Adjustable self-releasing hook

Details Adjustable self-releasing hook Adjustable self-releasing hook

1984-05-02

1985-08-27

Cherry, Johnny D.

Handling: hand and hoist-line implements

Hook, hoistline, or grab type

Load releasing means

294 8236, B66C 138

Patent

active

045374341

ABSTRACT:
A load lowering hook is equipped with a spring biased load holding member ich ejects and disengages the load rigging when the load touches down and the majority of the weight is released. The spring loaded member can be adjusted to disengage the load at a preset weight depending upon the weight of the rigging that will still be pulling on the hook after the load touches down.

REFERENCES:
patent: 703713 (1902-07-01), Smith et al.
patent: 1477836 (1923-12-01), McGowan
patent: 1541991 (1925-06-01), Moody et al.
patent: 1622971 (1927-03-01), Porter
patent: 3109676 (1963-11-01), Mercer
patent: 3218100 (1965-11-01), Bendl
patent: 4379579 (1983-04-01), Mahan et al.

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