Linkage arrangement for a work implement

Details Linkage arrangement for a work implement Linkage arrangement for a work implement

1995-08-31

1997-03-18

Merritt, Karen B.

Material or article handling

Vertically swinging load support

Shovel or fork type

414685, B66C 2300

Patent

active

056116560

ABSTRACT:
A linkage arrangement for guiding and manipulating a work implement, such as a bucket, includes a V-shaped guide link and a curved implement link. A plurality of pin joints connect the implement link to the bucket, the guide link, and to a fluid cylinder. The fluid cylinder, the guide link, and the implement link cooperate to rotate the bucket between open and closed positions, for digging and carrying materials. The linkage arrangement provides high forces for digging and bucket rotation and desirable lower rotational velocity for clamping object in the fully closed position.

REFERENCES:
patent: 2738889 (1956-03-01), Fritsch
patent: 3042233 (1962-07-01), Wills
patent: 3080076 (1963-03-01), Randall
patent: 3412880 (1968-11-01), Tweedale
patent: 3997068 (1976-12-01), Lock
patent: 3999670 (1976-12-01), Weyhausen
patent: 4360311 (1982-11-01), Dufour
patent: 4810162 (1989-03-01), Foster
patent: 4836741 (1989-06-01), St. Louis et al.
patent: 5244337 (1993-09-01), Stenger

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