TWO FRONT-WHEEL TYPE BICYCLE

PROBLEM TO BE SOLVED: To provide a two front-wheel type bicycle having excellent step ride-over performance and safety and capable of easily turning around in a small circle. SOLUTION: The two front-wheel type bicycle is provided with a main frame having a head tube directed in the vertical direction in a front end thereof, a pair of front wheels provided not to be rotated in both ends of a front wheel shaft held under the head tube, a rear wheel rotatably supported by the main frame in a rear end of the main frame, a driving means for driving the front wheels, and a steering means for steering the front wheels. The steering means has a steering wheel and a steering shaft including a vertical steering shaft part extended downward from the steering wheel and rotatably supported by the head tube to turn the front wheel shaft in the lower end thereof. The driving means is provided with a horizontal driving shaft pivotally supported by the main frame, and a vertical driving body provided on the same shaft with the head tube and to be rotated by the horizontal driving shaft, and the vertical driving body rotates the front wheel shaft through a drive interlocking means. COPYRIGHT: (C)2008,JPO&INPIT