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B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
B62M25/00—Actuators for gearing speed-change mechanisms specially adapted for cycles
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FR26049D1922-02-281922-02-28Dispositif de changement de vitesse pour bicyclettes et véhicules analogues
ExpiredFR26049E
(fr)