Tension release latch

Details Tension release latch Tension release latch

1975-06-30

1979-04-10

Marbert, James B.

Handling: hand and hoist-line implements

Hook, hoistline, or grab type

Locking device

B66C 138

Patent

active

041485149

ABSTRACT:
A tensile load bearing device equipped with a tension bearing link which fractures at a predetermined tensile stress to allow a latch to open and release the load. The invention is designed to prevent the release point from being effected by torsional loads, bending moments, or compressive loads, and will release within a tolerance of about 4% of the desired release tension at loads up to 50,000 pounds.

REFERENCES:
patent: 703713 (1902-07-01), Smith et al.
patent: 2128102 (1938-08-01), Sherman
patent: 2602513 (1952-07-01), Conrad et al.
patent: 2679228 (1954-05-01), Gryce
patent: 2823379 (1958-02-01), Novak
patent: 3107938 (1963-10-01), Schick et al.
patent: 3110331 (1963-11-01), Buchanan
patent: 3298723 (1967-01-01), Damm
patent: 3504407 (1970-04-01), Dawgon

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