Quickchange fork

Details Quickchange fork Quickchange fork

1983-04-29

1985-10-01

Spar, Robert J.

Material or article handling

Load engaging structure of elevator or hoist device with...

403 49, 403330, 24512, B66F 912

Patent

active

045443246

ABSTRACT:
A mechanism for removably securing forks to a forklift truck and the like includes a hook shaped upper end for engaging a support shaft mounted on the forklift truck and a freely pivotal release mechanism attached to the shank of the fork having a first surface closely adjacent to the shaft on which the fork is mounted. The pivoting release mechanism precludes disengagement of the hook from the supporting shaft when the fork is in operating position. Upon pivotal movement of the fork about this supporting shaft the pivotally mounted release mechanism pivots under the effect of gravity to present a second surface adjacent to the supporting shaft thereby permitting disengagement of the fork from the shaft.

REFERENCES:
patent: 1362512 (1920-12-01), Schermuly
patent: 1516806 (1924-11-01), Amrin
patent: 3232380 (1966-02-01), Hansen
patent: 4225283 (1980-09-01), Baker et al.
patent: 4426188 (1984-01-01), Wolf et al.

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