Patent ID: 6595535
Filing Date: 2003-07-22
Classification: B62M

Abstract:
A bicycle comprising a rear wheel (22) or flywheel, a pedal group comprising a central shaft (14) and a gear wheel (5) integrally coupled with each other, a left crank (16) and a right crank (16), said left crank (16) and right crank (16) being rotatably coupled at a first end with the central shaft (14) by mechanical means (15, 16, 19) providing a freewheel relationship between each crank (16) and the central shaft (14), and left and right pedals (12) being respectively directly coupled to an opposite end of said pedal cranks (16), and wherein the central shaft (14) of the pedal group, which is placed parallel with respect to a hub of rear wheel (22), is provided externally, above, with respect to the circumference of said rear wheel (22), within an angle (&agr;) between Â±30Â° with respect to a line (h) passing through a contact point between the wheel (22) and the ground and the hub (23).