Hook latching device

Details Hook latching device Hook latching device

1976-05-19

1977-09-27

Marbert, James B.

Handling: hand and hoist-line implements

Hook, hoistline, or grab type

Locking device

24241PP, 24241SB, B66C 136

Patent

active

040507300

ABSTRACT:
A latching device includes a bracket provided below the hanger of a hook, a latching arm pivoted to the bracket for opening and closing the opening in the curved portion of the hook, and a locking lever provided in the interior of the latching arm. When the latching arm closes the opening of the curved portion, a cap formed on the tip of the arm is engaged with the tip of the curved portion. A pawl formed on the tip of locking lever is adapted to lock the latching arm in the respective positions occupied by the latching arm when the latching arm opens or closes the opening of the curved portion by being engaged with upper or lower recess formed in the front side of the bracket.

REFERENCES:
patent: 2706318 (1955-04-01), Coffing
patent: 2866247 (1958-12-01), Clegg
patent: 2927358 (1960-03-01), Ratcliff

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