US1541628A - Thread guide for stop motions - Google Patents

Description

June 9. 1925. 1,541,628

F. CRAWFORD, SR

THREAD GUIDE FOR STOP MOTIONS Filed Aug. 31, 1923 4 fwm0r- Patented June 9, 1325. i i

UNETED STATES PATENT OFFICE.

FRANK CRAWFORD, $3., OF NEW BRUNSWICK, NEW JERSEY.

THREAD GUIDE FOR STOPVMOT'IONS.

Application filed. August 31, 1923. Serial No. 680,33

To all whom it may concern: beak-shaped end extends into the slot 6 Be it known that I, FRANK CRAWFORD, when the arm 1 is in the raised position. 31:, a citizen of the United States, residing At the rear of the guide 11 is a segmental in New Brunswick, Middlesex County, projection 13, which extends through the New Jersey, have invented certain Imslot 5 and remains in the slot, irrespective proveinents in Thread Guides for Stop of the position of the arm. lvlotions, of which the following is a speci- The arm and the guide form a passage fication. for the thread. The segmental projection My invention relates to certain improve- 13 prevents the thread passing up to the ments in thread guides for stop motions, shaft and limits its downward movement especially the stop motions of knitting mawhile the beak-shaped end of the guide limchines. its the movement inthe other direction.

The object of my invention is to design lVhen a thread is caught, it pulls the the thread guide so that it will hold the arm 4 down to the position shown by dotted 15 thread in the proper position and will act lines in Fig. 4. This movement releases when a thread is caught, to release the the thread and actuates the stop mechanism, thread and to actuate the mechanism for which stops the knitting machine. stopping the machine. I claim:

In the acompanying drawings: 1. The combination in a thread guide for 20 Fig. 1 is a perspective view of sufficient stop motions, of a casing having a bracket; Of the frame Of a stop 1110ti0n to illustrate a. shaft under the bracket the outer end my invention; j of the shaft being supported by the brack- F 2 is a plan View; et; a curved arm mounted on the shaft and Fig. is a side View, showing the Casing rounded in cross section, said arm having a in section; and slot near its outer end; a plate secured to Fig. d is an end View of the thread guide. the bracket and bent downwards to form Referring to the drawings, 1 is the casing, a guide; a beak-shaped end on the guide which encloses part of the mechanism of the extending into the slot in the arm; and a stop motion that controls the power mechaprojection acting as a guard to prevent the so nism of a knitting machine, in the present thread passing towards the. shaft. instance. 2 is a bracket that projects from 2, Th combination in a thread guide for the casing. Under the bracket is a shaft stop motions, of a casing having a brack- 8, which extends into the casing 1 and is et; a shaft under the bracket, the outer mounted in a bearing 14; under the bracket end of the shaft being supported by the 2. The shaft 3 has {L11 @1111 at its Outer bracket; a curved arm mounted on the shaft end. This arm is shaped, as shown clearly and rounded in cross Section. said arm havin Figs. 1. and 1;, and is curved and round ing slots one near the outer end and one ed in cross section for the passag of he some distance from the end; a plate secured thread. to the bracket and bent downwards to 4 lvlounted on the bracket 2 is a plate 7, form a guide; a beak-shaped end on the 35 which is held in place by a screw 8 and a guide extending into the slot at the end of tongue 9, which is bent from the plate and the arm; and a projection on the guide exextends into an opening 10, Fig. 2. This tending through another slot. plate is bent downwards to form a guide 45 11 having a beak-shaped end 12. This FRANK CRAVFORD, Sn.

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