Self-leveling and height control hydraulic system

Details Self-leveling and height control hydraulic system Self-leveling and height control hydraulic system

1980-06-05

1982-07-06

Pekar, John A.

Land vehicles

Wheeled

Extensible

91515, 137 99, 172401, 172413, A01B 6322

Patent

active

043379591

ABSTRACT:
An implement having a rotary flow divider controlling fluid to and from at least two independent hydraulic rams for raising and lowering the implement in a level manner. A counter totals the revolutions of the flow divider and actuates an electrical circuit which controls solenoid valves to stop the implement at the proper height.

REFERENCES:
patent: 3065602 (1962-11-01), Curlett
patent: 3154925 (1964-11-01), De Vita
patent: 3495610 (1970-02-01), Van Aken
patent: 4221266 (1980-09-01), Fardal

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