Anti-jam thrust washer for sewing machine looptaker
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 26, 1985
Grant Date -
N/A
app pub date -
Jul 11, 1983
filing date -
Jul 11, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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Family
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Cited Art Landscape
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