Implement level lift system with rephasing valves

Details Implement level lift system with rephasing valves Implement level lift system with rephasing valves

1980-06-05

1982-06-22

Pekar, John A.

Land vehicles

Wheeled

Extensible

91515, 137 99, 172413, A01B 6322

Patent

active

043358942

ABSTRACT:
An agricultural implement having a frame with a pair of wheel assemblies capable of being rotated on the frame by a pair of hydraulic rams to raise and lower the frame relative to the ground. A direction control valve is connected to one end of the ram cylinders and the other ends of the ram cylinders are connected to the direction control valve through a rotary flow divider. A spring-seated check valve is connected across each of the metering gear sets of the rotary flow divider to permit flow to be diverted from a fully extended ram to one that is not yet fully extended.

REFERENCES:
patent: 3495610 (1970-02-01), Van Aken

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