| 摘要 |
PURPOSE: A stand-type unicycle is provided to drive at high speed by increasing the RPM of wheels according to the diameter ratio of a driving disk and a driven disk when a pedal shaft is rotated. CONSTITUTION: A stand-type unicycle comprises a pedal shaft(10), a wheel hub(20), a driving disk(30), a driving shaft(40), a driven shaft(50), a power control part, and a driven disk(60). A first pedal(11) and a second pedal(12) are installed in both ends of the pedal shaft. The pedal shaft penetrates through a core slot of the wheel hub. A rim is connected to the outside of the wheel hub by radial spoke. The center of the driving disk is fixed on the pedal shaft. Driving gear teeth(31) are formed on the circumferential surface of the driving disk. When the pedal shaft rotates, the driving disk is interlocked and rotated. A side gear(52) engaged with the driving gear is arranged in one end of the driven shaft. Multiple transmission gears(51) are arranged in the other end of the driven shaft. The power control part transfers or blocks the power of the driving gear and the driven gear.
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