发明名称 Crane hook latch with sliding lock bar
摘要 A gate latch mounted on a hook shank and spanning the mouth of the hook from its shank to its tip includes a sliding lock bar which can be selectively linearly positioned in closed condition retention slots to prevent opening of the gate latch or in open condition retention slots to permit rotation of the gate latch from a closed to an open condition.
申请公布号 US5020843(A) 申请公布日期 1991.06.04
申请号 US19900488746 申请日期 1990.03.02
申请人 LUCAS, CHARLES E. 发明人 LUCAS, CHARLES E.
分类号 B66C1/36 主分类号 B66C1/36
代理机构 代理人
主权项
地址