Bottom cultivating machine and field cultivating machine for for

Details Bottom cultivating machine and field cultivating machine for for Bottom cultivating machine and field cultivating machine for for

1996-12-05

2000-07-18

Novosad, Christopher J.

Earth working

Automatic power control

Land leveller type

172239, 701 50, E02F 100

Patent

active

060893273

ABSTRACT:
A bottom cultivating machine including a laser emitter for emitting a plane signal of a laser beam, a laser detector which is secured to a frame and detects the plane signal to output an attitude control signal, a horizontal detector having a horizontal sensor which is secured to the frame and serves to detect the level of the front end portion of the bottom cultivating machine in a cultivation progress direction, and a controller for controlling the height of the bottom cultivating machine on the basis of the attitude control signal and controlling the attitude of the bottom cultivating machine on the basis of a signal output from the horizontal sensor by upwardly or downwardly moving a gage wheel or a heel which is provided at the rear portion of the bottom cultivating machine.

REFERENCES:
patent: 5005652 (1991-04-01), Johnson
patent: 5110202 (1992-05-01), Dornbusch et al.

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