Remotely adjustable disk leveling system

Details Remotely adjustable disk leveling system Remotely adjustable disk leveling system

1987-11-30

1989-03-07

Johnson, Richard J.

Earth working

Actuator on trailing implement, controlled from propelling...

Servo-motor on implement

172328, 744248R, A01B 6300

Patent

active

048097861

ABSTRACT:
Adjustable link structure for providing on-to-go disk harrow adjustment from the cab of the towing vehicle. The mechanism for automatically maintaining the frame of a disk harrow at a level condition as the frame is raised and lowered relative to the ground includes an adjustable link member with a rotary hydraulic motor utilized to adjust a mechanical screw type mechanism to maintain a set adjustment position independently of continued fluid pressure to the motor.

REFERENCES:
patent: 3809165 (1974-05-01), Miller
patent: 3912017 (1975-10-01), Rehn
patent: 4325274 (1982-04-01), Martelee
patent: 4379491 (1983-04-01), Riewerts
patent: 4506590 (1985-03-01), Miko

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