BICYCLE OR MOTORCYCLE TRANSMISSION (EMBODIMENTS) Russian patent published in 2019 - IPC B62M11/04 

FIELD: machine building.

SUBSTANCE: group of inventions relates to machine building, particularly to transmissions. Transmission of bicycle or motorcycle contains primary shaft and transmission shaft. Primary shaft is connected to the transmission shaft. Transmission shaft is connected to the axis of the driving wheel. Said transmission includes disc wheel element fixed on drive wheel axle and drive gears. Drive gear most distant from the axis of the driving wheel is installed on the transmission shaft on the overrunning clutch. Other driving gears are installed on transmission shaft on controlled couplings. According to the first version, the controlled coupling is equipped with a retractable retainer. According to the second version, the controlled coupling is equipped with a wedging element. According to the third version, the controlled coupling is equipped with a wedging element and a pusher. According to the fourth version, the controlled clutch is equipped with a wedging element, a carrier and a retractable retainer. According to the fifth version, the controlled coupling is equipped with a wedging element and a control bushing.

EFFECT: reduced friction in coupling control elements.

31 cl, 42 dwg