BICYCLE GEARING AND TRIDLE USING SUCH A GEARING

The utility model relates to a bicycle gear transmission device which comprises a first pedal shaft (1), a second pedal shaft (2) and a wheel shaft (3), a first small gear (11) and a second small gear (21) which are meshed with each other are installed on the first pedal shaft (1) and the second ped...

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Bibliographische Detailangaben
1. Verfasser:	YU XITING
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ACCESSORIES PECULIAR TO CYCLES AND NOT OTHERWISE PROVIDED FOR,e.g. ARTICLE CARRIERS, CYCLE PROTECTORS CYCLE AXLE SUSPENSIONS CYCLE FRAMES CYCLE SADDLES OR SEATS 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 bicycle gear transmission device which comprises a first pedal shaft (1), a second pedal shaft (2) and a wheel shaft (3), a first small gear (11) and a second small gear (21) which are meshed with each other are installed on the first pedal shaft (1) and the second pedal shaft (2) respectively, a driven gear (31) is installed on the wheel shaft, a first large gear (13) is installed on the first pedal shaft, a second large gear (23) is installed on the second pedal shaft, and the first small gear (11) and the second small gear (21) are meshed with each other. And the bull gear I and the bull gear II are respectively meshed with the driven gear. The tricycle comprises a frame (4), a left front wheel (5), a right front wheel (6), a rear wheel (7), a saddle (8) and a transmission case (9), a bicycle gear transmission device is arranged on the transmission case (9), and a left pedal and a right pedal are installed on a first pedal shaft and a second pedal shaft respectively. The tran