发明名称 Pulling tool and method
摘要 A pulling tool which comprises a pulling bar which, in a simple form, comprises an L-shaped length of tool steel rod and a pulling hook which comprises a length of tool steel rod having a hook formed in one end thereof for hooking the pulling hook with one leg of the pulling bar. The opposite end of the pulling hook can be adapted to have coupling means affixed to it for pulling on the pulling hook.
申请公布号 US4040287(A) 申请公布日期 1977.08.09
申请号 US19760686049 申请日期 1976.05.13
申请人 WIVINIS, GERALD P. 发明人 WIVINIS, GERALD P.
分类号 B21D1/12;B21D1/06;(IPC1-7):B21D1/12 主分类号 B21D1/12
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