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
B62M3/00—Construction of cranks operated by hand or foot
B62M3/003—Combination of crank axles and bearings housed in the bottom bracket
Landscapes
Engineering & Computer Science
(AREA)
Chemical & Material Sciences
(AREA)
Combustion & Propulsion
(AREA)
Transportation
(AREA)
Mechanical Engineering
(AREA)
Shafts, Cranks, Connecting Bars, And Related Bearings
(AREA)
Pedale munie d'un axe dont la disposition permet de modifier le rayon de pedalage et d'en deplacer son axe de rotation par rapport a celui des manivelles et du pedalier