A master cylinder includes a seal defining a feeding channel and an exterior of a cylinder main body having an inner circumferential lip portion which protrudes from a toric base portion and comes into sliding contact with an outer circumferential surface of a piston, and an outer circumferential lip portion which abuts a circumferential groove of the cylinder main body. The inner circumferential lip portion has a length in a piston axis direction longer than the outer circumferential lip portion. The circumferential groove has an inclined surface portion formed in a circumferential wall on the feeding channel side such that a groove width increases from a groove bottom portion toward a groove opening portion.


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    Title :

    マスタシリンダ


    Publication date :

    2020-11-18


    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



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