Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Norman Zhou0
Zhongcheng Peng0
Date of Patent
April 12, 2011
0Patent Application Number
124107170
Date Filed
March 25, 2009
0Patent Primary Examiner
Patent abstract
A variable speed winch in one embodiment includes a drive shaft, a power source, a single gear operation lever, a variable gearing system and a drum. The power source is configured to rotate the drive shaft. The variable gearing system is in rotational connection with the drive shaft and is configured to change the gearing of the winch based on the rotation of the single gear operation lever. The drum is in rotational connection with the variable gearing system.
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