Patent ID: 9221516
Filing Date: 2015-12-29
Classification: B62M,F16H

Abstract:
1. A hub motor structure installed on a bicycle, the hub motor structure comprising: a hollow shaft installed on a frame of the bicycle; a housing rotatably installed on the hollow shaft, and connected to a wheel at an outer circumferential surface thereof through spokes; a cover rotatably installed on the hollow shaft while installed on the housing, and on which a driven sprocket connected to a chain is provided to receive a pedaling force; a motor disposed in the housing and generating a rotary force to drive the wheel; a continuous variable transmission (CVT) disposed in the housing to selectively shift power supplied from the motor; a power transmission unit configured to transmit a rotary force of the motor to the CVT; and a gear unit configured to transmit a rotary force output from the CVT to the housing.