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
B62M11/00—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels
B62M11/04—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio
B62M11/06—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio with spur gear wheels
Dispositif d'assemblage d'une bicyclette equipee avec un systeme de pedalier et propulse par le conducteur par ses pieds en mouvement alternatif vertical et reciproque.
Transmission de la force d'un guidon oscillant a la propulsion de la roue avant d'un velo et de tout autre engin utilisant des pedales, un guidon et des roues