A seal member (45) has: a base (101) which is capable of coming into contact with the cylinder opening-side circumferential wall (89) of a circumferential groove (32); an inner circumferential lip (102) extending toward the cylinder bottom side from the base (101) and in sliding contact with the outer periphery of a piston (18); and an outer circumferential lip (103) extending toward the cylinder bottom side from the base (101) and in contact with the groove bottom (88) of the circumferential groove (32). The circumferential groove (32) has a sloped section (91) which slopes and extends from the cylinder bottom-side end of the groove bottom (88) so that the sloped section (91) comes closer to the cylinder bottom side as the sloped section (91) extends radially inward. A cylinder body (15) has formed therein a groove (51) which is open to the sloped section (91) and which extends from the circumferential groove (32) toward the cylinder bottom side.


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    Titel :

    マスタシリンダ


    Erscheinungsdatum :

    2020-09-02


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    B60T Bremsanlagen für Fahrzeuge oder Teile davon , VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF / F16J Kolben , PISTONS



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