Hand-foot compound bicycle with double ratchet
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United States of America Patent
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Jun 16, 2015
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app pub date -
Dec 16, 2013
filing date -
Oct 22, 2013
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Abstract
Disclosed is a hand-foot compound bicycle with a double ratchet, which comprises a handle assembly which comprises a crank handle for generating handle power, and an upper gear to be rotated by rotation of the crank handle; a pedal assembly which comprises a pedal for generating pedal power, and transfers both or either one of the handle power and the pedal power to a rear wheel; and a power transfer unit which comprises a first power transfer gear corresponding to the upper gear, and a second power transfer gear for transferring the handle power from the first power transfer gear to the pedal assembly.
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