Gas carrying threading device of sewing machine
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United States of America Patent
Stats
-
May 24, 2016
Grant Date -
Jun 18, 2015
app pub date -
Oct 26, 2012
filing date -
Jul 13, 2012
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An engaging clutch for respectively transmitting power from a sewing machine motor to a drive shaft driving a stitch forming device including the looper at the time of the stitch formation or to the gas supply source at the time of the looper threading comprises a structure which is moved to one of a gas supply drive member which transmits the power to the gas supply source and a stitch forming drive member which is fastened to one end of the drive shaft and transmits the power to the stitch forming device so that approach/separation becomes free depending on a manual operation of a looper threading/stitch forming changeover manual operating portion and transmits the power from the sewing machine motor through a clutch hollow shaft and retains a connecting state when connecting to the gas supply drive member.
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Family
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