The present invention relates to a toothed belt driving device for bicycle, in which, in drive state, the pulley groove portion of a driven pulley is in surface contact with a portion of a surface of the belt tooth portion, this portion in surface contact is present in a range positioned closer to a tooth root portion than a reference circle, the maximum value of the shortest distance between the pulley groove portion of the driven pulley and the surface of the belt tooth portion opposite to the traveling direction of the belt is 10% or more and 18% or less of the tooth pitch, a groove depth of the driven pulley is greater than the tooth height of the belt tooth portion, and the difference therebetween is 5% or more of the tooth height.


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    Titel :

    Toothed belt driving device for bicycle


    Beteiligte:
    OSAKI SUSUMU (Autor:in) / OKAZAWA TAKAHIDE (Autor:in)

    Erscheinungsdatum :

    2018-04-24


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B62M RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES , Antrieb von Radfahrzeugen oder Schlitten durch den Fahrer / F16G Riemen, Kabel oder Seile, vorwiegend für Antriebszwecke , BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES / F16H Getriebe , GEARING



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