JP4672885B2 - 現像装置及びプロセスカートリッジ - Google Patents

現像装置及びプロセスカートリッジ Download PDF

Info

Publication number
JP4672885B2
JP4672885B2 JP2001056572A JP2001056572A JP4672885B2 JP 4672885 B2 JP4672885 B2 JP 4672885B2 JP 2001056572 A JP2001056572 A JP 2001056572A JP 2001056572 A JP2001056572 A JP 2001056572A JP 4672885 B2 JP4672885 B2 JP 4672885B2
Authority
JP
Japan
Prior art keywords
developing
developing roller
frame
roller
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.)
Expired - Fee Related
Application number
JP2001056572A
Other languages
English (en)
Japanese (ja)
Other versions
JP2002258607A (ja
JP2002258607A5 (enExample
Inventor
滋夫 宮部
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP2001056572A priority Critical patent/JP4672885B2/ja
Priority to EP02004643A priority patent/EP1239342B1/en
Priority to US10/084,457 priority patent/US6671473B2/en
Priority to DE60229579T priority patent/DE60229579D1/de
Publication of JP2002258607A publication Critical patent/JP2002258607A/ja
Publication of JP2002258607A5 publication Critical patent/JP2002258607A5/ja
Application granted granted Critical
Publication of JP4672885B2 publication Critical patent/JP4672885B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
    • G03G15/09—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer using magnetic brush
    • G03G15/0942—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer using magnetic brush with means for preventing toner scattering from the magnetic brush, e.g. magnetic seals

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Dry Development In Electrophotography (AREA)
  • Magnetic Brush Developing In Electrophotography (AREA)
JP2001056572A 2001-03-01 2001-03-01 現像装置及びプロセスカートリッジ Expired - Fee Related JP4672885B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2001056572A JP4672885B2 (ja) 2001-03-01 2001-03-01 現像装置及びプロセスカートリッジ
EP02004643A EP1239342B1 (en) 2001-03-01 2002-02-28 Developing apparatus provided with magnetic seal functions on both sides of a developing roller
US10/084,457 US6671473B2 (en) 2001-03-01 2002-02-28 Developing apparatus provided with seal functions on both sides of developing roller
DE60229579T DE60229579D1 (de) 2001-03-01 2002-02-28 Entwicklungsgerät mit magnetischer Abdichtung der beiden Seiten einer Entwicklerrolle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001056572A JP4672885B2 (ja) 2001-03-01 2001-03-01 現像装置及びプロセスカートリッジ

Publications (3)

Publication Number Publication Date
JP2002258607A JP2002258607A (ja) 2002-09-11
JP2002258607A5 JP2002258607A5 (enExample) 2008-04-17
JP4672885B2 true JP4672885B2 (ja) 2011-04-20

Family

ID=18916580

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2001056572A Expired - Fee Related JP4672885B2 (ja) 2001-03-01 2001-03-01 現像装置及びプロセスカートリッジ

Country Status (4)

Country Link
US (1) US6671473B2 (enExample)
EP (1) EP1239342B1 (enExample)
JP (1) JP4672885B2 (enExample)
DE (1) DE60229579D1 (enExample)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4217474B2 (ja) 2002-12-20 2009-02-04 キヤノン株式会社 磁性体シール部材、これを用いた現像装置、プロセスカートリッジ及び電子写真画像形成装置
JP4617126B2 (ja) * 2004-09-13 2011-01-19 キヤノン株式会社 現像装置及びプロセスカートリッジ
JP4659468B2 (ja) * 2005-01-26 2011-03-30 キヤノン株式会社 現像ユニット及びプロセスカートリッジ
US7356292B2 (en) * 2006-06-15 2008-04-08 Xerox Corporation Electrostatographic developer unit having multiple magnetic brush rolls with a magnetic restrictor for carrier particle emission control
JP4498407B2 (ja) 2006-12-22 2010-07-07 キヤノン株式会社 プロセスカートリッジ、電子写真画像形成装置、及び、電子写真感光体ドラムユニット
JP4948382B2 (ja) 2006-12-22 2012-06-06 キヤノン株式会社 感光ドラム取り付け用カップリング部材
US7627265B2 (en) * 2007-01-15 2009-12-01 Lexmark International, Inc. Seal and seal assembly for an image forming apparatus
JP5311854B2 (ja) 2007-03-23 2013-10-09 キヤノン株式会社 電子写真画像形成装置、現像装置、及び、カップリング部材
US8116657B2 (en) * 2007-12-18 2012-02-14 Lexmark International, Inc. Upper seal for inhibiting doctor blade toner leakage
US8099012B2 (en) * 2007-12-18 2012-01-17 Lexmark International, Inc. Developer roll lip seal
JP5328230B2 (ja) 2008-06-10 2013-10-30 キヤノン株式会社 カートリッジ、及び、前記カートリッジを用いた電子写真画像形成装置
FR2951549B1 (fr) 2009-10-15 2013-08-23 Olivier Schussler Procede d'obtention de bioprotheses medicales implantables
JP2012078548A (ja) * 2010-10-01 2012-04-19 Fuji Xerox Co Ltd 現像装置および画像形成装置
JP6226661B2 (ja) * 2013-09-18 2017-11-08 キヤノン株式会社 プロセスカートリッジ
JP7599870B2 (ja) 2020-08-31 2024-12-16 キヤノン株式会社 現像装置及びその製造方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5730859A (en) 1980-07-31 1982-02-19 Fuji Xerox Co Ltd Magnetic brush developing device
JPH08137275A (ja) * 1994-11-10 1996-05-31 Canon Inc 画像形成装置及びプロセスカートリッジ
JPH08166719A (ja) * 1994-12-14 1996-06-25 Canon Inc 現像装置
JP3492858B2 (ja) * 1996-07-31 2004-02-03 株式会社リコー 現像装置
US5742875A (en) * 1997-02-10 1998-04-21 Xerox Corporation Roll seal blade support for a xerographic development unit using magnetic toner
JP3472108B2 (ja) * 1997-10-01 2003-12-02 キヤノン株式会社 プロセスカートリッジ及び電子写真画像形成装置
JP4018210B2 (ja) * 1997-10-29 2007-12-05 キヤノン株式会社 現像装置及びプロセスカートリッジ及び電子写真画像形成装置
JPH11143226A (ja) * 1997-11-11 1999-05-28 Canon Inc プロセスカートリッジ及び現像装置
JP3618984B2 (ja) 1997-11-11 2005-02-09 キヤノン株式会社 現像装置及びプロセスカートリッジ

Also Published As

Publication number Publication date
US6671473B2 (en) 2003-12-30
US20030012580A1 (en) 2003-01-16
JP2002258607A (ja) 2002-09-11
DE60229579D1 (de) 2008-12-11
EP1239342A1 (en) 2002-09-11
EP1239342B1 (en) 2008-10-29

Similar Documents

Publication Publication Date Title
JP4310069B2 (ja) 磁気シールを有する現像装置
AU727718B2 (en) Developing device
US6836629B2 (en) Developing blade, process cartridge, and electrophotographic image forming apparatus
JP2597024Y2 (ja) 現像装置
US6671473B2 (en) Developing apparatus provided with seal functions on both sides of developing roller
KR20010039690A (ko) 화상 형성 유닛, 잠상 담지체 유닛, 현상 유닛 및 화상형성 장치
JP2001201996A (ja) 画像形成装置およびプロセスカートリッジ
JP4235269B2 (ja) 現像装置及びプロセスカートリッジ及び画像形成装置
JP2001201999A (ja) プロセスカートリッジ及び電子写真画像形成装置
US20140270842A1 (en) Image Forming Apparatus
JP4018210B2 (ja) 現像装置及びプロセスカートリッジ及び電子写真画像形成装置
US6952543B2 (en) Image forming apparatus, process cartridge, and electrode member
JP3258480B2 (ja) プロセスカートリッジ
JP3001760B2 (ja) 現像装置及びプロセスカートリッジ
JP3387729B2 (ja) プロセスカートリッジ及び現像装置
JP3074114B2 (ja) 現像装置及びプロセスカートリッジ
JP2002328585A (ja) プロセスカートリッジ
JPH10282790A (ja) 現像装置及びプロセスカートリッジ
JP3252809B2 (ja) 現像装置
JP2004109189A (ja) プロセスカートリッジ及び現像装置および現像バイアス電圧接点装置
JPH0844202A (ja) 現像装置
JPH0954492A (ja) 現像装置
JP2002365907A (ja) 現像装置、プロセスカートリッジ及び画像形成装置
JPS63202770A (ja) 現像装置
JPH04194880A (ja) 一成分現像装置

Legal Events

Date Code Title Description
RD01 Notification of change of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7421

Effective date: 20060106

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20080303

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20080303

RD04 Notification of resignation of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7424

Effective date: 20100201

RD01 Notification of change of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7421

Effective date: 20100630

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20100720

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20100916

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20110118

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20110120

R150 Certificate of patent or registration of utility model

Ref document number: 4672885

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

Free format text: JAPANESE INTERMEDIATE CODE: R150

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20140128

Year of fee payment: 3

LAPS Cancellation because of no payment of annual fees