Harvesting machine

Details Harvesting machine Harvesting machine

1992-08-25

1994-05-10

Rosenbaum, Mark

Harvesters

Motorized harvester

With condition-responsive operation

56DIG15, A01D 4500, G01L 102

Patent

active

053097009

ABSTRACT:
A combine has a forward vertically adjustable header or attachment for removing crop material from the field. The header is pivotally mounted on the combine frame and is vertically adjusted by varying the length of a hydraulic cylinder that has one end attached to the header and its other end attached to the combine frame by a pivot pin that includes a force sensor that generates an electric signal proportional to the weight of the header supported by the cylinder. The electric signal provides an input to a control system that controls the flow of hydraulic fluid to and from the hydraulic cylinder.

REFERENCES:
patent: 3623301 (1971-11-01), Hofer
patent: 3698164 (1972-10-01), Boone et al.
patent: 3886718 (1975-06-01), Talbot
patent: 4180966 (1980-01-01), Zen
patent: 4332126 (1982-06-01), Van Auwelaer et al.
patent: 4414792 (1983-11-01), Bettencourt et al.
patent: 4631907 (1986-12-01), Zirps
patent: 4640368 (1989-02-01), Kittle et al.
patent: 4873817 (1989-10-01), Harms
patent: 4982613 (1991-01-01), Becker
Robert Bosch GmbH-Elektronischer Kraftsensor Publicatoin KG/VKD-2 Bey 005/5 DE (May 1982) (Including p. 120 of "Weiters Information" 1984.

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