发明名称 Clevis type grab hook with safety latch
摘要 A grab hook includes a locking plate which is held in position by a biased pin that may be axially extended to move the locking plate between a latching and unlatching position to close or open the slot in the grab hook.
申请公布号 US7967353(B2) 申请公布日期 2011.06.28
申请号 US20080233787 申请日期 2008.09.19
申请人 ROBINS TERRY K 发明人 ROBINS TERRY K.
分类号 B66C1/34 主分类号 B66C1/34
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