Sewing machine control mechanism
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United States of America Patent
Stats
-
Jan 6, 1998
Grant Date -
N/A
app pub date -
Feb 27, 1997
filing date -
Feb 27, 1997
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A sewing machine includes two rods rotatably and slidably supported in the sewing machine and two lower loopers secured on the rods. A spindle is coupled to the rods by an eccentric and coupling members for rotating the rods and the lower loopers. One of the lower loopers may be moved axially together with one rod to which a pawl is rotatably supported, The pawl may be selectively engaging with the other rod for allowing the pawl to selectively moving the other rod axially and for allowing the lower loopers to perform two double chain stitchings.
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Cited Art Landscape
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