| 摘要 |
<p>A front two-wheel type tricycle, comprising a main frame (2), a steering shaft (7) rotatably pivoted at the front end of the main frame (2), and two front fork members (9) fitted to the steering shaft (7) so as to be rotated integrally with the steering shaft (7) and pivotally supporting front wheels (F) apart from each other in the lateral direction of a body, each of the front fork members (9) further comprising a base part (11) fitted to the steering shaft (7), a front wheel support part (12) longitudinally movably and unrotatably supported on the base part (11) relative to each other and pivotally supporting the front wheel (F), and an elastic member (13) energizing the front wheel support part (12) downward, wherein one front wheel (F) and the other front wheel (F) are formed so that distances thereof from the lower end of the steering shaft (7) are variable, independently of each other, according to loads acting on the front wheels (F).</p> |
