US729229A - Picker-stick check for looms. - Google Patents

Description

N5. 729,229. PATENTED. MAY 26, 1903.

G. M. SMITH. PIGKER STICK CHECK-FOR LOOMS.

.APPLIUATION FILED NOV. 29' 1902.

no 1109111.. I

Fig. l

. IN UENTUEI E on Nay-3'.

UNTTED STATES Iatented May 26, 1903.

PATENT OFFICE.

GEORGE M. SMITH, OF BERKELEY, RIIODE ISLAND, ASSIGNOR OF ONE-HALF TO CHARLES H. COLLINS, OF BERKELEY, RI-IODE ISLAND.

P ICKER-STICK CHECK FOR LOOMS.

SPECIFICATION forming part of Letters Patent N 0. 729,229, dated May 26, 1903.

Application filed November 28,1902. Serial No. 133,027. (No model.)

To aZZ whom, it may concern.-

Beit known that I, GEORGE M. SMITH, a citi zen of the United States, residing at Berkeley, in the county of Providence and State of 5 Rhode Island, have invented a new and useful Improvement in Picker-Stick Checks for Looms, of which the following is a specification. 7 '7 V This invention has reference to looms, and

I more particularly to the picker-sticks of looms.

The object of this invention is to prevent any rebounding and chattering of the pickersticks when they have reached their outward I limit under the impulse of the floor-springs and to hold the picker-sticks under spring tension in their proper position to throw the shuttle from the shuttle-boXes.

This invention consists in the peculiar and novel construction of a spring-check attached to the under side of the shuttle-boxes, having two flat bent springs, forming a clip for receiving, checking, and holding the pickersticks under spring tension, as will be more fully set forth hereinafter and pointed out in the claims.

Figure l is a front view of a loom, showing my improved picker-stick checks attached to the under side of the shuttle-boxes, with the picker-sticks held in the spring-clips of the checks. Fig. 2 is an enlarged front view of my improved picker-stick checks, showing part of a picker-stick in its inward position in full lines and held in the check in its outward 3 5 position in broken lines. Fig. 3 is a plan view looking at the under side of my improved picker-stick check, showing the two flat bent springs forming a wedge-shaped clip for receiving, checking, and holding the pickerstick in the check under spring tension.

In the drawings, a a are the shuttle-boxes of aloom. The picker-sticks a a are operated in the usual way by the picking-cones and picker-straps to throw a shuttle from the shut- 4 5 tle-boxes. The floor-springs a a are secured to the floor at one end and to the lower end of the picker-sticks by a strap or other means returning the picker-sticks to their outward or normal position after the throw of the shuttle by the picker-sticks To check and hold the picker-sticks in their outward or normal position under spring tension, I attach or secure my improved spring-check to the under side of the shuttle-boXes by the plate Z) and the screws 1) b. The plate I) has the opening b forming a stop for the picker-stick, and the two downwardly-extendin g bosses b b placed at a slight angle to each other and forming two sides of the opening 11 The two flat springs b b are secured at their fixed ends I) Z) by the screws 17 b to the outside of the bosses 11 12 The springs b are carried outward from their support 011 the bosses for a predetermined distance, flaring away from each other, and are then bent inward and backward, bringing the free ends Z) I) in the opening 12 forming a wedge-shaped opening between the springs for the picker-stick, as shown in Fig. 3.

In the operation of my improved picker- 7o stick check the shuttle is thrown in the usual way by the picker-stick. from the shuttle-box. The picker-stick now returns to its outward or normal position by the action of the floor spring on itslower end. This forces the upper end of the picker-stick into the mouth of the wedge-shaped opening between the fiat springs b b and against the inner faces of the free ends I) b, when the picker-stick comes to arest on the stop 5 formed by the opening b in the plate I), forcing the free ends I) b apart and checking and holding the pickerstick under springtension until released by the action. of the picker-cones through the picker-stick strap to throw a shuttle from the 8 5 shuttle-box.

As a new article of manufacture my improved picker-stick check is very inexpensive to make and simple in construction, comprising practically three parts, and the springs, by their shape, are not easily broken under the action of the picker-stick.

Having thus described my invention, I claim as new and desire to secure by Letters Patent- In a picker-stick check, a plate having an opening to receive and form a stop for the picker-stick, two projecting bosses 011 the plate, means for securing the plate to a shut tle-box, and two flat springs secured to the X00 bosses at their fixed ends andcarried out- In testimony whereof I have signed my Ward for a predetermined distance, then inname to this specification in the presence of ward and backward, bringing their free ends 'two subscribing Witnesses.

between the bosses forming a Wedge-shaped GEORGE M. SMITH. opening between the springs to receive, check Witnesses:

and hold the picker-stick under spring ten- B. S. WVEBSTER,

sion, as described. J. A. MILLER, Jr.

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