All-wheel steering for motor vehicles

Details All-wheel steering for motor vehicles All-wheel steering for motor vehicles

1991-04-12

1992-12-08

Hill, Mitchell J.

Motor vehicles

Including one or more ski-like or runner members

With at least one surface-engaging propulsion element

280 91, B62D 500, B62D 600, B62D 714

Patent

active

051689480

ABSTRACT:
A rear wheel steering is operated by a mechanical gear, which is connected on an input side to a front wheel steering. The gear has a controllable transmission ratio, a control element controlling the transmission being adjusted against spring force by a self locking free positioning motor. In the event of failure of a control unit operating the positioning motor as a function of the travelling speed, a maximum transmission ratio for deflection in the same direction of the front wheels and rear wheels is set by spring force.

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patent: 4976328 (1990-12-01), Ohmura
patent: 5014801 (1991-05-01), Hirose

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