シリンダ装置(A2)であって、シリンダ穴(11a)と、リザーバユニオンポート(17a)と、が形成された基体(11)と、シリンダ穴(11a)に挿入されたピストン(12)と、ピストン(12)の後退限を規制する規制部材(19)と、給液部(41)を有するリザーバ(40)と、給液部(41)に外嵌されたリザーバ用シール部材(44)と、を備え、基体(11)には、リザーバユニオンポート(17a)に開口するとともに、シリンダ穴(11a)に開口した第一連通穴(17c)および取付穴(11h)が形成され、取付穴(11h)に規制部材(19)が挿入され、給液部(41)は、規制部材(19)に対向して配置される先端部(41e)と切り欠き部(41d)とを有する。この構成では、部品点数を低減し、基体(11)を小型化するとともに、リザーバユニオンポート(17a)内に空気が溜まるのを防ぐことができる。

    A cylinder device (A2), which is provided with: a substrate (11) having a cylinder hole (11a) and a reservoir union port (17a); a piston (12) which is inserted into the cylinder hole (11a); a regulation member (19) which regulates the rearward limit of the piston (12); a reservoir (40) having a liquid supply part (41); and a seal member (44) which is for the reservoir and which is externally fitted to the liquid supply part (41). Therein: the substrate (11) comprises a mounting hole (11h) and a first communication hole (17c) which open to the reservoir union port (17a) and the cylinder hole (11a); the regulation member (19) is inserted into the mounting hole (11 h); and the liquid supply part (41) has a cut-out section (41d) and a tip section (41 e) arranged so as to face the regulation member (19). This structure enables the number of components to be reduced, reduces the size of the substrate (11), and also prevents air from collecting inside the reservoir union port (17a).


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    Title :

    シリンダ装置


    Publication date :

    2015-12-14


    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



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