To provide a structure which can detect an operation state of a hand brake mechanism accurately at low costs regardless of maintenance of the hand brake mechanism.SOLUTION: An unreleased brake detection unit includes: a first spring; a piston unit connected to the first spring; and a sensor provided at the piston unit. The piston unit has: a second spring; a first member supporting one end part of the second spring; and a second member which supports the other end part of the second spring and includes a detected part detected by the sensor. The first member or the second member is connected to the first spring. The first member and the second member can be displaced relative to each other between a detection position and a non-detection position in an expansion-contraction direction of the second spring.SELECTED DRAWING: Figure 4

    【課題】手ブレーキ機構のメンテナンスにかかわらず、低コストで手ブレーキ機構の作動状態を正確に検出できる構成を提供する。【解決手段】ブレーキ不緩解検知ユニットは、第1スプリングと、前記第1スプリングに連結されたピストンユニットと、前記ピストンユニットに設けられたセンサと、を備える。前記ピストンユニットは、第2スプリングと、前記第2スプリングの一端部を支持する第1部材と、前記第2スプリングの他端部を支持し、前記センサに検出される被検出部を含む第2部材とを有する。前記第1部材又は前記第2部材が、前記第1スプリングに連結される。前記第1部材及び前記第2部材は、検出位置と非検出位置との間で前記第2スプリングの伸縮方向に互いに相対変位可能である。【選択図】図4


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    Title :

    UNRELEASED HAND BRAKE DETECTION UNIT AND RAILROAD CAR INCLUDING THE SAME


    Additional title:

    手ブレーキ不緩解検知ユニット及びそれを備えた貨車


    Contributors:

    Publication date :

    2019-11-21


    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 / B61H Bremsen oder andere Verzögerungseinrichtungen ausgebildet für Schienenfahrzeuge , BRAKES OR OTHER RETARDING APPARATUS PECULIAR TO RAIL VEHICLES



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