The purpose of the present invention is to reduce the size of and simplify a parking brake device. This parking brake device is provided to a side of a cylinder (1) of a brake cylinder of a caliper brake device, said side being where a rod (3) protrudes. A second piston (12) is provided inside a second cylinder (11) coaxially coupled to the cylinder, said second piston being provided so as to be capable of coaxial relative displacement with respect to the rod (3). A one-way clutch (14) is provided which engages/disengages as a result of the pressing/release of the pressing of the second piston on a switch (13) disposed facing a cylinder-side side surface of the second piston. A parking-operation auxiliary spring (15) is provided in a cylinder-side space (11c) inside the second cylinder. Moreover, a manual release piston (16) is provided in a space (11b) at a side opposite to the cylinder side. A manual release rod (17) is fixed to a tip of the manual release piston in the second cylinder. Furthermore, a parking release lever (18) is provided which simultaneously presses the second piston in a rod-retraction direction, and the manual release rod in the rod-retraction direction.


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    Titel :

    Parking brake device for railway-vehicle caliper brake device


    Beteiligte:
    KIMURA RYOUICHI (Autor:in) / FUJITA KAZUAKI (Autor:in)

    Erscheinungsdatum :

    03.02.2016


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    F16D COUPLINGS FOR TRANSMITTING ROTATION , Nicht schaltbare Kupplungen / B61H Bremsen oder andere Verzögerungseinrichtungen ausgebildet für Schienenfahrzeuge , BRAKES OR OTHER RETARDING APPARATUS PECULIAR TO RAIL VEHICLES



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