发明名称 Post frame machine
摘要 A post frame machine for applying pulling forces to a damaged automobile comprises two vertical support posts fixedly mounted on a base frame, a hydraulically operated cylinder disposed in each of the posts, and a load chain and pulley arrangement for exerting the pulling force. The cylinders are independently operable to allow different forces to be applied at closely adjacent location on the automobile. The apparatus further includes chain locks for securing the load chains.
申请公布号 US4747579(A) 申请公布日期 1988.05.31
申请号 US19870028899 申请日期 1987.03.23
申请人 RICH, JOHN W. 发明人 RICH, JOHN W.
分类号 B21D1/14;(IPC1-7):B21D1/00;B66F5/04 主分类号 B21D1/14
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