Apparatus for preventing raveling of seam
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United States of America Patent
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-
Jul 23, 2002
Grant Date -
N/A
app pub date -
Oct 23, 2000
filing date -
Nov 9, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An apparatus for preventing the raveling of a seam wherein a looper thread hanging hook for catching a looper thread which is allowed to pass through a loop of a needle thread immediately before the completion of a sewing operation and a driving mechanism of the hook together with a mechanism for cutting the looper thread and the needle thread are arranged on the right side of a needle drop point of a sewing machine.
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