Chainless driving device of bicycle

The utility model relates to the chainless driving device of a bicycle. A driving gear arranged on the center shaft of the bicycle through a countercurrent device drives a driven gear provided with the smaller diameter, a driving cone gear is coaxially arranged on the driven gear, and the driving co...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	MA MINWEI
Format:	Patent
Sprache:	eng
Schlagworte:	CYCLES LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS PERFORMING OPERATIONS POWERED PROPULSION OF SLEDGES OR RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES TRANSPORTING
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Beschreibung
Zusammenfassung:	The utility model relates to the chainless driving device of a bicycle. A driving gear arranged on the center shaft of the bicycle through a countercurrent device drives a driven gear provided with the smaller diameter, a driving cone gear is coaxially arranged on the driven gear, and the driving cone gear drives a driven cone gear; besides, the driven cone gear arranged on one end of a transmission shaft is provided with the diameter which is smaller than that of the driving cone gear, the cone gear on the other end of the transmission shaft drives the cone gear arranged on the surface of a backshaft, and the transmission shaft of the driven gear and the driving cone gear is respectively provided with an asymmetric free wheel; besides, the asymmetric free wheel can generate a boosting function. The utility model has the function of two-grade speed increase and the boosting function, the bicycle with the chainless driving device is light and fast, and the boosting function utilizes the inertia of the free wheel.