Harvesters – Platform adjustments
Patent
1974-06-10
1976-05-04
Shapiro, Paul E.
Harvesters
Platform adjustments
A01D 6700
Patent
active
039539598
ABSTRACT:
A height control mechanism for adjustably supporting a header mounted on a base unit of an agricultural harvesting machine. Support for the header is provided by a pivotal connection to the base unit, a plurality of ground engaging slide shoes and one or more hydraulic cylinders extending between the base unit and the header. The hydraulic cylinders are operatively associated with a compensation mechanism adapted to control the height of the header during operation.
Ground sensing members and shut-off means operably associated therewith and with the hydraulic cylinders, are provided for selectively cutting off the discharge of hydraulic pressure fluid from said hydraulic cylinders when at least one ground sensing member contacts the ground and for making the compensation mechanism fully operative.
REFERENCES:
patent: 3088264 (1963-05-01), Sallee
patent: 3151429 (1964-10-01), Dyrdahl
patent: 3238709 (1966-03-01), Williams
patent: 3417555 (1968-12-01), Watkins et al.
patent: 3509701 (1970-05-01), Clarke
patent: 3548573 (1970-12-01), Krehbiel
patent: 3686838 (1972-08-01), Comeau et al.
Brown Joseph A.
Flanagan John R.
Seemar Frank A.
Shapiro Paul E.
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