| 摘要 |
PURPOSE: A jumping bike which can jump by using the rebound of a tension coil spring and compression coil spring is provided to enable a user to make use of various motions of bike. CONSTITUTION: A jumping bike comprises a front frame(30), a rear frame(70), a hinge(80), a tension coil spring(90), and a compression coil spring(100). A nose wheel(20) capable of direction change using a steering wheel(10) is attached to the front frame. A saddle(60) and a back wheel(50), which is driven with a pedal(40), is attached to the rear frame. The hinge connects the front and rear frames to rotate. The tension coil spring is located in the lower part of the hinge and is connected between the front and rear frames. The compression coil spring is located on top of the hinge and is connected between the front and rear frames.
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