Lifting hook device

Details Lifting hook device Lifting hook device

2005-04-01

2010-02-09

Chin, Paul T (Department: 3652)

Handling: hand and hoist-line implements

Hook, hoistline, or grab type

Locking device

Reexamination Certificate

active

07658424

ABSTRACT:
A hook (1) in a lifting device, where the hook is of the type where a lifting tool is placed in and released from the hook (1) through a hook opening (11), where the hook (1) is provided with a locking bolt (15) arranged to be displaced in the longitudinal direction for closing of the hook (1) opening (11), and where the hook (1) locking bolt (15) is locked into position when the hook opening is closed. The lock is released and the locking bolt (15) can be displaced away from the hook opening (11) by means of an actuating lever (9) arranged in the body (3) of the hook.

REFERENCES:
patent: 1521811 (1925-01-01), Hartbauer
patent: 1533995 (1925-04-01), Lang
patent: 1679902 (1928-08-01), Helwig
patent: 3859693 (1975-01-01), Breed
patent: 0 059 228 (1982-09-01), None

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