发明名称 Lifting apparatus
摘要 A lifting apparatus is disclosed for lifting steel grates and the like. The apparatus includes a fulcrum member including an outer U-shaped support member and an inner U-shaped rim holding and support member. A lever is provided. A bolt passes through outer and inner U-shaped rim holding and support members and the lever. The apparatus is easy to use and folds for storage.
申请公布号 US4695037(A) 申请公布日期 1987.09.22
申请号 US19870023115 申请日期 1987.03.06
申请人 HADBAVNY, DAVID L. 发明人 HADBAVNY, DAVID L.
分类号 B66F19/00;(IPC1-7):B66F11/00 主分类号 B66F19/00
代理机构 代理人
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