Hook load pin retention system

Details Hook load pin retention system Hook load pin retention system

1975-10-06

1981-03-24

Marbert, James B.

Handling: hand and hoist-line implements

Hook, hoistline, or grab type

Locking device

59 93, 242305R, B66C 134

Patent

active

042576385

ABSTRACT:
A clevis type hook has one leg formed with a partially closed bore opening and another leg formed with a through bore opening arranged in axial alignment with the partially closed bore opening; the bore openings being sized to loosely rotatably support opposite ends of an oval load pin whose width diameter permits non-rotative slip-fitting within a load chain link. The load pin is removably retained within the bore openings by a retaining device fixed to the other clevis leg.

REFERENCES:
patent: 630001 (1899-08-01), Lyman
patent: 1198139 (1916-09-01), Lyon
patent: 1836169 (1931-12-01), Humphreys et al.
patent: 3250171 (1966-05-01), Taylor
patent: 3741599 (1973-06-01), Drayton
patent: 3863441 (1975-02-01), Kaufmann

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