An electric power-assist device for a bicycle includes an electrical machine with a rotor, a connector structured to attach to the electrical machine, a battery arranged to power the electrical machine, a controller arranged to control the electrical machine, a drive pinion arranged to be driven by the rotor of the electrical machine, and a supporting structure. The drive pinion is structured to mesh tangentially with a complementary toothing integral to a tyre of a rear wheel of the bicycle. The connector is borne by the supporting structure. The supporting structure includes arms attachable to an axle of the rear wheel of the bicycle.
ELECTRIC POWER-ASSIST DEVICE FOR BICYCLES AND BICYCLE EQUIPPED WITH SAID DEVICE
2016-06-16
Patent
Electronic Resource
English
Electric power-assist device for bicycles and bicycle equipped with said device
European Patent Office | 2018
|Electric power-assist device for bicycles and bicycle equipped with said device
European Patent Office | 2016
|ELECTRIC POWER-ASSIST DEVICE FOR BICYCLES AND BICYCLE EQUIPPED WITH SAID DEVICE
European Patent Office | 2016
|Electric power-assist device for bicycles and bicycle equipped with said device
European Patent Office | 2016
|Electric power-assist device for bicycles and bicycle equipped with said device
European Patent Office | 2018
|