| 摘要 |
PURPOSE: A siamese bicycle is provided to enable a rider to make conversation with a passenger looking at his/her face during riding. CONSTITUTION: A siamese bicycle comprises a rotating unit, a frame unit, a steering unit, a pedal rotating unit, a manipulating unit and an accessory. The rotating unit consists of four wheels, which are arranged so that the contact points of a pair of front wheels(11,12) and a pair of rear wheels(15,16) coincides to each vertex of a rectangle. The frame unit fixes a transversal frame on two or more positions of a pair of two wheel bicycles. The steering unit comprises a pair of handle bars, a pair of handle stems, a pair of forks and a steering tool. The pedal rotating unit comprises pedals, crank rods, a shaft fixing frame, a longitudinal frame, pedal shafts, a rear-wheel shaft and sprockets. For the pedal rotating unit, inner facing pedals are integrally connected by a pedal bridge(69). The manipulating unit comprises brakes, brake cables, brake bars, speed manipulating cables and a speed manipulator.
|
