Agricultural pulling machine with automatic pitch vibration damp

Details Agricultural pulling machine with automatic pitch vibration damp Agricultural pulling machine with automatic pitch vibration damp

1989-03-24

1990-05-15

Reese, Randolph A.

Earth working

Processes

172450, 172 2, 280407, A01B 6311

Patent

active

049249436

ABSTRACT:
An agricultural pulling machine such as a tractor or construction machine vehicle with an attachment comprises a mounting device for coupling the attachment to the agricultural machine and a device for active damping of pitch vibrations of the vehicle. The device for active damping including a power lift for moving the mounting device and a regulating device which controls movement of the mounting device in the region of its lifting position in dependence upon the vibrations of the vehicle during travel, and a force sensor producing signals to which the regulating device responds. The mounting device includes a lever, a housing of the vehicle and a side guiding member connecting the lever with the housing of the vehicle. The force sensor is arranged in a force flux of the lever between its connecting point to the housing and a supporting point of the side guiding member, wherein the regulating device is provided with a means for reducing disturbing influences on an operation of the vibration damping device during travel over a curve by the vehicle.

REFERENCES:
patent: 4108463 (1978-08-01), Old
patent: 4132273 (1979-01-01), Mortonson et al.
patent: 4236724 (1980-12-01), Schillings
patent: 4271910 (1981-06-01), Schafer
patent: 4385353 (1983-05-01), Schneider
patent: 4470121 (1984-09-01), Ebert
patent: 4667744 (1987-05-01), Kauss et al.
patent: 4679633 (1987-07-01), Kauss
patent: 4796712 (1989-01-01), Rutkowski et al.
patent: 4809179 (1989-02-01), Klinger et al.

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