| 摘要 |
<p>PURPOSE: A power transmission structure of an electrical bicycle is provided to operate a bicycle by delivering the power of a motor and the power of stepping a pedal to a drive sprocket without interference. CONSTITUTION: A power transmission structure(5000) of an electrical bicycle comprises a drive motor, an outer shaft(580), a drive motor-connected one way clutch, and a pedal-connected one way clutch. The drive motor is mounted on the bicycle. The outer shaft is coupled on a drive sprocket(50) of the bicycle. The inner wheel of the drive motor-connected one way clutch is mounted on the outer shaft and the inner wheel of the drive motor-connected one way clutch is delivered with power of the drive motor. The inner wheel of the pedal-connected one way clutch is mounted on a crank shaft(590) of the bicycle and the outer wheel of the pedal-connected one way clutch is combined with the drive sprocket of the bicycle.</p> |
