A speed reducer (1) includes a first transmission shaft (10), an eccentric wheel (11), a first roller assembly (12), a rotating wheel (13), a second roller assembly (14) and a second transmission shaft (15). The rotating wheel (13) includes a main body (130) and an axle hole (133). The main body (130) includes a convex structure (131) and a concave structure (132). The convex structure (131) is protruded from an outer periphery of the main body (130) and has outer teeth. The outer teeth are contacted with the corresponding first rollers (121). The concave structure (131) is concavely formed in a surface of the main body (130) and includes inner teeth. The inner teeth are contacted with plural second rollers (141) of the second roller assembly (14). Since the speed reducer (1) is designed to have four operating situations, the speed reducer (1) can have various reduction ratios.


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    Titel :

    SPEED REDUCER


    Weitere Titelangaben:

    DREHZAHLMINDERER
    RÉDUCTEUR DE VITESSE


    Beteiligte:

    Erscheinungsdatum :

    13.09.2017


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES



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