| 摘要 |
PURPOSE: To simply realize a low-μroad by providing auxiliary wheels rolled according to the road surface when a vehicle is traveled and connecting members which connect the auxiliary wheels to a car body and holding the car body at the prescribed height for setting the load of the wheels of the vehicle. CONSTITUTION: The car body 2 of a vehicle 1 is constituted of vehicle frames 5, 6 and a body 3. Front and rear auxiliary frames 5, 6 are fitted at the front and rear ends of side members 4a, 4b in place of ordinary bumpers. Auxiliary wheels 7 rolled according to the road surface when the vehicle 1 is traveled and intermediate members 8 connecting the wheels 7 to the frames 5, 6 are provided in addition to the auxiliary frames 5, 6. The auxiliary frames 5, 6 are formed longer than the width of the vehicle 1, they are fitted at the front and rear end sections of the side members 4a, 4b, and the wheels 7 are arranged on the outside of four corners of the vehicle 1. Connecting members receive the road surface reaction force from the wheels 7 and hold the car body 2 at the prescribed height, the load of the car body 2 is also supported by the wheels 7, the load applied to tires 15a, 15b is reduced, and the friction coefficientμis reduced.
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