JPS56120819A - Sealing device for bearing - Google Patents

Sealing device for bearing

Info

Publication number
JPS56120819A
JPS56120819A JP2336880A JP2336880A JPS56120819A JP S56120819 A JPS56120819 A JP S56120819A JP 2336880 A JP2336880 A JP 2336880A JP 2336880 A JP2336880 A JP 2336880A JP S56120819 A JPS56120819 A JP S56120819A
Authority
JP
Japan
Prior art keywords
bearing
shaft
permanent magnet
magnets
magnetic
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
JP2336880A
Other languages
English (en)
Japanese (ja)
Other versions
JPS648211B2 (enrdf_load_stackoverflow
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

  • Sealing Of Bearings (AREA)
  • Magnetic Brush Developing In Electrophotography (AREA)
  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (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 true JPS56120819A (en) 1981-09-22
JPS648211B2 JPS648211B2 (enrdf_load_stackoverflow) 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 (enrdf_load_stackoverflow)

Cited By (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
US5177536A (en) * 1989-03-31 1993-01-05 Canon Kabushiki Kaisha Developing apparatus having a magnetic seal
US5267003A (en) * 1992-08-11 1993-11-30 Olivetti Supplies, Inc. Toner cartridge refilling seal using magnetic material
US5267007A (en) * 1989-08-04 1993-11-30 Canon Kk Magnetic seal for preventing developer from leaking out of the longitudinal ends of a rotatable member
US5287148A (en) * 1990-07-10 1994-02-15 Canon Kabushiki Kaisha Magnetic seal for a developing apparatus
US7986899B2 (en) * 2008-09-05 2011-07-26 Fuji Xerox Co., Ltd. Development unit, process cartridge and image forming apparatus
JP2011186213A (ja) * 2010-03-09 2011-09-22 Ricoh Co Ltd 電子写真方式の画像形成装置における現像装置
DE10218937B4 (de) * 2002-04-27 2013-04-25 Schaeffler Technologies AG & Co. KG Schutzeinrichtung für ein Wälzlager mit Drehzahlmessung
CN111963688A (zh) * 2020-08-12 2020-11-20 清华大学 多级多极磁粉密封装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53109185U (enrdf_load_stackoverflow) * 1977-02-08 1978-09-01

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53109185U (enrdf_load_stackoverflow) * 1977-02-08 1978-09-01

Cited By (11)

* 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
US5177536A (en) * 1989-03-31 1993-01-05 Canon Kabushiki Kaisha Developing apparatus having a magnetic seal
US5267007A (en) * 1989-08-04 1993-11-30 Canon Kk Magnetic seal for preventing developer from leaking out of the longitudinal ends of a rotatable member
US5287148A (en) * 1990-07-10 1994-02-15 Canon Kabushiki Kaisha Magnetic seal for a developing apparatus
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
US7986899B2 (en) * 2008-09-05 2011-07-26 Fuji Xerox Co., Ltd. Development unit, process cartridge and image forming apparatus
JP2011186213A (ja) * 2010-03-09 2011-09-22 Ricoh Co Ltd 電子写真方式の画像形成装置における現像装置
CN111963688A (zh) * 2020-08-12 2020-11-20 清华大学 多级多极磁粉密封装置
CN111963688B (zh) * 2020-08-12 2021-11-09 清华大学 多级多极磁粉密封装置

Also Published As

Publication number Publication date
JPS648211B2 (enrdf_load_stackoverflow) 1989-02-13

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