Implement mounted depth control system

Details Implement mounted depth control system Implement mounted depth control system

1998-12-17

2000-06-20

Pezzuto, Robert E.

Earth working

Automatic power control

Land leveller type

172 2, 172322, 172474, A01B 63111

Patent

active

060766115

ABSTRACT:
A depth control system for controlling the working depth of an implement. The depth control system includes a monitor having an automatic mode of operation and a manual mode of operation wherein the automatic mode of operation provides preset, discrete working depth positions for the implement, and the manual mode of operation provides a continuous range of selectable positions. The monitor receives input signals from a position sensor mounted to the frame of the implement, and the position sensor includes a movable arm in sliding contact with an actuator arm mounted to a rock shaft of the implement whereby movement of the rock shaft and actuator arm causes the movable arm of the position sensor to move and provide different input signals to the monitor corresponding to the different positions of the rock shaft. The monitor provides an output signal to a hydraulic valve for controlling one or more hydraulic cylinders which actuate the rock shaft in movement to position the working depth of the implement. The monitor compares the input signal from the position sensor to an operator selected position, and provides an output signal to the hydraulic valve to cause the hydraulic cylinders to be actuated until the input signal matches the operator selected position. The hydraulic valve, position sensor and actuator arm include brackets for facilitating retrofit of the depth control system to an existing implement.

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