Patent ID: 6011366
Filing Date: 2000-01-04
Classification: B62M

Abstract:
An electric bicycle comprisinga rear wheel being smaller than a front wheel in outside diameter,an electric motor mounted on a body of the bicycle externally of an outer periphery of the rear wheel, the motor being positioned in the vicinity of the outer periphery of the rear wheel, anda belt transmission mechanism for transmitting the rotation of the motor to the rear wheel using speed reduction, the belt transmission mechanism comprising:a drive pulley provided externally of the outer periphery of the rear wheel for receiving the power of the motor, the drive pulley being positioned in the vicinity of the outer periphery of the rear wheel,a driven pulley having approximately the same diameter as a rim of the rear wheel and so disposed as to be rotatable with the rear wheel alongside the rim, anda belt reeved around the drive pulley and the driven pulley.