Anti-jam thrust washer for sewing machine looptaker

Details Anti-jam thrust washer for sewing machine looptaker Anti-jam thrust washer for sewing machine looptaker

1983-07-11

1985-03-26

Reynolds, Wm. Carter

Sewing

Elements

Revolving hooks

D05B 5708, D05B 5736

Patent

active

045066140

ABSTRACT:
A thrust washer on the looptaker shaft of a sewing machine between the underside of a hook body and the top end of a bushing wherein the looptaker shaft is rotatable is provided with thread engageable peripheral flanges, one of which is disposed to extend upwardly into a recess formed in the hook body and the other one of which extends downwardly over the top edge of the bushing.

REFERENCES:
patent: 189931 (1877-04-01), Follett
patent: 418895 (1890-01-01), Leilich
patent: 2015472 (1935-09-01), Goosman

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