发明名称 Portable hoist assembly
摘要 The present invention is for a portable hoist assembly that includes a base member, an upright support member and a boom. A winch and line are attached to the hoist assembly with an engagement member for lifting objects. The base member attaches to a receiving member. The receiving member may be a trailer hitch on a vehicle. The boom and base member pivot with respect to the support member to a collapsed storage position. The boom and base member extend substantially parallel to the support member, and an end of the boom attaches to the base member. The engagement member is inserted within the base member for storage.
申请公布号 US2003000906(A1) 申请公布日期 2003.01.02
申请号 US20010893930 申请日期 2001.06.29
申请人 PERKINS SCOTT;HAMILTON DON 发明人 PERKINS SCOTT;HAMILTON DON
分类号 B66C23/44;(IPC1-7):B66C23/44 主分类号 B66C23/44
代理机构 代理人
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