All-wheel steering

Details All-wheel steering All-wheel steering

1989-09-29

1992-03-03

Marmor, Charles A.

Motor vehicles

Including one or more ski-like or runner members

With at least one surface-engaging propulsion element

180143, 280 91, B62D 512

Patent

active

050924192

ABSTRACT:
An all-wheel steering control or regulating device for vehicle rear wheel steering, which is motor-driven and permits any desired predeterminable steering angles of the rear wheels as a function of the steering angles of the front wheels or other parameters. In the event of error detection in the system, a drive motor of the rear wheel steering is switched to an inoperative condition and a hydraulic positive coupling between front wheel steering and rear wheel steering is simultaneously established by means of separate piston-cylinder units, with the result that the rear wheels are steered simultaneously with the front wheels.

REFERENCES:
patent: 2761693 (1956-09-01), Stover
patent: 3516260 (1970-06-01), Wood
patent: 3556243 (1971-01-01), Susag
patent: 4591177 (1986-05-01), Perlini
patent: 4926954 (1990-05-01), Ataka et al.

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