| 摘要 |
Four-wheel pedal vehicle (10) which is used for sporting activities and/or competitive racing or otherwise and comprises a basic frame (13) consisting at least of one central carrying beam (14) connected to a rear triangular or trapezoidal structure (20), the rear structure (20) supporting at least a seat assembly (11) and a rear brake assembly (21), to the central carrying beam (14) there being secured at least one pedal assembly (16), a steering assembly (12), a change gear assembly (17) and a central power distribution assembly (18), the central beam (14) cooperating at its respective ends with a front shaft (22) bearing front directional wheels (24) and a pair of rear half-shafts (23) bearing rear powered wheels (25), the rear powered wheels (25) receiving their motion from the central power distribution assembly (18) through a rear differential gear assembly (33), the steering assembly (12) comprising actuation levers (43) associated in an adjustable manner with respective frontal levers (39a, 39b) solidly secured to the front shaft (22), the frontal levers (39a, 39b) being able to slide on the outside of respective steering guides (44a, 44b) solidly fixed to the rear structure (20). <IMAGE> |
