To provide a fluid pressure master cylinder which can reduce a size and weight of a cylinder body.SOLUTION: A communication path boss part 2c having a communication path 12 for making a cylinder hole 2a formed at a cylinder body 2 and a reservoir tank 3 communicate with each other therein, and a vehicle body attachment boss part 2d for attaching a fluid pressure master cylinder 1 to a vehicle body are integrally formed at one side face of the cylinder body 2. The communication path 12 comprises a communication hole 13 extending downward in parallel with a center axis CL1 of the cylinder body 2 from a bottom wall 3a of the reservoir tank 3, a relief port 14 orthogonal to the communication hole 13, and opened at the cylinder hole 2a, and a supply port 15.SELECTED DRAWING: Figure 4

    【課題】シリンダボディの小型化と軽量化とを図ることができる車両用液圧マスタシリンダを提供する。【解決手段】シリンダボディ2の一側面に、シリンダボディ2に形成されたシリンダ孔2aとリザーバタンク3とを連通させる連通路12を内部に備えた連通路用ボス部2cと、液圧マスタシリンダ1を車体に取り付ける車体取付ボス部2dとを一体に形成する。連通路12は、リザーバタンク3の底壁3aからシリンダボディ2の中心軸CL1と平行に下方に向けて延出する連通孔13と、該連通孔13に直交し、シリンダ孔2aに開口するリリーフポート14及びサプライポート15とを備えている。【選択図】図4


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    Titel :

    FLUID PRESSURE MASTER CYLINDER FOR VEHICLE


    Weitere Titelangaben:

    車両用液圧マスタシリンダ


    Beteiligte:
    UEHARA KAZUMA (Autor:in)

    Erscheinungsdatum :

    20.06.2019


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    B60T Bremsanlagen für Fahrzeuge oder Teile davon , VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF / B62L BRAKES SPECIALLY ADAPTED FOR CYCLES , Bremsen, besonders für Fahrräder oder Motorräder ausgebildet



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