JPH0296257U - - Google Patents

Info

Publication number
JPH0296257U
JPH0296257U JP14062488U JP14062488U JPH0296257U JP H0296257 U JPH0296257 U JP H0296257U JP 14062488 U JP14062488 U JP 14062488U JP 14062488 U JP14062488 U JP 14062488U JP H0296257 U JPH0296257 U JP H0296257U
Authority
JP
Japan
Prior art keywords
cup seal
cylinder hole
recess
bushing member
plunger
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
JP14062488U
Other languages
Japanese (ja)
Other versions
JP2515631Y2 (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 JP1988140624U priority Critical patent/JP2515631Y2/en
Publication of JPH0296257U publication Critical patent/JPH0296257U/ja
Application granted granted Critical
Publication of JP2515631Y2 publication Critical patent/JP2515631Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Transmission Of Braking Force In Braking Systems (AREA)
  • Sealing Devices (AREA)

Description

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

図は本考案の一実施例を示すもので、第１図は
タンデム型マスタシリンダの断面図、第２図は要
部の拡大断面図である。 １……マスタシリンダ、３……シリンダボデイ
、１０……段付き孔、１３……スリーブ、２１…
…第１プランジヤ、２２……第２プランジヤ、３
１，３５……ブツシユ部材、３１ｂ，３５ｂ……
凹部、３３，３７……カツプシール、３２ｃ，３
７ｃ……突起。 The drawings show an embodiment of the present invention; FIG. 1 is a sectional view of a tandem master cylinder, and FIG. 2 is an enlarged sectional view of the main parts. 1... Master cylinder, 3... Cylinder body, 10... Stepped hole, 13... Sleeve, 21...
...First plunger, 22...Second plunger, 3
1, 35... Bushing member, 31b, 35b...
Recessed portion, 33, 37... Cup seal, 32c, 3
7c... Protrusion.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 小径部と大径部とを有する段状のシリンダ孔の
大径部側に、シリンダ孔に摺動自在に内挿される
プランジヤを支持するブツシユ部材を嵌着し、該
ブツシユ部材と前記シリンダ孔の段部との間にカ
ツプシールをシリンダ孔の軸方向に移動可能に配
置し、該カツプシールの内周リツプ部を前記プラ
ンジヤの外周に密接させるマスタシリンダにおい
て、前記ブツシユ部材の前記カツプシール側外周
に凹部を設けるとともに、前記カツプシールに該
凹部に摺動可能に係合する突起を設け、該突起を
、カツプシールが前記段部に当接するまで移動し
たときに、前記凹部から脱落しない長さに形成し
たことを特徴とするマスタシリンダ。 A bushing member that supports a plunger that is slidably inserted into the cylinder hole is fitted into the large diameter side of a stepped cylinder hole having a small diameter portion and a large diameter portion, and the bushing member and the cylinder hole are connected to each other. In the master cylinder, a cup seal is arranged movably in the axial direction of the cylinder hole between the step part and the inner circumferential lip of the cup seal is brought into close contact with the outer circumference of the plunger, and a recess is formed on the outer circumference of the cup seal side of the bushing member. In addition, the cup seal is provided with a protrusion that slidably engages with the recess, and the protrusion is formed to a length that prevents it from falling out of the recess when the cup seal moves until it comes into contact with the step. Features a master cylinder.
JP1988140624U 1988-10-28 1988-10-28 Master cylinder Expired - Lifetime JP2515631Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988140624U JP2515631Y2 (en) 1988-10-28 1988-10-28 Master cylinder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988140624U JP2515631Y2 (en) 1988-10-28 1988-10-28 Master cylinder

Publications (2)

Publication Number Publication Date
JPH0296257U true JPH0296257U (en) 1990-07-31
JP2515631Y2 JP2515631Y2 (en) 1996-10-30

Family

ID=31404967

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988140624U Expired - Lifetime JP2515631Y2 (en) 1988-10-28 1988-10-28 Master cylinder

Country Status (1)

Country Link
JP (1) JP2515631Y2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003519346A (en) * 2000-01-05 2003-06-17 コンクスベル・オウトモーティヴ・アルメント・アクシェセールスカープ Pressure fluid supply device
JP2010143571A (en) * 2008-12-19 2010-07-01 Robert Bosch Gmbh Motor vehicle brake master cylinder seal

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4645097B2 (en) * 2003-12-01 2011-03-09 株式会社アドヴィックス Master cylinder
JP6425337B2 (en) * 2014-11-28 2018-11-21 日立オートモティブシステムズ株式会社 Master cylinder

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS534087U (en) * 1976-06-29 1978-01-14
JPS54174783U (en) * 1978-05-30 1979-12-10
JPS56142744A (en) * 1980-03-17 1981-11-07 Bendix Corp Master cylinder
JPS5762164U (en) * 1980-09-30 1982-04-13

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS534087U (en) * 1976-06-29 1978-01-14
JPS54174783U (en) * 1978-05-30 1979-12-10
JPS56142744A (en) * 1980-03-17 1981-11-07 Bendix Corp Master cylinder
JPS5762164U (en) * 1980-09-30 1982-04-13

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003519346A (en) * 2000-01-05 2003-06-17 コンクスベル・オウトモーティヴ・アルメント・アクシェセールスカープ Pressure fluid supply device
JP2010143571A (en) * 2008-12-19 2010-07-01 Robert Bosch Gmbh Motor vehicle brake master cylinder seal

Also Published As

Publication number Publication date
JP2515631Y2 (en) 1996-10-30

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