Thread cutter and drive unit for a chain stitch sewing machine
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 9, 1997
Grant Date -
N/A
app pub date -
Mar 13, 1996
filing date -
Mar 14, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A thread cutter for a chain stitch sewing machine which performs chain stitch sewing by cooperation of a needle driven up and down and a looper arranged under a needle plate, including: a movable knife arranged so that it can advance into or retract from a gap between a top surface of the looper and an under surface of the needle plate; a knife driving mechanism for advancing and retracting the movable knife; a stationary knife arranged under the needle plate for cutting a sewing thread in cooperation with the movable knife when the movable knife is retracted; and a thread holding plate for holding a cut end of the sewing thread on the side of the looper in a predetermined position by a further retracting operation of the movable knife after the sewing thread is cut and a drive unit for a multi-sewing machine.
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Family
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Cited Art Landscape
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