Material handling attachment for a tractor having a multiple-poi

Details Material handling attachment for a tractor having a multiple-poi Material handling attachment for a tractor having a multiple-poi

1985-12-27

1990-04-10

Spar, Robert J.

Material or article handling

Vertically swinging load support

Shovel or fork type

172445, 2804611, 414920, B66F 900

Patent

active

049155750

ABSTRACT:
A material handling attachment such as a bucket or the like is pivotally secured to the three-point hitch assembly of the tractor. The hitch assembly is movable between a lower position and an upper position by means of standard equipment on the tractor. A mechanical linkage interconnects the bucket, hitch assembly and the tractor so that the bucket will be in a substantially level position when the hitch assembly is in its lowermost position. As the hitch assembly is moved upwardly relative to the tractor, the linkage maintains the bucket in a level position. When the hitch assembly reaches its uppermost position, the linkage causes the bucket to be moved to a dumping position. After the material in the bucket has been dumped therefrom, the three-point hitch assembly is lowered with the bucket being automatically re-set to its operative or working position.

REFERENCES:
patent: 2624481 (1953-01-01), Richey
patent: 2760284 (1956-08-01), Cook
patent: 2772798 (1956-12-01), McClenny
patent: 3127999 (1964-04-01), Gostomski
patent: 3528685 (1970-09-01), Eastman
patent: 4024974 (1977-05-01), Hodge
patent: 4324525 (1982-04-01), Lane et al.
patent: 4746254 (1988-05-01), Langenfeld et al.
patent: 4753568 (1988-06-01), Langenfeld et al.

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