A center axis (C1) of a worm shaft (18) is offset in an offset direction with respect to a plane that is orthogonal to a center axis (C2) of a worm wheel (19) and that passes through a central position of the worm wheel in a tooth width direction. A bias member (60) biases a second end (18b) of the worm shaft in a preloading direction in which a center distance between the worm shaft and the worm wheel decreases. When the worm shaft is configured like a right-hand thread, in a left-handed coordinate system, a direction toward a first end of the worm shaft in an axial direction (a direction toward an electric motor) corresponds to a thumb direction. The preloading direction corresponds to an index finger direction. The offset direction corresponds to a middle finger direction.


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    Title :

    WORM SPEED REDUCER


    Additional title:

    SCHNECKENDREHZAHLREDUZIERER
    RÉDUCTEUR DE VITESSE DE VIS SANS FIN


    Contributors:

    Publication date :

    2017-05-24


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge / F16H Getriebe , GEARING



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