Variable speed control device of a power winch
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United States of America Patent
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Aug 20, 2013
Grant Date -
Mar 17, 2011
app pub date -
Oct 21, 2008
filing date -
Jun 18, 2008
priority date (Note) -
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Abstract
A variable speed control device of a power winch includes a low-speed transmission mechanism and a high-speed transmission mechanism, and a clutch mechanism is fastened to a gear box for switching between the high-speed transmission mechanism and the low-speed transmission mechanism; the high-speed transmission mechanism includes a shifting gear (16) arranged at a top of the gear box (14) and driven by a controller; said shifting gear is connected to a connecting rod positioned in an axle hole of the gear box; the low-speed transmission mechanism is a planetary gear mechanism.
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