发明名称 Lever hoist
摘要 A lever-type hoist comprising a pressure receiving member 6, a press drive member 7 adapted to press-drive the pressure receiving member 6 through friction members 8, 9 and a reverse rotation stop ring 10, and a coil spring 13 interposed between the pressure receiving member and press-drive member, the base engaging portion 13b of coil spring 13 being engaged by an engaging groove 6d of pressure receiving member and the tip engaging portion of coil spring 13 being engaged by an engaging surface 7k of press-drive member, with an inclined surface 7h formed in the wind-up side of the engaging surface 7k.
申请公布号 US5769398(A) 申请公布日期 1998.06.23
申请号 US19970854624 申请日期 1997.05.12
申请人 VITAL KOGYO KABUSHIKI KAISHA 发明人 SAMEJIMA, YASUHIRO
分类号 B66D3/14;(IPC1-7):B66D3/14 主分类号 B66D3/14
代理机构 代理人
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