JPH0323256U - - Google Patents

Info

Publication number
JPH0323256U
JPH0323256U JP1989083683U JP8368389U JPH0323256U JP H0323256 U JPH0323256 U JP H0323256U JP 1989083683 U JP1989083683 U JP 1989083683U JP 8368389 U JP8368389 U JP 8368389U JP H0323256 U JPH0323256 U JP H0323256U
Authority
JP
Japan
Prior art keywords
oil seal
spring
inner peripheral
peripheral surface
hard
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.)
Pending
Application number
JP1989083683U
Other languages
Japanese (ja)
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 JP1989083683U priority Critical patent/JPH0323256U/ja
Publication of JPH0323256U publication Critical patent/JPH0323256U/ja
Pending legal-status Critical Current

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  • Sealing With Elastic Sealing Lips (AREA)

Description

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

第１図はこの考案のオイルシールを備えたラツ
クピニオン式パワーステアリング装置における油
圧シリンダのギヤハウジングとは反対側の端部を
拡大して示す縦断面図、第２図はこの考案の他の
実施例を示すバツクアツプリングの縦断面図、第
３図はこの考案のさらに他の実施例を示すバツク
アツプリングの縦断面図である。 ２……オイルシール、５……バツクアツプリン
グ、６……硬質粒子、７……環状凹溝、９……硬
質粒子層。 Fig. 1 is an enlarged vertical sectional view of the end of the hydraulic cylinder opposite the gear housing in a rack and pinion power steering device equipped with an oil seal of this invention, and Fig. 2 is another embodiment of this invention. FIG. 3 is a vertical cross-sectional view of a backup spring showing still another embodiment of this invention. 2... Oil seal, 5... Backup spring, 6... Hard particles, 7... Annular groove, 9... Hard particle layer.

Claims (1)

【実用新案登録請求の範囲】 １ バツクアツプリングの内周面から径方向外方
に向かつて所定深さまでの部分に、硬質粒子が分
散混合させられているオイルシール。 ２ バツクアツプリングの内周面に、その全体を
覆うように硬質粒子層が形成されているオイルシ
ール。 ３ バツクアツプリングの内周面に凹部が形成さ
れている請求項１または２記載のオイルシール。[Claims for Utility Model Registration] 1. An oil seal in which hard particles are dispersed and mixed in a portion extending radially outward from the inner peripheral surface of a back-up spring to a predetermined depth. 2. An oil seal in which a hard particle layer is formed on the inner peripheral surface of the back-up spring so as to cover the entire surface. 3. The oil seal according to claim 1 or 2, wherein a recess is formed in the inner circumferential surface of the back-up spring.
JP1989083683U 1989-07-17 1989-07-17 Pending JPH0323256U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989083683U JPH0323256U (en) 1989-07-17 1989-07-17

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989083683U JPH0323256U (en) 1989-07-17 1989-07-17

Publications (1)

Publication Number Publication Date
JPH0323256U true JPH0323256U (en) 1991-03-11

Family

ID=31631551

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989083683U Pending JPH0323256U (en) 1989-07-17 1989-07-17

Country Status (1)

Country Link
JP (1) JPH0323256U (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS492942B1 (en) * 1970-02-04 1974-01-23
JPS5757806A (en) * 1980-09-22 1982-04-07 Nippon Piston Ring Co Ltd Sliding member
JPS6230655A (en) * 1985-07-31 1987-02-09 大豊工業株式会社 Ceramic sliding material

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS492942B1 (en) * 1970-02-04 1974-01-23
JPS5757806A (en) * 1980-09-22 1982-04-07 Nippon Piston Ring Co Ltd Sliding member
JPS6230655A (en) * 1985-07-31 1987-02-09 大豊工業株式会社 Ceramic sliding material

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