational view showing the picker check in position on a picker stick;

Figure 2 is a transverse sectional view taken substantially on the line 2-2 of Figure 1; and

Figure 3 is an enlarged vertical sectional view of the shock absorbing spring and showing the anchoring means for the upper end thereof.

Referring now to the drawing in detail wherein, for the purpose of illustration, I have disclosed a preferred embodiment of the invention, the numeral 5 designates the usual parallel or support attached to the lay rocker shaft (not shown) of a loom and 6 designates the rocker shoe mounted on the support 5 for rocking movement thereon and attached to the lower end of a picker stick in a conventional manner.

The tip of the shoe 6 is bifuracted to provide a slot 8 and in which a vertical rod 9 is received to permit free rocking movement of the shoe.

The rod 9 extends downwardly through the parallel or support 5 and is threaded at its lower end, as shown at It), to receive a lock nut II for securing the rod in an upright position on the support.

A coil spring I2 is positioned on the upper portion of rod 9 and its lower end bears against a lower steel washer l3 on the rod 9 which in turn bears against a fiber washer It also on the rod 9. This latest washer it rests on the tip of shoe 6. The upper end of rod 9 is threaded, as

shown at l5, to receive a wing nut l 6 and to which the upper end of the spring is anchored by means of an opening I! in a lock nut l8 placed between the wing nut and the upper end of the spring and in which a hook [9 at the upper end of the spring is engaged.

In the operation of the device, rocking motion of the shoe 6 is taken up by spring I2 and the compression of the spring is adjusted by the wing nut 16.

The upper end of the spring is anchored to the upper lock nut l8 to hold the spring stationary on the rod and thus eliminate wear on the threads [5 as well as wear on the upper end of the spring during a turning movement of the spring on the rod.

In view of the foregoing description taken in conjunction with the accompanying drawings, it is believed that a clear understanding of the device will be quite apparent to those skilled in this art. A more detailed description is accordingly deemed unnecessary.

It is to be understood, however, that even though there is herein shown and described a preferred embodiment of the invention, the same is susceptible to certain changes fully comprehended by the spirit of the invention as herein described and within the scope of the appended claims.

Having described the claimed as new is:

1. In a loom, the combination of a picker stick having a shoe attached thereto, said shoe having a bifurcated end portion, a support on which the shoe rocks, shock absorbing means between the shoe and the support and comprising a rod rising from the support and projecting upwardly freely between the furcations of said bifurcated end portion, a coil spring on the upper end of the rod and held under compression on top of the shoe, and means holding the spring against rotary movement on the rod.

2. The combination of claim 1 wherein said last mentioned means includes a nut, the upper end of said rod being externally threaded to receivably engage said nut, said nut having an opening spaced from said rod, said spring having an upper end received in said opening.

3. In a loom having a picker stick, a rocker shoe attached to said picker stick and a support on which the shoe rocks; a shock absorbing means between the shoe and the support, said shock absorbing means comprising an upstanding rod having externally threaded upper and lower ends, said support having an opening reinvention, what is ceiving the lower end of said rod, a lower lock nut receivably engaged on the lower end of said rod and bearing against the support, said shoe having a longitudinal slot loosely receiving said rod, a fiber washer on said rod and bearing against said shoe adjacent said slot, a metallic washer on said rod bearingi'against said fiber washer, a coil spring embracing said rod and having its lower end resting on said metallic washer, and an upper lock nut neeeivably en,- gaged on the upper end of said rod'and having an opening spaced from the rod, said spring having an upper end received in said opening for holding the spring against rotary movement on the rod, said spring also yieldingly retaining said 15 upper lock nut in an adjusted position.

BENJAMIN HIGGINSON.

REFERENCES CITED The following references are 01' record in the file of this patent:

UNITED STATES PATENTS Number Name Date 17,193 Boorn May 5, 1857 106,116 Burleigh Aug. 9, 1870 1,023,362 Cote Apr. 16, 1912 1,255,125 Finch Feb, 5, 1918 1,932,316 Lambert Oct. 24, 1933 2,319,689 Jones May 18, 1943 Re. 22,056 Hoeber et a1. Mar. 31, 1942