发明名称 TUBING GRAB ASSEMBLY
摘要 A tubing grab assembly to retain and lift tubing, pipes, tubulars or other cylindrical objects. The assembly includes a pair of opposed jaws and a housing having a cavity. A least one of the opposed jaws has a shaft therethrough to permit rotation of the jaw with respect to the housing between a closed position and an open position. A jaw spring forces the movable jaw toward the closed position. A retractable spring trigger mechanism locks the pair of opposed jaws in the closed position.
申请公布号 US2012091743(A1) 申请公布日期 2012.04.19
申请号 US201113243527 申请日期 2011.09.23
申请人 OHMAN, III ROGER ARTHUR;TAYLOR LARRY MACK;THE CROSBY GROUP LLC 发明人 OHMAN, III ROGER ARTHUR;TAYLOR LARRY MACK
分类号 B66C1/44 主分类号 B66C1/44
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