Overlock sewing machine
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United States of America Patent
Stats
-
Jan 16, 1990
Grant Date -
N/A
app pub date -
May 22, 1989
filing date -
Oct 14, 1988
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention discloses an overlock sewing machine equipped with a threading unit of very simple configuration, which comprises a shaft having a threading member fixed thereon and a mechanism (including arm and disc elements) for determining the rotation timing of the shaft.
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First Claim
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International Classification(s)
Cited Art Landscape
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