The invention relates, in particular, to an electric power-assist device for bicycles, said device comprising: an electric machine (2) comprising a rotor; means (4) for securing the electric machine; a battery (7) for powering the electric machine; means for controlling the electric machine; a driving pinion (3) driven by the rotor of the electric machine; and a frame (10), said device being characterised in that the driving pinion can mesh tangentially with complementary teeth (51) solidly connected to a tyre (5) of a rear wheel (61) of the bicycle, and in that the securing means are borne by the frame, said frame comprising arms (101, 102, 103, 104) that can be secured to the axle of the rear wheel of the bicycle.
Electric power-assist device for bicycles and bicycle equipped with said device
2016-02-24
Patent
Elektronische Ressource
Englisch
IPC: | B62M RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES , Antrieb von Radfahrzeugen oder Schlitten durch den Fahrer |
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