Patent ID: 9073597
Filing Date: 2015-07-07
Classification: B62K,B62M,Y10T

Abstract:
1. A crank system, comprising: a rotating bar fixedly coupled to a first end of a first axle, the rotating bar adapted for actuating a wheel; a first crank assembly coupled to the first end of the first axle and coupled to a first pedal; a second crank assembly coupled to a second end of the first axle and a second pedal, wherein 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, wherein the first crank assembly comprises a first crank arm fixedly coupled to the first axle, a first mid crank arm, a first pedal crank arm, and the first pedal and the second crank assembly comprises a second crank arm fixedly coupled to the first axle, a second mid crank arm, a second pedal crank arm and the second pedal, and wherein the first crank arm fixedly coupled to the first axle and the second crank arm fixedly coupled to the first axle are adapted such that during rotation the first crank arm fixedly coupled to the first axle and the second crank arm fixedly coupled to the first axle are positioned longitudinally opposed during a rotational cycle, and the first mid crank arm is rotatably coupled to the first crank arm, and the first pedal crank arm is rotatably coupled to the first mid crank arm and the first pedal.