JPS648211B2 - - Google Patents

Info

Publication number
JPS648211B2
JPS648211B2 JP55023368A JP2336880A JPS648211B2 JP S648211 B2 JPS648211 B2 JP S648211B2 JP 55023368 A JP55023368 A JP 55023368A JP 2336880 A JP2336880 A JP 2336880A JP S648211 B2 JPS648211 B2 JP S648211B2
Authority
JP
Japan
Prior art keywords
bearing
magnetic
container
magnetic powder
permanent magnet
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.)
Expired
Application number
JP55023368A
Other languages
English (en)
Japanese (ja)
Other versions
JPS56120819A (en
Inventor
Toshikazu Tsukiji
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujifilm Business Innovation Corp
Original Assignee
Fuji Xerox Co Ltd
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 by Fuji Xerox Co Ltd filed Critical Fuji Xerox Co Ltd
Priority to JP2336880A priority Critical patent/JPS56120819A/ja
Publication of JPS56120819A publication Critical patent/JPS56120819A/ja
Publication of JPS648211B2 publication Critical patent/JPS648211B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Magnetic Brush Developing In Electrophotography (AREA)
  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
  • Sealing Of Bearings (AREA)
JP2336880A 1980-02-28 1980-02-28 Sealing device for bearing Granted JPS56120819A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2336880A JPS56120819A (en) 1980-02-28 1980-02-28 Sealing device for bearing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2336880A JPS56120819A (en) 1980-02-28 1980-02-28 Sealing device for bearing

Publications (2)

Publication Number Publication Date
JPS56120819A JPS56120819A (en) 1981-09-22
JPS648211B2 true JPS648211B2 (en:Method) 1989-02-13

Family

ID=12108605

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2336880A Granted JPS56120819A (en) 1980-02-28 1980-02-28 Sealing device for bearing

Country Status (1)

Country Link
JP (1) JPS56120819A (en:Method)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6231776A (ja) * 1985-08-02 1987-02-10 Tohoku Metal Ind Ltd 磁性流体シ−ル装置
JPS63124075A (ja) * 1986-11-13 1988-05-27 Fujitsu Ltd 磁気ブラシ現像装置
EP0715227B1 (en) * 1989-03-31 1999-12-01 Canon Kabushiki Kaisha A developing apparatus
JP2892456B2 (ja) * 1989-08-04 1999-05-17 キヤノン株式会社 現像装置
JP2899079B2 (ja) * 1990-07-10 1999-06-02 キヤノン株式会社 現像装置
US5267003A (en) * 1992-08-11 1993-11-30 Olivetti Supplies, Inc. Toner cartridge refilling seal using magnetic material
DE10218937B4 (de) * 2002-04-27 2013-04-25 Schaeffler Technologies AG & Co. KG Schutzeinrichtung für ein Wälzlager mit Drehzahlmessung
JP4623173B2 (ja) * 2008-09-05 2011-02-02 富士ゼロックス株式会社 現像装置、プロセスカートリッジおよび画像形成装置
JP5435358B2 (ja) * 2010-03-09 2014-03-05 株式会社リコー 電子写真方式の画像形成装置における現像装置
CN111963688B (zh) * 2020-08-12 2021-11-09 清华大学 多级多极磁粉密封装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5637798Y2 (en:Method) * 1977-02-08 1981-09-04

Also Published As

Publication number Publication date
JPS56120819A (en) 1981-09-22

Similar Documents

Publication Publication Date Title
JP4021432B2 (ja) ローラベアリング
JPS648211B2 (en:Method)
KR100224533B1 (ko) 회전축이 함께 회전하는 스핀들 모터의 자기 베어링
JPS62127513A (ja) スピンドル
JPH0478315A (ja) 軸受装置
JPH0547855Y2 (en:Method)
JPH02168835A (ja) スピンドルモータ
JPS6142979Y2 (en:Method)
KR970077917A (ko) 회전축이 고정된 스핀들 모터의 자기 베어링
JPH0435076B2 (en:Method)
JPH0528926Y2 (en:Method)
JPH019960Y2 (en:Method)
JPS59129699U (ja) 船尾管シ−ル組立体
JPS63314408A (ja) 測量機の軸封装置
JPH0518495Y2 (en:Method)
JPS6367049B2 (en:Method)
JP2963619B2 (ja) 動圧軸受装置
JP2520743B2 (ja) 磁性流体シ―ル装置
JPH01158271A (ja) 磁性流体を使用する軸封装置
KR20010081788A (ko) 회전상관체의 비접촉 지지 방법 및 그 베어링장치
JPH06185527A (ja) 磁性流体軸受装置
JPS60172777A (ja) 磁性流体を利用した回転シヤフトのシ−ル装置
JPS63214578A (ja) 磁性流体シ−ルユニツト
JPS59151618A (ja) 磁性流体磁気軸受
JP2000224799A (ja) スピンドルモータ