| 摘要 |
PURPOSE:To provide a bicycle not obstructive to advantages of simplicity and low pollution which are realized properly by pedaling with man power, and capable of comfortable travel even when it is difficult to pedal with man power only. CONSTITUTION:A bicycle is provided with 1st. detection sensor 1 to detect and speed reduction, when the speed is reduced in an acceleration time for starting or overtaking notwithstanding a specified torque is applied on pedals P of the bicycle by man power of an occupant, and its release, and an auxiliary power device consisting of an electric motor 3 or the like to reduce loads on pedals P with an auxiliary power basing on the detection of the 1st. detection sensor 1, and to release the operation of the auxiliary power. |
