| 摘要 |
PROBLEM TO BE SOLVED: To establish mode selectability for up-down of the car height, revolution, sideways movement, etc., by using wheels having a hemispherical shape and changing their rotating direction and toe amount. SOLUTION: A four-wheel drive car is equipped with four arms 20 supported in the front and rear and on the left and right of a vehicle frame 10 in such a way as rotatable in the horizontal and vertical directions independently, a locking mechanism capable of locking and unlocking in specified position each arm 20 rotating in the horizontal and vertical directions relative to the frame 10, and a hemispherical wheel 42 provided at the forefront of each arm 20 and rotated in both directions regular and reverse by respective drive sources (for example, motors). |
