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

1987-04-27

1989-08-22

Spar, Robert J.

Material or article handling

Vertically swinging load support

Shovel or fork type

414714, 414722, 37118R, E02F 343

Patent

active

048591300

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: 2612280 (1952-09-01), Stueland
patent: 2760284 (1956-08-01), Cook
patent: 2772798 (1956-12-01), McClenny
patent: 3362554 (1968-01-01), Fortier
patent: 3807587 (1974-04-01), Maurer
patent: 3921316 (1975-11-01), Moreau
patent: 4080746 (1978-03-01), Frazzini
patent: 4523397 (1985-06-01), Lucas

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