JPS588664U

JPS588664U - master cylinder

Info

Publication number: JPS588664U
Application number: JP10230481U
Authority: JP
Inventors: 俊幸高橋
Original assignee: 株式会社ナブコ
Priority date: 1981-07-08
Filing date: 1981-07-08
Publication date: 1983-01-20

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は従来のマスクシリンダの断面図、第２図は本考
案の実施例の断面図、第３図は第２図のリターンスプリ
ング３２の自由状態を示す断面図第４図は第３図の右側
面図である。１．１′・・・・・・シリンダ本体、２，２′・・・・
・・シリンダ孔、８．　８’−−−−−−ピストン、１
６．１６’・・・・・・プライマリ−カップ、２０．２
０’・・・・・・カップ支え部材、２１．３２・・・・
・・リターンスプリング、２３．２３’・・・・・・環
状溝、３３・・−・・・・円筒ばね部、３５・・・・・
・嵌合部。／　　　　　　／１２７　　　　　１３’　２０’ −一一一一］FIG. 1 is a sectional view of a conventional mask cylinder, FIG. 2 is a sectional view of an embodiment of the present invention, and FIG. 3 is a sectional view showing the free state of the return spring 32 in FIG. 2. FIG. 1.1'...Cylinder body, 2,2'...
...Cylinder hole, 8. 8'------ Piston, 1
6.16'...Primary cup, 20.2
0'...Cup support member, 21.32...
... Return spring, 23.23' ... Annular groove, 33 ... Cylindrical spring part, 35 ...
·Fitting portion. / /1 27 13'20' -1111]

Claims

[Scope of utility model registration request]

A cylinder body having a cylinder hole inside, a piston movably arranged in the cylinder hole, a seal cup attached to the front part of the piston, and a seal cup fitted into the piston adjacent to the seal cup. a cup support member for regulating the position of the seal cup; and a cup support member having one end formed on the piston;
a return spring that fits into an annular groove to support the cup support member and press the piston backward; A master cylinder comprising a fitting part that extends substantially perpendicularly in a radial direction from one end of the part and fits into the annular groove.