Looper switching mechanism in overlock sewing machine
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United States of America Patent
Stats
-
Dec 16, 1997
Grant Date -
N/A
app pub date -
Aug 1, 1996
filing date -
Aug 9, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In a looper switching mechanism for an overlock sewing machine, a needle having a needle thread and movable vertically, is provided. A right looper having a thread hole at a tip end through which a right looper thread is inserted, includes a mounting hole into which a shaft portion of a spreader member body is attached. A hook portion having a tip end engageable with the thread hole is coupled to and extends from the spreader member body thereby forming the a spreader.
First Claim
Family
International Classification(s)
Cited Art Landscape
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