A parking brake unit (101) of a brake device (100) for braking a wheel (1) by supply of hydraulic fluid includes a first piston (110) formed in a cylindrical shape, the first piston (110) having a first engaging part (113) on an inner circumference thereof, the first piston (110) being configured to move in first direction by pressure of the hydraulic fluid supplied to a pressure chamber (105) defined in the back thereof, a first biasing member (118) configured to bias the first piston (110) in second direction, opposite to the first direction, a second piston (120) slidably provided on the inner circumference of the first piston (110), the second piston (120) having a second engaging part (123) on an outer circumference thereof, and an engaging member (130) configured to cause the first engaging part (113) and the second engaging part (123) to engage with each other, in which the second piston (120) causes a brake lining (2) to move in direction bringing the wheel (1) to be in a braking state, when the first piston (110) moves in the second direction.


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    Titel :

    PARKING BRAKE UNIT


    Weitere Titelangaben:

    FESTSTELLBREMSEINHEIT
    UNITÉ DE FREIN DE STATIONNEMENT


    Beteiligte:
    SUZUKI TSUTOMU (Autor:in)

    Erscheinungsdatum :

    2019-09-04


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    F16D COUPLINGS FOR TRANSMITTING ROTATION , Nicht schaltbare Kupplungen / B60T Bremsanlagen für Fahrzeuge oder Teile davon , VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF / B61H Bremsen oder andere Verzögerungseinrichtungen ausgebildet für Schienenfahrzeuge , BRAKES OR OTHER RETARDING APPARATUS PECULIAR TO RAIL VEHICLES



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