A clutch type electric drive device for a bicycle has a support shaft tube, a motor, a decelerating device, a unidirectional clutch bearing, an input gear shaft, a pedal shaft, an axle bracket, an axle casing and a ratchet. The motor is fixed in the support shaft tube with a driving shaft. The decelerating device is disposed on the driving shaft of the motor and outputs power through an output shaft. A fixing hole is configured on the top of the input gear shaft. An inner and outer ring of the unidirectional clutch bearing is configured on the output shaft and fixed in the fixing hole respectively. The axle bracket is configured at the bottom of the support shaft tube. The pedal shaft is fitted in the axle bracket. The axle casing is an elongated tubular member. The ratchet is connected to the pedal shaft.
CLUTCH TYPE ELECTRIC DRIVE DEVICE FOR BICYCLE
2018-10-04
Patent
Electronic Resource
English
CLUTCH MECHANISM FOR A BICYCLE OR FOR A BICYCLE HAVING AN ADDITIONAL ELECTRIC DRIVE
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