Apparatus for maintaining attitude of bucket carried by loading/

Details Apparatus for maintaining attitude of bucket carried by loading/ Apparatus for maintaining attitude of bucket carried by loading/

1991-11-25

1994-10-18

Huppert, Michael S.

Material or article handling

Vertically swinging load support

Shovel or fork type

414708, 414701, E02F 343

Patent

active

053562607

ABSTRACT:
A loading/unloading vehicle having booms and a bucket carried thereon such as a shovel loader, a wheel loader or the like vehicle detects that a true bucket-to-ground angle coincides with a preset angle after the vehicle starts automatic turning movement of the bucket. When the coincidence is detected, the automatic turning movement of the bucket is interrupted. Thereafter, a differential value between the true bucket-to-ground angle and the preset angle is determined, if any and then the bucket angle is corrected so as to allow the differential value to be reduced to zero. Consequently, the bucket is held at the preset angle after the bucket stops, even though the booms continue to be turned.

REFERENCES:
patent: 3547293 (1970-12-01), Borer et al.
patent: 3659734 (1972-05-01), Fuzzell
patent: 4037519 (1977-07-01), Miller et al.
patent: 4377043 (1983-03-01), Inui et al.
patent: 4844685 (1989-07-01), Sagaser
patent: 4923362 (1990-05-01), Fryk

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