Patent ID: 9114841
Filing Date: 2015-08-25
Classification: B62K,B62M

Abstract:
1. A bicycle, wherein a plurality of rollers ( 6 ) or a roller module in which the plurality of rollers ( 6 ) is coupled is mounted on a hub ( 2 ) placed at the center of a wheel ( 1 ), the hub ( 2 ) is configured to be rotatably moved while being supported by the rollers ( 6 ), some rollers ( 6 ) of the plurality of rollers ( 6 ) are rotatably assembled with a plurality of roller shafts ( 4 ) coupled with a frame ( 5 ), a single roller ( 6 ) that belongs to the plurality of rollers ( 6 ) and that is not assembled with the roller shafts ( 4 ) is rotatably assembled with a pedal shaft ( 3 ) coupled with the pedals ( 10 ), a pedal-side gear ( 9 ) is fixed to and coupled with the pedal shaft ( 3 ), the pedal-side gear ( 9 ) is engaged with a hub-side gear ( 8 ) installed in the hub ( 2 ) wherein when the pedals ( 10 ) are rotated and the pedal-side gear ( 9 ) is rotated, the hub-side gear ( 8 ) is rotated to rotate the wheel ( 1 ).