| 摘要 |
A motor vehicle having wheels arranged in tandem along the longitudinal axis of the vehicle, and which includes a steering mechanism and a supporting frame. The vehicle is provided with a pair of wheels disposed in bilaterally symmetrical spaced-apart relationship to the longitudinal axis of the vehicle and strut means securing the wheels to the vehicle for verticle-swinging movement between retracted and extended positions. There are means coupled between the wheels and the steering mechanism of the vehicle for steering the wheels in synchronism with the vehicle's steering mechanism in all positions of the wheels between their retracted and extended positions. There are also provided motor means for moving the wheels between their retracted and extended positions, and switch means for selectively operating the motor means to retract and extend the wheels.
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