发明名称 CORDLESS HOIST
摘要 A portable hoist assembly having a housing. The housing has a recoil spring secured thereto wherein the recoil spring is secured to a cable spool such that constant tension is provided on the cable spool. The cable spool contains a cable that is secured thereto and has a hook member secured at a first end. An actuating member having a self contained power source and connected to the cable is thus operable to feed and retract the cable.
申请公布号 US2010283020(A1) 申请公布日期 2010.11.11
申请号 US20100842085 申请日期 2010.07.23
申请人 LAFRENIERE RANDY A 发明人 LAFRENIERE RANDY A.
分类号 B66D3/20;B66D3/26 主分类号 B66D3/20
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