A piston seal includes an annular base portion, an inner circumferential lip portion protruding from an inner circumferential side of the base portion to come in sliding contact with an outer circumferential surface of the piston, an outer circumferential lip portion protruding from an outer circumferential side of the base portion to come in contact with the circumferential groove of the cylinder main body, and an intermediate protrusion portion protruding from between the inner circumferential lip portion and the outer circumferential lip portion of the base portion further than the outer circumferential lip portion. A connecting portion is formed to extend in an axial direction of the piston seal and is configured to connect the inner circumferential lip portion and the intermediate protrusion portion is formed between the inner circumferential lip portion and the intermediate protrusion portion.


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    Title :

    MASTER CYLINDER


    Contributors:
    TANABE SEIKO (author) / KASAI SHINYA (author)

    Publication date :

    2015-09-03


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

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



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