Clutch device for electric winches
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United States of America Patent
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Apr 17, 2012
Grant Date -
Jun 24, 2010
app pub date -
Aug 13, 2007
filing date -
Aug 17, 2006
priority date (Note) -
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Abstract
A clutch device for an electric winch includes a ring gear that is settled in a gear box and is in communication with a gear mechanism of the electric winch. A plurality of braking recesses are provided on the outer periphery surface of the ring gear. A detachable clutch sleeve is fixed in a braking port defined in the gear box and includes a T-shaped clutch lever. A clutch handle is provided on the sleeve. The inner surface of the clutch handle and the top surface of the clutch sleeve are cam faces formed by double tapered faces. A rotating-positioning mechanism, which can be rotated 180 degrees, is provided between the clutch handle and the clutch sleeve. The clutch lever is movable between an engaged position, where the clutch lever engages the braking recesses, and a disengaged position, when the clutch handle is rotated in clockwise and anticlockwise directions.
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