HK1011756A1 - Charging member charging device and process cartridge detachably mountable to image forming apparatus - Google Patents

Charging member charging device and process cartridge detachably mountable to image forming apparatus

Info

Publication number
HK1011756A1
HK1011756A1 HK98112860A HK98112860A HK1011756A1 HK 1011756 A1 HK1011756 A1 HK 1011756A1 HK 98112860 A HK98112860 A HK 98112860A HK 98112860 A HK98112860 A HK 98112860A HK 1011756 A1 HK1011756 A1 HK 1011756A1
Authority
HK
Hong Kong
Prior art keywords
image forming
forming apparatus
process cartridge
detachably mountable
cartridge detachably
Prior art date
Application number
HK98112860A
Other languages
English (en)
Inventor
Hiroshi Sato
Kazushige Sakurai
Junichi Kato
Masaku Ojima
Satoru Inami
Tetsuya Sano
Kouichi Suwa
Original Assignee
Canon Kk
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
Priority claimed from JP05208810A external-priority patent/JP3080125B2/ja
Priority claimed from JP05208811A external-priority patent/JP3080126B2/ja
Priority claimed from JP5208809A external-priority patent/JPH0743983A/ja
Priority claimed from JP06165289A external-priority patent/JP3109959B2/ja
Application filed by Canon Kk filed Critical Canon Kk
Publication of HK1011756A1 publication Critical patent/HK1011756A1/xx

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
    • G03G21/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements
    • G03G21/18—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements using a processing cartridge, whereby the process cartridge comprises at least two image processing means in a single unit
    • G03G21/1803—Arrangements or disposition of the complete process cartridge or parts thereof
    • G03G21/1828—Prevention of damage or soiling, e.g. mechanical abrasion
    • G03G21/1832—Shielding members, shutter, e.g. light, heat shielding, prevention of toner scattering
    • 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
    • G03G15/02—Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices
    • G03G15/0208—Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices by contact, friction or induction, e.g. liquid charging apparatus
    • G03G15/0216—Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices by contact, friction or induction, e.g. liquid charging apparatus by bringing a charging member into contact with the member to be charged, e.g. roller, brush chargers
    • G03G15/0233—Structure, details of the charging member, e.g. chemical composition, surface properties
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2221/00—Processes not provided for by group G03G2215/00, e.g. cleaning or residual charge elimination
    • G03G2221/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts
    • G03G2221/18—Cartridge systems
    • G03G2221/183—Process cartridge

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Plasma & Fusion (AREA)
  • Electrostatic Charge, Transfer And Separation In Electrography (AREA)
HK98112860A 1993-07-30 1998-12-05 Charging member charging device and process cartridge detachably mountable to image forming apparatus HK1011756A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP05208810A JP3080125B2 (ja) 1993-07-30 1993-07-30 帯電部材、プロセスカートリッジ及び画像形成装置
JP05208811A JP3080126B2 (ja) 1993-07-30 1993-07-30 帯電部材、プロセスカートリッジ及び画像形成装置
JP5208809A JPH0743983A (ja) 1993-07-30 1993-07-30 帯電部材、プロセスカートリッジ及び画像形成装置
JP20880793 1993-07-30
JP06165289A JP3109959B2 (ja) 1993-07-30 1994-07-18 帯電部材及び帯電装置及び画像形成装置に着脱可能なプロセスカートリッジ

Publications (1)

Publication Number Publication Date
HK1011756A1 true HK1011756A1 (en) 1999-07-16

Family

ID=27528374

Family Applications (3)

Application Number Title Priority Date Filing Date
HK98111775A HK1010583A1 (en) 1993-07-30 1998-11-06 Charging member, charging device and process cartridge detachably mountable to image forming apparatus
HK98112093A HK1010921A1 (en) 1993-07-30 1998-11-17 Charging member, charging device and process cartridge detrachably mountable to image forming apparatus
HK98112860A HK1011756A1 (en) 1993-07-30 1998-12-05 Charging member charging device and process cartridge detachably mountable to image forming apparatus

Family Applications Before (2)

Application Number Title Priority Date Filing Date
HK98111775A HK1010583A1 (en) 1993-07-30 1998-11-06 Charging member, charging device and process cartridge detachably mountable to image forming apparatus
HK98112093A HK1010921A1 (en) 1993-07-30 1998-11-17 Charging member, charging device and process cartridge detrachably mountable to image forming apparatus

Country Status (4)

Country Link
US (1) US5765077A (xx)
EP (3) EP0843231B1 (xx)
DE (3) DE69428924T2 (xx)
HK (3) HK1010583A1 (xx)

Families Citing this family (40)

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US5659854A (en) * 1994-08-30 1997-08-19 Bridgestone Corporation Electrostatic charging member and photoconductor device
SG65539A1 (en) * 1994-12-22 1999-06-22 Canon Kk Charging member process cartridge using the same and electrophotographic apparatus
EP0735437B1 (en) * 1995-03-29 2004-06-09 Canon Kabushiki Kaisha Contact charging member and electrophotographic apparatus using the same
US5666606A (en) * 1995-06-08 1997-09-09 Canon Kabushiki Kaisha Image forming apparatus comprising contact type charging member
JPH10513581A (ja) * 1995-11-29 1998-12-22 ロジャーズ コーポレーション 導電性熱収縮性筒表面を備えた導電ローラー
JP3489321B2 (ja) * 1996-03-19 2004-01-19 東海ゴム工業株式会社 帯電ロール
JPH10274868A (ja) 1997-03-31 1998-10-13 Canon Inc 画像形成装置及びプロセスカートリッジ
JPH11125956A (ja) * 1997-10-22 1999-05-11 Casio Electron Mfg Co Ltd 帯電部材及びそれを用いた電子式画像形成装置
US5993952A (en) * 1997-12-29 1999-11-30 World Properties, Inc. Document feeding component and method of manufacture thereof
US6194478B1 (en) * 1997-12-29 2001-02-27 World Properties, Inc. Document feeding component and method of manufacture thereof
US6128462A (en) * 1998-04-02 2000-10-03 Canon Kabushiki Kaisha Cleaning member, image forming apparatus provided with a cleaning blade member, and process cartridge detachably attachable on the image forming apparatus
US6175703B1 (en) 1998-10-23 2001-01-16 Canon Kabushiki Kaisha Image forming apparatus and process cartridge
US6035163A (en) * 1998-11-20 2000-03-07 Xerox Corporation Vibration absorbing bias charge roll
DE69929667T2 (de) 1998-12-28 2006-08-10 Canon K.K. Bildentwicklungsgerät, Arbeitseinheit, elektrophotographisches Bilderzeugungsgerät und Entwicklungsrahmeneinheit
US6169869B1 (en) 1999-01-28 2001-01-02 Canon Kabushiki Kaisha Image forming apparatus and process cartridge
JP3768712B2 (ja) 1999-02-09 2006-04-19 キヤノン株式会社 攪拌手段、現像装置、およびプロセスカートリッジ
US6317574B1 (en) 1999-02-25 2001-11-13 Canon Kabushiki Kaisha Charging member, process cartridge, and image forming apparatus
JP3363873B2 (ja) 1999-07-13 2003-01-08 キヤノン株式会社 現像剤量逐次表示方法及び電子写真画像形成装置
JP2001051490A (ja) 1999-08-06 2001-02-23 Canon Inc 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
US6912366B1 (en) 1999-08-31 2005-06-28 Canon Kabushiki Kaisha Image forming apparatus comprising means for detecting an amount of developer contained in a developer container, a memory for storing the amount detected by the detecting means, and control means for updating the information stored in the memory
JP4365954B2 (ja) * 1999-10-22 2009-11-18 キヤノン株式会社 ベルト及びこれを備える画像形成装置
JP2001194890A (ja) 1999-10-27 2001-07-19 Canon Inc 現像剤量表示方法及び電子写真画像形成装置
JP2001255786A (ja) 2000-01-07 2001-09-21 Canon Inc 電子写真画像形成装置
JP2001242684A (ja) 2000-03-01 2001-09-07 Canon Inc 画像形成装置及びプロセスカートリッジ
JP2002072573A (ja) 2000-08-23 2002-03-12 Canon Inc 画像形成装置、カートリッジ、画像形成システム、および記憶媒体
US6548154B1 (en) 2000-11-28 2003-04-15 Xerox Corporation Electrical charge relaxable wear resistant coating for bias charging or transfer member
US6697591B2 (en) 2001-06-21 2004-02-24 Canon Kabushiki Kaisha Electrophotographic apparatus and process cartridge
US6741824B2 (en) 2002-04-23 2004-05-25 Canon Kabushiki Kaisha Charging system, process cartridge and image forming apparatus
JP2004038034A (ja) * 2002-07-05 2004-02-05 Ricoh Co Ltd 帯電装置、プロセスカートリッジ、画像形成装置および複写機
JP4272866B2 (ja) * 2002-09-27 2009-06-03 キヤノン株式会社 画像形成装置
US6978100B2 (en) * 2002-09-30 2005-12-20 Canon Kabushiki Kaisha Process cartridge, developing cartridge and developing roller
US7035572B2 (en) * 2003-10-31 2006-04-25 Hewlett-Packard Development Company, L.P. Hard imaging device charging systems, electrophotography charging systems, hard imaging apparatuses, and hard imaging device electrophotography charging methods
US7835668B2 (en) * 2004-11-24 2010-11-16 Hewlett-Packard Development Company, L.P. Imaging methods, imaging member charging methods, and image engines
US20070127935A1 (en) * 2005-11-30 2007-06-07 Canon Kabushiki Kaisha Image forming apparatus to which cartridges are detachably mountable
JP5264355B2 (ja) * 2008-07-31 2013-08-14 キヤノン株式会社 画像形成装置
JP5097195B2 (ja) * 2009-04-15 2012-12-12 東海ゴム工業株式会社 帯電ロール及びその製造方法
JP5541685B2 (ja) * 2010-02-12 2014-07-09 キヤノン株式会社 画像形成装置
US9599914B2 (en) 2015-04-03 2017-03-21 Canon Kabushiki Kaisha Electrophotographic member having bow-shaped resin particles defining concavity and protrusion at surface thereof
EP3079019B1 (en) * 2015-04-03 2017-10-18 Canon Kabushiki Kaisha Roller for electrophotography, process cartridge, and image-forming apparatus
JP7305417B2 (ja) 2019-04-25 2023-07-10 キヤノン株式会社 プロセスカートリッジ及び画像形成装置

Family Cites Families (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63208878A (ja) * 1987-02-26 1988-08-30 Canon Inc 帯電装置
JPS6466673A (en) * 1987-09-08 1989-03-13 Tokai Rubber Ind Ltd Conductive roll
DE3885830T2 (de) * 1987-09-14 1994-06-16 Canon Kk Aufladevorrichtung.
JP2854867B2 (ja) * 1987-09-14 1999-02-10 ジーディーイー システムズ インコーポレイテッド イメージ処理システム及び画素データ転送法
US4967231A (en) * 1987-12-29 1990-10-30 Kabushiki Kaisha Toshiba Apparatus for forming an electrophotographic latent image
JP2607109B2 (ja) * 1988-01-11 1997-05-07 キヤノン株式会社 帯電装置
JPH0830915B2 (ja) * 1988-02-19 1996-03-27 キヤノン株式会社 帯電部材、それを用いた帯電装置および電子写真装置
US5307122A (en) * 1989-07-28 1994-04-26 Canon Kabushiki Kaisha Image forming apparatus apparatus unit facsimile apparatus and developer comprising hydrophobic silica fine powder for developing electrostatic images
JPH0387843A (ja) * 1989-08-31 1991-04-12 Canon Inc 画像形成装置
JPH04240670A (ja) * 1991-01-24 1992-08-27 Canon Inc 帯電装置及びこれを備えた画像形成装置
JPH04268583A (ja) * 1991-02-22 1992-09-24 Canon Inc 帯電装置
JP3262346B2 (ja) * 1991-07-31 2002-03-04 キヤノン株式会社 帯電装置及び帯電装置を有するプロセスカートリッジ又は画像形成装置
JP2561400B2 (ja) * 1991-07-31 1996-12-04 キヤノン株式会社 電子写真装置及びこの装置に着脱可能なプロセスカートリッジ
JP2848547B2 (ja) * 1991-11-06 1999-01-20 富士通株式会社 画像形成装置用ローラ及びこれを用いた画像形成装置
JPH05181349A (ja) * 1992-01-06 1993-07-23 Canon Inc 接触帯電装置
JPH05210281A (ja) * 1992-01-30 1993-08-20 Canon Inc 接触帯電部材、接触帯電装置、及びプロセスカートリッジ
US5534344A (en) * 1992-01-30 1996-07-09 Canon Kabushiki Kaisha Charging member having a loosely supported charger portion
JPH05224506A (ja) * 1992-02-13 1993-09-03 Canon Inc 帯電装置
JPH0619277A (ja) * 1992-02-18 1994-01-28 Canon Inc 接触帯電部材、接触帯電装置、及びプロセスカートリッジ
JPH05265305A (ja) * 1992-03-18 1993-10-15 Canon Inc 接触帯電装置
DE69321755T2 (de) * 1992-04-28 1999-04-22 Canon Kk Bilderzeugungsgerät mit einem Aufladeelement
JPH05333668A (ja) * 1992-05-29 1993-12-17 Canon Inc 接触帯電装置、及びプロセスカートリッジ
JPH0635302A (ja) * 1992-07-16 1994-02-10 Canon Inc 画像形成装置
JPH0689051A (ja) * 1992-09-07 1994-03-29 Canon Inc 接触帯電装置及び画像形成装置
JPH06130780A (ja) * 1992-10-16 1994-05-13 Canon Inc 接触帯電装置
US6096395A (en) * 1992-12-16 2000-08-01 Tokai Rubber Industries, Ltd. Roll including foam body and method of producing the roll
JPH0792775A (ja) * 1993-04-28 1995-04-07 Canon Inc 帯電部材、帯電装置、プロセスカートリッジ及び画像形成装置
US5576805A (en) * 1994-03-16 1996-11-19 Canon Kabushiki Kaisha Contact charging member for charging a photosensitive drum having improved durability and a method for making the same
US5666606A (en) * 1995-06-08 1997-09-09 Canon Kabushiki Kaisha Image forming apparatus comprising contact type charging member

Also Published As

Publication number Publication date
EP0840176A3 (en) 1998-09-16
EP0636949B1 (en) 1998-10-21
DE69428924T2 (de) 2002-04-04
US5765077A (en) 1998-06-09
DE69428922T2 (de) 2002-04-11
HK1010921A1 (en) 1999-07-02
HK1010583A1 (en) 1999-06-25
EP0843231A2 (en) 1998-05-20
EP0840176B1 (en) 2001-10-31
DE69428922D1 (de) 2001-12-06
EP0843231B1 (en) 2001-10-31
DE69428924D1 (de) 2001-12-06
EP0636949A2 (en) 1995-02-01
DE69414047T2 (de) 1999-04-22
EP0840176A2 (en) 1998-05-06
EP0636949A3 (xx) 1995-03-08
EP0843231A3 (en) 1998-09-16
DE69414047D1 (de) 1998-11-26

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Legal Events

Date Code Title Description
PF Patent in force
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20080801