发明名称 Portable Hitch-mounted Hoist Device
摘要 A portable hitch-mounted hoist device includes a lifting mechanism which applies a jack to supply power; a rotating mechanism having a dual bearing; a length-adjustable supporting mechanism; and a T-shaped mounting mechanism. The portable hitch-mounted hoist device has simple structure and is easy to install and detach.
申请公布号 US2012211456(A1) 申请公布日期 2012.08.23
申请号 US201113052102 申请日期 2011.03.20
申请人 WANG GANG 发明人 WANG GANG
分类号 B66C23/44 主分类号 B66C23/44
代理机构 代理人
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