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JPH0420868U - - Google Patents

Info

Publication number
JPH0420868U
JPH0420868U JP6254490U JP6254490U JPH0420868U JP H0420868 U JPH0420868 U JP H0420868U JP 6254490 U JP6254490 U JP 6254490U JP 6254490 U JP6254490 U JP 6254490U JP H0420868 U JPH0420868 U JP H0420868U
Authority
JP
Japan
Prior art keywords
piston
guide
piston guide
oil passage
peripheral surface
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP6254490U
Other languages
Japanese (ja)
Other versions
JPH088929Y2 (en
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP6254490U priority Critical patent/JPH088929Y2/en
Publication of JPH0420868U publication Critical patent/JPH0420868U/ja
Application granted granted Critical
Publication of JPH088929Y2 publication Critical patent/JPH088929Y2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Transmission Of Braking Force In Braking Systems (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案に係るマスタシリンダの縦断面
図、第２図はそのマスタシリンダで採用されてい
るピストンガイドとピストンとを示した横断面図
、第３図は従来のマスタシリンダを示した縦断面
図、第４図はそのマスタシリンダで採用されてい
るピストンガイドとピストンとを示した横断面図
である。 ２０……マスタシリンダ、２１……シリンダハ
ウジング、２２……ボデイ本体、２３……キヤツ
プ、２５……ピストンガイド、２５ａ……環状溝
、２５ｂ……オイル通路、２６……スリーブ、２
７……ピストンガイド、２７ａ……環状溝、２７
ｂ……オイル通路、２９，３０……ピストン、２
９ａ，３０ａ……オイル通路、３３，３４……圧
力室、３５，３６……オイル通路、３７……オイ
ルリザーバ、３７ａ，３７ｂ……通路。 Fig. 1 is a longitudinal cross-sectional view of the master cylinder according to the present invention, Fig. 2 is a cross-sectional view showing the piston guide and piston employed in the master cylinder, and Fig. 3 is a conventional master cylinder. A vertical cross-sectional view, and FIG. 4 is a cross-sectional view showing the piston guide and piston employed in the master cylinder. 20... Master cylinder, 21... Cylinder housing, 22... Body main body, 23... Cap, 25... Piston guide, 25a... Annular groove, 25b... Oil passage, 26... Sleeve, 2
7... Piston guide, 27a... Annular groove, 27
b... Oil passage, 29, 30... Piston, 2
9a, 30a...oil passage, 33, 34...pressure chamber, 35, 36...oil passage, 37...oil reservoir, 37a, 37b...passage.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ハウジング内にピストンガイドを嵌着させ、該
ピストンガイドに円筒状ピストンを挿通させると
ともに、上記ピストンガイドに該ピストンガイド
と上記ピストンとの間を遮蔽するパツキンを添設
し、さらに上記ピストンガイドおよびピストンに
それらの外周面から各内周面に達するオイル通路
をそれぞれ形成し、非操作時に、オイルリザーバ
を上記各オイル通路を介して圧力室に連通し、上
記ピストンを作動させ、該ピストンのオイル通路
を上記パツキンを通過させることによつて、上記
オイルリザーバと上記圧力室とを遮断するように
したマスタシリンダにおいて、上記ピストンガイ
ドの内周面に、環状溝を形成し、該環状溝に上記
ピストンガイドのオイル通路を開口させたことを
特徴とするマスタシリンダ。 A piston guide is fitted into the housing, a cylindrical piston is inserted through the piston guide, and a packing is attached to the piston guide for shielding between the piston guide and the piston, and the piston guide and the piston are attached to the piston guide. an oil passage extending from the outer peripheral surface to the inner peripheral surface of each of the pistons, and when not in operation, communicates the oil reservoir with the pressure chamber through each of the oil passages, operates the piston, and closes the oil passage of the piston. In the master cylinder, an annular groove is formed in the inner peripheral surface of the piston guide, and the piston is inserted into the annular groove. A master cylinder characterized by an open oil passage in the guide.
JP6254490U 1990-06-13 1990-06-13 Master cylinder Expired - Fee Related JPH088929Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6254490U JPH088929Y2 (en) 1990-06-13 1990-06-13 Master cylinder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6254490U JPH088929Y2 (en) 1990-06-13 1990-06-13 Master cylinder

Publications (2)

Publication Number Publication Date
JPH0420868U true JPH0420868U (en) 1992-02-21
JPH088929Y2 JPH088929Y2 (en) 1996-03-13

Family

ID=31591792

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6254490U Expired - Fee Related JPH088929Y2 (en) 1990-06-13 1990-06-13 Master cylinder

Country Status (1)

Country Link
JP (1) JPH088929Y2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI675775B (en) * 2017-03-27 2019-11-01 日商日立汽車系統股份有限公司 Brake master cylinder

Also Published As

Publication number Publication date
JPH088929Y2 (en) 1996-03-13

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees