Patent ID: 6769706
Filing Date: 2004-08-03
Classification: B62K,B62M

Abstract:
A scooter having a steerable front wheel assembly, a rear wheel assembly and a frame linking the front and rear wheel assemblies and including a drive mechanism comprising:(a) a front crankshaft rotatably attached to the frame and comprising a left crank arm and a right crank arm; (b) a rear crankshaft rotatably attached to the frame and comprising a left crank arm and a right crank arm; (c) a left pedal comprising a platform rotatably attached to the front left crank arm and the rear left crank arm; (d) a right pedal comprising a platform rotatably attached to the front right crank arm and the rear right crank arm; and (e) wherein either or both the front crankshaft and the rear crankshaft transmits power to the rear wheel by means of a front sprocket gear, a continuous chain and a rear sprocket gear attached to the rear wheel.