A planetary gear speed reducing mechanism installed in a disc brake as a brake device includes a small diameter shaft portion to which rotation from an electric motor is transmitted, and a sun gear to which rotation from the small diameter shaft portion is transmitted. The small diameter shaft portion has outer diameter that is smaller than tip diameter of the sun gear. It is therefore possible to reduce torque loss from the electric motor, for example, during operation of a parking brake, and repress a deterioration in torque transmission efficiency.


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    Title :

    ブレーキ装置


    Publication date :

    2023-08-24


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60T Bremsanlagen für Fahrzeuge oder Teile davon , VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF / F16H Getriebe , GEARING



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