Lever driving device for bicycle

The utility model discloses a lever driving device for a bicycle, which comprises a right crank 3 which is fixed to a middle axle 1, the front end of a lever 4 which is arranged on the right crank 3, and a fulcrum shaft 5 which is fixed to a bicycle frame 13. A pinion 10 which is arranged on a back...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	QINGLI CUI
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 discloses a lever driving device for a bicycle, which comprises a right crank 3 which is fixed to a middle axle 1, the front end of a lever 4 which is arranged on the right crank 3, and a fulcrum shaft 5 which is fixed to a bicycle frame 13. A pinion 10 which is arranged on a back axle sleeve 11 is engaged with a gearwheel 9 which is arranged on the left side of a gear shaft 8, and a slide plate 10 is arranged on the right side of the gear shaft 8; in addition, the back end of the lever 4 is provided with a small shaft 6 which is arranged in a slot of the slide plate 10. The driving device with the structure is a function driving; compared with the existing chain driving, the utility model has the advantages of labor saving and big driving power.