The invention relates to a mechanical actuation device (10) for actuating the control cable of a gearshift of a bicycle comprising a fixed casing (11), a control pin (12) rotatably mounted in the casing (11) about a rotation axis (X), a cable-winding bush (13) mounted coaxially and rotatable with the control pin (12) in a first angular direction (A) and in a second angular direction (B) opposite to the first, a ball-carrying bush (15) mounted in the casing (11) in a rotary manner about the rotation axis (X), rotating as a unit with the cable-winding bush (13) and equipped with at least one slider (16, 17). An indexing bush (20) is rotatable with respect to the control pin (12) with a rotational play with respect to the casing (11), the indexing bush (20) being provided with a plurality of stop positions (22) engageable in sequence by the slider (16, 17) during a relative rotation between the ball-carrying bush (15) and the indexing bush (20), each stop position (22) defining a stable angular position for the cable-winding bush (13). A pointer (30) is switchable between an active position in which it interacts with the indexing bush (20) to limit the angular play thereof with respect to the casing (11) and a passive position in which it does not interact with the indexing bush (20) and does not limit the angular p between the indexing bush (20) and the casing (11).


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    Titel :

    MECHANICAL ACTUATION DEVICE FOR ACTUATING THE CONTROL CABLE OF A BICYCLE DERAILLEUR


    Weitere Titelangaben:

    MECHANISCHE BETÄTIGUNGSVORRICHTUNG ZUR BETÄTIGUNG DES SEILZUGS EINER FAHRRADSCHALTUNG
    DISPOSITIF D'ACTIONNEMENT MÉCANIQUE DU CÂBLE DE COMMANDE D'UN DÉRAILLEUR DE BICYCLETTE


    Beteiligte:

    Erscheinungsdatum :

    18.11.2020


    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 / B62K Fahrräder , CYCLES



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