Crank systems and methods
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United States of America Patent
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Jul 7, 2015
Grant Date -
Apr 30, 2015
app pub date -
Oct 25, 2013
filing date -
Oct 25, 2013
priority date (Note) -
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Abstract
A crank system of the present disclosure has a rotating bar that is fixedly coupled to a first end of a first axle and for actuating a wheel, a first crank assembly coupled to the first end of the first axle and coupled to a first pedal, and a second crank assembly coupled to a second end of the first axle and a second pedal. The first crank assembly and the second crank assembly are coupled to the first axle such that the rotating bar is aligned with a wheel gear assembly adapted for rotating the wheel when the first pedal and second pedal are at their zenith and nadir positions, alternatively.
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