US651759A - Picker-staff connection for looms. - Google Patents

Description

(No Model.)

Patented lune l2, I900. Y

J. E. & A. HEY.

PICKER STAFF CONNECTION FOR LOOMS.

(Application filed Jan. 3, 1900.

UNrTED STATES PATENT OFFICE;

JOHN E. HEY AND ABRAHAM HEY, OF PASCOAG, RHODE ISLAND.

PlCKER-STAFFCONNECTION FOR LOOMS.

$PECIFICATION forming part of Letters Patent No. 651,? 59, dated June 12, 1900.

Application filed January 3, 1900. $erial No. 205. (No model.)

ToaZZ whom, it'm'a y concern:

Be it known that we, JOHN E. HEY and ABRAHAM HEY, citizens of the United States, residing at Pascoag, in the county of Providence and State of Rhode Island, have invented new and useful Improvements in Picker-Staff Connections for Looms, of which the following is a specification.

Our invention relates to means for pivotally connecting the picker-staffs of looms to brackets on the loom frames and contemplates the provision of a simple and inexpensive connection calculated to firmly hold a staff without preventing free oscillation of said staff and without causing undue wear of the same and one which is adapted to per-' mit of the staff being readily removed when necessary without the employment of tools.

With the foregoing ends in mind the invention will be fully understood from the following description and claim when taken in conjunction with the annexed drawings, in which- Figure l is a broken perspective View illustrating a portion of a bracket, a portion of a picker-staif, and ourimproved connection. Fig. 2 is an enlarged section with some of the parts partly in elevation, said section being taken in the plane indicated by the broken line 2 2 of Fig. 1 looking in the direction indicated by arrow.

Referring by letter to said drawings, A is a bracket provided with a transverse aperture a and otherwise similar to the brackets usually employed on loom-frames to support picker-staffs.

B is a picker-staff having the usual transverse aperture at an intermediate point of its length.

O is ourimproved connection, which is preferably made up of a sleeve D, a bolt E, a nut F, a washer G, and a thumb-nut H. The sleeve D has a circular end portion 0', which corresponds in length to the thickness of the stafli B and is of a diameter to snugly occupy the aperture thereof, a reduced and exteriorly-threaded end portion d, designed to receive the nut F and washer G, an intermediate portion 6 of a size to snugly fit the aperture of the bracket A, and an enlargement f, arranged between the portions 0 e and adapted to be interposed between the bracket .curely fixed in position.

and staff after the manner shown in Fig. 2,

so as to hold thelatter at the proper distance from the former. The bolt E is longer than the sleeve D and is provided at one end with screw-threads g for the engagement of the thumb-nut H and at its opposite end with a head 72 fiat at its inner side, asindicated by i. The said head his designed to bear against the face of the picker-staff, as shown in Fig. 2, and thereby hold said staff on the portion 0 of sleeve D and against casual lateral movement.

It will be noticed that while the head h is calculated to firmly hold the staff on the sleeve portion 0 it is broad and smooth, and therefore does not interfere with or prevent the necessary f roe oscillation of the statf, nor

does it dig into and wear the face of the staff.

like the pins usually employed in conjunction with studs in the connection of pieker-stafis to brackets.

In practice the parts are assembled as shown in Fig. 2that is to say, the portion a of the sleeve is passed into the aperture of the bracket, and said bracket is clamped be tween nut F and the enlargement f of the sleeve, with the result that the sleeve is se After the sleeve is thus fastened to the bracket the picker-staff is mounted on the sleeve portion 0, the bolt is inserted in the bore of the sleeve until its head brings up against the outer end of said sleeve, and the thumb-nut H is mounted on the threaded'end of the bolt and turned up against the inner end of the sleeve. With this done the picker-stafi will be securely held at the proper distance from the bracket and against casual lateral movement and at the same time will be free to oscillate and will not be subjected to undue frictional wear. This latter is due in large measure to the fact that when the thumb-nut H is tightened the bolt-head It brings up against the outerend of the sleeve, which preventsit from binding against the face of the picker-staff.

When it is desired for any reason to remove the picker-stafi, the same may be readily accomplished without the employment of tools by simply turning the nut H off the bolt and withdrawing said bolt from the sleeve. It follows from this that the same or a new stafi may be as readily secured on the sleeve.

Having described our invention, what we claim is.'-,

In a pic'ker 'staffcoiinection for looms, the combination of a bracket having a transverse 5 aperture, a picker-staif also having a transverse aperture, the sleeve D having the outer end portion. 0,101: circular form in cross-sec tion, arranged in the aperture of the staif, exterior threads d at its inner end, the interro mediate portion a resting in the aperture of the bracket, and the enlargement f interposed betweenthe bracket and staiflthe bolt E extending through the sleeve and having the broad, smooth head h at its outer end, bearing 15 against the outer side of the staff, and threads at its inner side, a nut mounted on the-threaded inner portion of the-sleeveandi adapted to clamp the bracket against the portion f thereof, and a nut mounted on the threaded inner end of the bolt and bearing against the inner end of the sleeve, substantially as and for the i purpose set forth.

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