Mazda Motor Corporation

Gozo Watanabe

Takeshi Tanaka

Yoshihiro Watanabe

Hitoshi Inoue

A steering mechanism of a vehicle including a four-wheel steering system in combination with a four-wheel drive system having a front wheel steering mechanism for steering front wheels of the vehicle, a steering wheel for effecting a steering movement of the front wheel steering mechanism to a desired angle, a rear wheel steering mechanism for steering rear wheels of the vehicle, a control circuit for effecting a steering movement of the rear wheel steering mechanism in relation to the steering movement of the front wheels, and a torque ratio control assembly for compensating the steering angle of the rear wheels in accordance with torque distribution for the rear wheels. The arrangement is such that a ratio of the steering angle of the rear wheel to the steering angle of the front wheel as considered in the same direction of steering is increased in accordance with an increase in the ratio of the torque distribution for the rear wheels.

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Hiroshima, Japan

Gozo Watanabe