Rear wheel turning system

Details Rear wheel turning system Rear wheel turning system

1989-04-06

1990-12-11

Marmor, Charles A.

Motor vehicles

Including one or more ski-like or runner members

With at least one surface-engaging propulsion element

180 791, 280 91, B62D 504

Patent

active

049763288

ABSTRACT:
A rear wheel turning mechanism of a four wheel steering system includes a rear wheel turning rod which is connected to the rear wheels of the vehicle and is adapted to be displaced so as to turn the rear wheels. An electric motor is operatively connected to the rear wheel turning rod and the steering wheel so as to displace the rear wheel turning rod, which turns the rear wheels in response to the operation of the steering wheel. A rear-wheel-neutralizing spring urges the rear wheel turning rod to the neutral position in which the rear wheels are held in the straight-ahead position. A clutch is interposed between the electric motor and the rear wheel turning rod and is adapted to disconnect the latter from the former to permit the latter to return to the neutral position under the force of the rear-wheel-neutralizing means.

REFERENCES:
patent: 4645025 (1987-02-01), Ohe et al.
patent: 4782907 (1988-11-01), Morishita et al.
patent: 4837690 (1989-06-01), Morishita et al.
patent: 4854410 (1989-08-01), Kanazawa et al.

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