The gearwheel for motion transmission systems onto cycles is rotatable with respect to its center of rotation and comprises two gearwheel halves centrally symmetrical with respect to the center of rotation and both having a dragging profile adapted to enter at least partially in contact with a flexible element closed in a loop for the driving in motion of a cycle, with the dragging profile which comprises at least five sections having different curvatures between them and comprises a larger diameter and a smaller diameter whose ratio has a value between 1.31 and 1.39.
GEARWHEEL FOR MOTION TRANSMISSION SYSTEMS ONTO CYCLES
KETTENZAHNRAD FÜR EIN FAHRRAD
ROUE DENTÉE POUR SYSTÈMES DE TRANSMISSION DE MOUVEMENT SUR CYCLES
2021-11-17
Patent
Electronic Resource
English
IPC: | B62M RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES , Antrieb von Radfahrzeugen oder Schlitten durch den Fahrer |
GEARWHEEL ARRANGEMENT FOR ELECTRIC VEHICLE TRANSMISSIONS
European Patent Office | 2021
|European Patent Office | 2018
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