Harvesting unit height control for a cotton harvester

Details Harvesting unit height control for a cotton harvester Harvesting unit height control for a cotton harvester

1990-12-14

1992-02-25

Novosad, Stephen J.

Harvesters

Motorized harvester

With condition-responsive operation

56 28, 56208, 56DIG10, 56DIG11, A01D 4608, A01D 4620, A01D 6700, A01D 7528

Patent

active

050901842

ABSTRACT:
A system for controlling the elevation of a harvesting unit of a cotton harvester relative to a ground surface. The control system includes a valve assembly whose position controls operation of a lift mechanism connected to the harvesting unit and which is operated by a ground contour sensor assembly carried by the harvesting unit. Harvesting unit elevation is correlated with the extent that the ground contour sensor assembly moves relative to the harvesting unit. The ground contour sensor assembly includes a shoe with a ground engaging surface wherein such surface is movable vertically relative to the harvesting unit and also is pivotable sideways about a fore-and-aft extending axis thereby enhancing ground contact of the sensor assembly with the ground contour.

REFERENCES:
patent: 3176777 (1965-04-01), Bowie
patent: 3196599 (1965-07-01), Meiners et al.
patent: 3417553 (1968-12-01), Hubbard
patent: 3566587 (1971-03-01), Janssen
patent: 3611681 (1971-10-01), Blanton et al.
patent: 3925971 (1975-12-01), Goering et al.
patent: 4229931 (1980-10-01), Schlueter et al.
patent: 4809487 (1989-03-01), Junge et al.
J. I. Case Corporation (822-1844 Cotton Picker) Operator's Manual, 05/1986, p. 73.

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