PROBLEM TO BE SOLVED: To provide a master cylinder capable of improving supply performance of a brake fluid.SOLUTION: A piston seal 45 disposed in a peripheral groove 32 comprises: an annular base part 101; an inner peripheral lip part 102 projecting from an inner peripheral side of the base part 101; an outer peripheral lip part 103 projecting from an outer peripheral side of the base part 101; and an intermediate projecting part 104 projecting from a space between the inner peripheral lip part 102 and the outer peripheral lip part 103 of the base part 101. On a wall face 89A on a supply path 48 side of the peripheral groove 32, a step part 93 which becomes hollow with respect to a face part 89a on a bottom face 88A side is formed on an opening side of the peripheral groove 32. The step part 93 extends into a range of thickness in a radial direction of the intermediate projecting part 104 of the piston seal 45, and is formed into an annular shape.


    Access

    Download


    Export, share and cite



    Title :

    マスタシリンダ


    Publication date :

    2018-03-14


    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 / F16J Kolben , PISTONS



    マスタシリンダ

    European Patent Office | 2020

    Free access

    マスタシリンダ

    European Patent Office | 2017

    Free access

    マスタシリンダ

    European Patent Office | 2020

    Free access

    マスタシリンダ

    European Patent Office | 2019

    Free access

    マスタシリンダおよびマスタシリンダ装置

    European Patent Office | 2016

    Free access