Earth working – Automatic power control – Draft responsive
Patent
1975-03-10
1976-11-30
Stouffer, Richard T.
Earth working
Automatic power control
Draft responsive
336136, A01B 63112
Patent
active
039943488
ABSTRACT:
The sensing system disclosed herein is adapted to control the position and/or draft of an implement connected to a vehicle through draft arms that are positioned by a rock shaft. The setting of the rock shaft is accomplished by a hydraulic motor having fluid supplied thereto by a control valve and the desired setting is made by a manual control lever. The control lever, rock shaft and draft arms have sensing devices associated therewith, each of which includes a variable inductance coil fixed on the vehicle and a plunger movable with respect to the coil. Each sensing device has a continuous output which is the function of the position of the member associated therewith.
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J. I. Case Company
Stouffer Richard T.
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