Sewing machine clutch with removable locking pin
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United States of America Patent
Stats
-
Oct 21, 2008
Grant Date -
Jan 31, 2008
app pub date -
Jul 26, 2007
filing date -
Jul 26, 2006
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A sewing machine having a locking pin clutch mechanism allowing the user to selectively engage the flywheel or balance wheel for transmitting power to the main drive shaft. The locking pin may also have a line of weakness to function as a shear pin. The locking pin may be removable from the flywheel, and the flywheel retaining locking knob may include an aperture for storing the locking pin. In alternate embodiments, the locking pin may be held captive in the flywheel when the clutch is disengaged.
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Family
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