Variable-speed bicycle

The utility model relates to a variable-speed bicycle comprising handlebars and gear shift stayguys, wherein a chain wheel is arranged at one end of a power output shaft; pedal support rods are arranged at both ends of a driving shaft; a gearbox is arranged on the driving shaft; a steering device is...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	WU SHANMING
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CYCLE AXLE SUSPENSIONS CYCLE FRAMES CYCLE SIDE-CARS, FORECARS, OR THE LIKE CYCLE STEERING DEVICES CYCLES LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS PERFORMING OPERATIONS POWERED PROPULSION OF SLEDGES OR RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FORCYCLES TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES TRANSPORTING
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Beschreibung
Zusammenfassung:	The utility model relates to a variable-speed bicycle comprising handlebars and gear shift stayguys, wherein a chain wheel is arranged at one end of a power output shaft; pedal support rods are arranged at both ends of a driving shaft; a gearbox is arranged on the driving shaft; a steering device is also arranged on the gearbox; and the steering device is connected with gear shift devices which are arranged on the handlebars through the gear shift stayguys. The variable-speed bicycle has the advantages of safety and reliability, flexible gear shifting and speed changing, convenience, fastness, labor saving and lubrication, small friction force, fast riding speed, environmental protection, energy conservation and body building.