Patent ID: 6793598
Filing Date: 2004-09-21
Classification: B62M

Abstract:
Rear dÃ©railleur device, for a bicycle equipped with a bicycle chain and a set of rear pinions, comprisinga rotatable base provided with a return spring forcing said base in an anticlockwise direction, guiding/dÃ©railleur means fixedly connected with said base, a movable tension plate pivotally connected with the guiding/dÃ©railleur means, and a guiding/dÃ©railleur roller in alignment with the moveable tension plate, said guiding/dÃ©railleur roller being mounted freely rotatable in a position immediately downstream of the tension plate relative to a path and direction of travel of said chain, wherein the chain passes over the guiding/dÃ©railleur roller, and wherein the guiding/dÃ©railleur roller is supported in the plane of the chain by translation adjustment means.