Patent ID: 8448736
Filing Date: 2013-05-28
Classification: B62J,B62M

Abstract:
1. A bicycle deriving driving force by a motor-generator having a rotating plate ( 10 ) of a nonmagnetic material having a plurality of radially fixed magnets ( 11 , 11 ′), fixed plates ( 20 , 20 ′) of a nonmagnetic material which are placed on both sides of the rotating plate ( 10 ) and have a plurality of horizontally wound coil units ( 21 , 21 ′) corresponding to the magnets ( 11 , 11 ′), and a rotating axis ( 12 ) which is mounted on a center of the rotating plate ( 10 ) and at both ends of which are fixed the plates ( 20 , 20 ′) through the bearings, the bicycle comprising: a motor-generator ( a power transmission means including a driving pulley ( a control box ( a change-over switch ( a bend shaped support ( wherein the coil units (