Draft control system with control valve

Details Draft control system with control valve Draft control system with control valve

1975-03-10

1976-11-30

Stouffer, Richard T.

Earth working

Automatic power control

Draft responsive

91459, 13762568, A01B 63112

Patent

active

039943470

ABSTRACT:
A control valve that forms part of a draft control system is disclosed herein. The control valve is designed to raise the implement with respect to the vehicle at one rate of speed and automatically increase the rate of raising the implement when a predetermined magnitude of change of position is required.

REFERENCES:
patent: 2836196 (1958-05-01), Gunn
patent: 2851938 (1958-09-01), Giertz et al.
patent: 3229391 (1966-01-01), Breitbarth et al.
patent: 3235010 (1966-02-01), North
patent: 3516498 (1970-06-01), Schowalter
patent: 3744374 (1973-07-01), Schneider et al.

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