Apparatus for leveling a combine

Details Apparatus for leveling a combine Apparatus for leveling a combine

1985-09-20

1987-09-29

Peshock, Robert

Harvesters

Platform adjustments

Side hill

130 27AE, 280 611, 180 41, A01D 4112, A01D 7528

Patent

active

046961526

ABSTRACT:
Apparatus for leveling the front axle of an agricultural combine includes left and right wheel linkages in the form of four-bar linkages. A connecting rod synchronizes the motion of the four-bar linkages. Hydraulic cylinders are connected between the vehicle frame and the wheel linkages respectively to actuate the linkages such that as one wheel is raise above the axle the other wheel is lowered beneath the axle substantially the same amount as the first wheel is raised thereby maintaining the axle in a generally horizontal disposition.

REFERENCES:
patent: 2801511 (1957-08-01), Vogelaar
patent: 3160221 (1964-12-01), Boone
patent: 3309097 (1967-03-01), Seeber
patent: 4126322 (1978-11-01), Mika
patent: 4209072 (1980-06-01), Orlandea et al.
patent: 4289214 (1981-09-01), Spence
patent: 4484765 (1984-11-01), Appelblatt et al.
patent: 4534575 (1985-08-01), Grove et al.

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