COMPLEX DRIVEN DEVICE FOR A BICYCLE REAR WHEEL, CAPABLE OF ENABLING EASY ASSEMBLY AND DISASSEMBLY FOR CLEANING AND REPAIRING

摘要

PURPOSE: A complex driven device for a bicycle rear wheel is provided to be easily assembled in a hub of a bicycle rear wheel since an acceleration sprocket unit is coupled in a rotation increasing gear to be rotatable.;CONSTITUTION: A complex driven device for a bicycle rear wheel comprises a driven sprocket unit(S1), a rotation increasing gear(A), and an acceleration sprocket unit(S2). The driven sprocket unit is coupled with the spline shaft of a rear wheel hub. The rotation increasing gear is fixed and installed in a screw part of the support shaft of the rear wheel hub. The acceleration sprocket unit is installed in the support pipe of the rotation increasing gear. The rotation increasing gear comprises multiple electrically-powered gears(3g) and an output gear(3u).;COPYRIGHT KIPO 2011