发明名称 Variable speed winch
摘要 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.
申请公布号 US7922153(B2) 申请公布日期 2011.04.12
申请号 US20090410717 申请日期 2009.03.25
申请人 RUNVA MECHANICAL & ELECTRICAL CO, LLC 发明人 ZHOU NORMAN;PENG ZHONGCHENG
分类号 B66D1/22 主分类号 B66D1/22
代理机构 代理人
主权项
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