JPH0260703U - - Google Patents

Info

Publication number
JPH0260703U
JPH0260703U JP1988140623U JP14062388U JPH0260703U JP H0260703 U JPH0260703 U JP H0260703U JP 1988140623 U JP1988140623 U JP 1988140623U JP 14062388 U JP14062388 U JP 14062388U JP H0260703 U JPH0260703 U JP H0260703U
Authority
JP
Japan
Prior art keywords
cup seal
master cylinder
cylinder hole
cylinder
piston
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
JP1988140623U
Other languages
Japanese (ja)
Other versions
JP2530215Y2 (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 JP1988140623U priority Critical patent/JP2530215Y2/en
Publication of JPH0260703U publication Critical patent/JPH0260703U/ja
Application granted granted Critical
Publication of JP2530215Y2 publication Critical patent/JP2530215Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Actuator (AREA)
  • Sealing With Elastic Sealing Lips (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)
  • Braking Arrangements (AREA)
  • Transmission Of Braking Force In Braking Systems (AREA)

Description

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

第１図及び第２図は本考案をプランジヤ型マス
タシリンダのカツプシールに適用した一実施例を
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
１，３６……ブツシユ部材、３３，３８……カツ
プシール、３３ａ，３８ａ……内周側リツプ部、
３３ｄ，３８ｄ……溝。 1 and 2 show an embodiment in which the present invention is applied to a cup seal of a plunger-type master cylinder. FIG. 1 is a sectional view of a tandem-type master cylinder, and FIG. 2 is an enlarged sectional view. 1... Master cylinder, 3... Cylinder body, 10... Stepped hole, 13... Sleeve, 21...
...First plunger, 22...Second plunger, 3
1, 36... Bush member, 33, 38... Cup seal, 33a, 38a... Inner peripheral lip part,
33d, 38d...grooves.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] シリンダ孔とピストンとの間で液圧室を液密に
シールするマスタシリンダのカツプシールにおい
て、該カツプシールのリツプ部の液圧室側に、前
記シリンダ孔軸方向の溝を複数個設けたことを特
徴とするマスタシリンダのカツプシール。 A master cylinder cup seal that liquid-tightly seals a hydraulic chamber between a cylinder hole and a piston is characterized in that a plurality of grooves extending in the axial direction of the cylinder hole are provided on the hydraulic pressure chamber side of the lip portion of the cup seal. Master cylinder cup seal.
JP1988140623U 1988-10-28 1988-10-28 Master cylinder cup seal Expired - Lifetime JP2530215Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988140623U JP2530215Y2 (en) 1988-10-28 1988-10-28 Master cylinder cup seal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988140623U JP2530215Y2 (en) 1988-10-28 1988-10-28 Master cylinder cup seal

Publications (2)

Publication Number Publication Date
JPH0260703U true JPH0260703U (en) 1990-05-07
JP2530215Y2 JP2530215Y2 (en) 1997-03-26

Family

ID=31404965

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988140623U Expired - Lifetime JP2530215Y2 (en) 1988-10-28 1988-10-28 Master cylinder cup seal

Country Status (1)

Country Link
JP (1) JP2530215Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011051461A (en) * 2009-09-01 2011-03-17 Hitachi Automotive Systems Ltd Master cylinder

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5142873A (en) * 1974-08-09 1976-04-12 Caterpillar Tractor Co
JPS58148360U (en) * 1982-03-30 1983-10-05 エヌオーケー株式会社 Patsukin
JPS61181760A (en) * 1985-02-07 1986-08-14 Nippon Air Brake Co Ltd Plunger type master cylinder
JPS6280365A (en) * 1985-10-01 1987-04-13 Nippon Air Brake Co Ltd Sealing apparatus

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5142873A (en) * 1974-08-09 1976-04-12 Caterpillar Tractor Co
JPS58148360U (en) * 1982-03-30 1983-10-05 エヌオーケー株式会社 Patsukin
JPS61181760A (en) * 1985-02-07 1986-08-14 Nippon Air Brake Co Ltd Plunger type master cylinder
JPS6280365A (en) * 1985-10-01 1987-04-13 Nippon Air Brake Co Ltd Sealing apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011051461A (en) * 2009-09-01 2011-03-17 Hitachi Automotive Systems Ltd Master cylinder
US8578711B2 (en) 2009-09-01 2013-11-12 Hitachi Automotive Systems, Ltd. Master cylinder

Also Published As

Publication number Publication date
JP2530215Y2 (en) 1997-03-26

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