| 摘要 |
A rear wheel steering apparatus comprises an electric motor generating rotational torque, an electric control device controlling the rotation of the electric motor, a motion converting device converting the rotational torque of the electric motor into a propulsion force, an output shaft outputting the propulsion force, a rear wheel steering angle detecting device detecting a steering angle of the rear wheels steered by the output shaft, a regulating member for prohibiting the output shaft from rotating while allowing the output shaft to move axially, a neutral return device manually returning the rear wheels to a neutral position upon failure of the motor or the electric control device, a neutral return detecting device for detecting the return of the output shaft to the neutral position and a neutral return notification device for notifying the return of the output shaft to the neutral position.
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