Chain transmission assembly

Projections 38, colliding with constricted portions 35a at the center of hourglass-shaped pin link plates 35 and with constricted portions 36a at the center of hourglass-shaped roller link plates 36 are provided at an annular resilient body 32. When a roller chain starts to mesh with a sprocket, con...

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Bibliographische Detailangaben
Hauptverfasser:	SUGITA, HARUOMI, SEKITA, MASAHIKO
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVINGPURPOSES BLASTING CHAINS CYCLES ENGINEERING ELEMENTS AND UNITS FITTINGS PREDOMINANTLY USED THEREFOR GEARING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS LIGHTING MECHANICAL ENGINEERING PERFORMING OPERATIONS POWERED PROPULSION OF SLEDGES OR RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES THERMAL INSULATION IN GENERAL TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	Projections 38, colliding with constricted portions 35a at the center of hourglass-shaped pin link plates 35 and with constricted portions 36a at the center of hourglass-shaped roller link plates 36 are provided at an annular resilient body 32. When a roller chain starts to mesh with a sprocket, constricted portions at the centers of hourglass-shaped link plates of the roller chain can be pushed radially outwards from the sprocket by the projections of the resilient body, vibrations occurring at the roller chain meshing with the sprocket can be made small, vibrations at each part of the roller chain can be made small, collision speed when rollers of the roller chain collide with teeth bottoms of the sprockets can be reduced, and the generation of noise can be suppressed. Moreover, because hourglass-shaped link plates are used, the roller chain can be made lighter than when flat oval shaped or oval shaped link plates are used.