DRIVING FORCE TRANSMISSION DEVICE

PROBLEM TO BE SOLVED: To prevent generation of moment when the driving force is transmitted from a driven sprocket to an elastic member. SOLUTION: In this device, an accommodation space 10 is formed by making a through hole to the side of a sprocket 7 driven by a chain 8, in which an elastic member...

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Bibliographische Detailangaben
Hauptverfasser:	NORO HIROSHI, ISHIDA MASAO, IWASE NORITOSHI
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:	PROBLEM TO BE SOLVED: To prevent generation of moment when the driving force is transmitted from a driven sprocket to an elastic member. SOLUTION: In this device, an accommodation space 10 is formed by making a through hole to the side of a sprocket 7 driven by a chain 8, in which an elastic member 11 is fitted. The outer side of the elastic member 11 is stopped to prevent drawing by placing a stop disk 12. An engaging part 21 projecting from the stop disk 12 is engaged with the slit made in the elastic member 11. An end of a bolt 13 is installed to a side 14 of a hub 5, and the other end of the bolt 13 is inserted in a through hole 22 provided in a boss 23 integrated with the engaging part 21, and a nut 16 is fastened to the bolt end projecting outwards from the boss. The elastic member 11 is located on a chain line C at the midpoint between a gear 30a and a ball bearing 19 supporting the hub 5, and prevents generation of moment when the driving force is transmitted from the driven sprocket 7 to the hub 5 via the elastic element 11.