Rear wheel steering apparatus

Details Rear wheel steering apparatus Rear wheel steering apparatus

1990-02-01

1990-09-04

Marmor, Charles A.

Motor vehicles

Compensating devices

280 91, 180140, 180142, 192 007, 192 482, B62D 504

Patent

active

049536486

ABSTRACT:
A rear wheel steering mechanism for steering rear wheels of the vehicle is urged by a spring so as to allow the rear wheels to take a neutral position or a position at which the rear wheels run in a straight direction. Control over the driving of the motor connected to the rear wheel steering mechanism allows the rear wheels to be steered at a given steered angle against the urging force of the spring. The rear wheels are always returned to the neutral position by the spring by disconnecting a clutch interposed between the rear wheel steering mechanism and the motor whenever abnormality is found. Presence or absence of abnormality in a drive control system of the motor is checked or an alignment of a reference position of the motor is made, in such a state that the clutch is disconnected, immediately after an ignition switch was turned on yet prior to control of the rear wheel steering.

REFERENCES:
patent: 2903110 (1959-09-01), Moody
patent: 4601357 (1986-07-01), Miyoshi et al.

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