Crane hook latch with sliding lock bar

Details Crane hook latch with sliding lock bar Crane hook latch with sliding lock bar

1990-03-02

1991-06-04

Cherry, Johnny D.

Handling: hand and hoist-line implements

Hook, hoistline, or grab type

Locking device

245995, 246002, B66C 136

Patent

active

050208438

ABSTRACT:
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.

REFERENCES:
patent: 1879167 (1932-09-01), Freysinger
patent: 1985596 (1934-12-01), Burnham
patent: 3317972 (1967-05-01), Harley
patent: 3575458 (1971-04-01), Crook et al.
patent: 4948190 (1990-08-01), Lucas

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