发明名称 ROPE GRIP APPARATUS
摘要 Rope grip apparatus for raising or lowering a load has a rope-engaging portion with opposing projections. The opposing projections are arranged to grip a rope by compressing the rope between the projections. In use the rope is fed through the apparatus.
申请公布号 US2013240811(A1) 申请公布日期 2013.09.19
申请号 US201113697447 申请日期 2011.05.12
申请人 WILSON KEITH 发明人 WILSON KEITH
分类号 B66D1/74;A62B1/08 主分类号 B66D1/74
代理机构 代理人
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