发明名称 Safety device for hydraulic engine hoist
摘要 A conventional hydraulic engine hoist equipped with a pair of support arms attached to the frame members of the hoist. One of the support arms is fixedly attached to a vertical frame member and the other support arm is attached to a horizontal fame member. The first support arm has a series of pins mounted thereon, and the second support arm has a forked end which cooperates with the pins to prevent the horizontal frame member from moving downward.
申请公布号 US5692731(A) 申请公布日期 1997.12.02
申请号 US19960601071 申请日期 1996.02.12
申请人 BEAUCHAMP, PHILIPE JOSEPH 发明人 BEAUCHAMP, PHILIPE JOSEPH
分类号 B25H1/00;B66F19/00;(IPC1-7):B66F3/30 主分类号 B25H1/00
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