Hook with spring loaded lock-pin

Details Hook with spring loaded lock-pin Hook with spring loaded lock-pin

1993-10-08

1994-11-08

Cherry, Johnny D.

Handling: hand and hoist-line implements

Hook, hoistline, or grab type

Locking device

246008, B66C 136

Patent

active

053621174

ABSTRACT:
A hook is provided with a retractable, spring loaded lock-pin that is used to retain chain link, cable, etc., placed in the throat of the hook. The lock-pin is either biased in a retaining position or a retracted position. A mechanism is provided to positively lock the lock-pin in the retaining position if desired.

REFERENCES:
patent: 809511 (1906-01-01), Lien
patent: 1299018 (1919-04-01), Pearson
patent: 2232997 (1941-02-01), Caldwell
patent: 3462945 (1969-08-01), Barber
patent: 4453622 (1984-06-01), Betz

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