DE3885830T2 - Aufladevorrichtung. - Google Patents

Aufladevorrichtung.

Info

Publication number
DE3885830T2
DE3885830T2 DE3885830T DE3885830T DE3885830T2 DE 3885830 T2 DE3885830 T2 DE 3885830T2 DE 3885830 T DE3885830 T DE 3885830T DE 3885830 T DE3885830 T DE 3885830T DE 3885830 T2 DE3885830 T2 DE 3885830T2
Authority
DE
Germany
Prior art keywords
charger
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 - Lifetime
Application number
DE3885830T
Other languages
English (en)
Other versions
DE3885830D1 (de
Inventor
Junji Araya
Masanobu Saito
Hiroki Kisu
Yohji Tomoyuki
Shunji Nakamura
Noribumi Koitabashi
Hiroyuki Adachi
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
Priority claimed from JP23033387A external-priority patent/JPS6473367A/ja
Priority claimed from JP23033487A external-priority patent/JPS6473364A/ja
Priority claimed from JP62251294A external-priority patent/JP2505822B2/ja
Priority claimed from JP33115087A external-priority patent/JPH01172858A/ja
Priority claimed from JP62331149A external-priority patent/JPH0792617B2/ja
Application filed by Canon Inc filed Critical Canon Inc
Application granted granted Critical
Publication of DE3885830D1 publication Critical patent/DE3885830D1/de
Publication of DE3885830T2 publication Critical patent/DE3885830T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • G03G15/02—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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • General Physics & Mathematics (AREA)
  • Electrostatic Charge, Transfer And Separation In Electrography (AREA)
DE3885830T 1987-09-14 1988-09-13 Aufladevorrichtung. Expired - Lifetime DE3885830T2 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP23033387A JPS6473367A (en) 1987-09-14 1987-09-14 Contact electrostatic charging device
JP23033487A JPS6473364A (en) 1987-09-14 1987-09-14 Contact electrifying device
JP62251294A JP2505822B2 (ja) 1987-10-05 1987-10-05 帯電装置
JP33115087A JPH01172858A (ja) 1987-12-26 1987-12-26 接触帯電装置
JP62331149A JPH0792617B2 (ja) 1987-12-26 1987-12-26 接触帯電装置

Publications (2)

Publication Number Publication Date
DE3885830D1 DE3885830D1 (de) 1994-01-05
DE3885830T2 true DE3885830T2 (de) 1994-06-16

Family

ID=27529855

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3885830T Expired - Lifetime DE3885830T2 (de) 1987-09-14 1988-09-13 Aufladevorrichtung.

Country Status (3)

Country Link
US (1) US5126913A (de)
EP (1) EP0308185B1 (de)
DE (1) DE3885830T2 (de)

Families Citing this family (78)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0664393B2 (ja) * 1988-02-11 1994-08-22 キヤノン株式会社 帯電用部材、それを有する接触帯電装置、それを用いた接触帯電方法およびそれを有する電子写真装置
JPH0693150B2 (ja) * 1988-04-20 1994-11-16 キヤノン株式会社 画像形成装置
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
JPH0789249B2 (ja) * 1989-09-14 1995-09-27 キヤノン株式会社 画像形成装置
DE69006685T2 (de) * 1989-11-09 1994-07-07 Canon Kk Toner für die Entwicklung elektrostatischer Bilder, demontierbarer Apparat, Bildherstellungsapparat und Facsimileapparat.
DE69028681T2 (de) * 1989-11-13 1997-02-20 Canon Kk Lichtempfindliches Element, elektrophotographischer Apparat und ihn benutzendes Bildherstellungsverfahren
JPH03156476A (ja) * 1989-11-15 1991-07-04 Canon Inc 画像形成装置の帯電装置
US5353101A (en) * 1990-01-24 1994-10-04 Canon Kabushiki Kaisha Charging member featuring a cut edge, and charging device employing same for use in a detachable process unit in an image forming apparatus
JP2767951B2 (ja) * 1990-01-24 1998-06-25 キヤノン株式会社 接触帯電部材
US5321472A (en) * 1990-01-24 1994-06-14 Canon Kabushiki Kaisha Charging member with a bridging electrode structure and charging device using same in an image forming apparatus
EP0439168B1 (de) * 1990-01-24 1997-04-02 Canon Kabushiki Kaisha Aufladegerät
JPH03240076A (ja) * 1990-02-17 1991-10-25 Canon Inc 帯電装置
EP0458273B1 (de) * 1990-05-21 1997-08-13 Canon Kabushiki Kaisha Aufladevorrichtung, Bilderzeugungsgerät mit einer solchen Vorrichtung und von dem Bilderzeugungsgerät abnehmbare Arbeitseinheit
EP0460558B1 (de) * 1990-06-04 1996-02-07 Canon Kabushiki Kaisha Lichtempfindliches Element zur Elektrophotographie
EP0496399A3 (en) * 1991-01-24 1993-07-07 Canon Kabushiki Kaisha Charging device disposed close to member to be charged and image forming apparatus using same
JP3028617B2 (ja) * 1991-02-06 2000-04-04 ミノルタ株式会社 接触帯電装置
JPH04268583A (ja) * 1991-02-22 1992-09-24 Canon Inc 帯電装置
JP2962919B2 (ja) * 1991-03-01 1999-10-12 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
JP2899123B2 (ja) * 1991-03-20 1999-06-02 キヤノン株式会社 帯電部材、帯電装置、この帯電装置を備えた画像形成装置及びこの画像形成装置に着脱可能なプロセスユニット
US5270768A (en) * 1991-04-24 1993-12-14 Canon Kabushiki Kaisha Charging member containing reduced titanium oxide and device using same
JP2897494B2 (ja) * 1991-10-04 1999-05-31 キヤノン株式会社 プロセスカートリッジ
JP2880356B2 (ja) * 1991-10-30 1999-04-05 沖電気工業株式会社 画像形成装置及び画像形成方法
JP2574107B2 (ja) * 1991-12-02 1997-01-22 株式会社リコー 帯電ローラ及びその製造方法，及び帯電ローラを用いた画像形成装置及びその帯電装置
US5534344A (en) * 1992-01-30 1996-07-09 Canon Kabushiki Kaisha Charging member having a loosely supported charger portion
US5293200A (en) * 1992-02-18 1994-03-08 Brother Kogyo Kabushiki Kaisha Electrostatic device for charging a photosensitive surface
JPH05265263A (ja) * 1992-03-18 1993-10-15 Hitachi Metals Ltd 電子写真プリンタ
EP0562857A2 (de) * 1992-03-26 1993-09-29 Mita Industrial Co. Ltd. Elektrifizierungsverfahren und dafür verwendetes Gerät
US5237375A (en) * 1992-05-13 1993-08-17 Steven Bruce Michlin Wiper and spreader blade stiffener
JP3339877B2 (ja) * 1992-05-15 2002-10-28 ミノルタ株式会社 接触帯電装置
JP3283906B2 (ja) * 1992-06-08 2002-05-20 キヤノン株式会社 帯電装置
JP3320102B2 (ja) * 1992-06-30 2002-09-03 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
JPH0635302A (ja) * 1992-07-16 1994-02-10 Canon Inc 画像形成装置
US5485344A (en) * 1992-09-28 1996-01-16 Mita Industrial Co., Ltd. Method of contact-charging the surface of a photosensitive material
US5381215A (en) * 1992-10-15 1995-01-10 Konica Corporation Image forming apparatus having charger to charge image carrier with magnetic brush
DE69316828T2 (de) * 1992-11-04 1998-06-25 Canon Kk Aufladungsteil und Gerät hiermit
JP2947019B2 (ja) * 1992-11-06 1999-09-13 セイコーエプソン株式会社 接触型電荷供給装置
DE4345490C2 (de) * 1992-11-06 2000-03-09 Seiko Epson Corp Kontaktladevorrichtung
DE4337876C2 (de) * 1992-11-06 2000-07-20 Seiko Epson Corp Kontaktladungszuführvorrichtung
US5552865A (en) * 1993-02-09 1996-09-03 Minolta Camera Kabushiki Kaisha Charging device and method for charging a charge-receiving member by a charging member by discharge therebetween based on difference in electric potential between the charging member and the charge-receiving member
EP0620506A3 (de) * 1993-04-16 1995-03-15 Bando Chemical Ind Aufladungsteil und Aufladevorrichtung hiermit.
US5367364A (en) * 1993-05-19 1994-11-22 Steven B. Michlin Charge roller contact stabilizer spring
TW272259B (de) * 1993-05-31 1996-03-11 Mitsuta Industry Co Ltd
US5535088A (en) * 1993-06-17 1996-07-09 Brother Kogyo Kabushiki Kaisha Contacting charging device for electrostatic photoreceptor drum
JP3240759B2 (ja) * 1993-06-24 2001-12-25 東海ゴム工業株式会社 導電性ロール
JPH0728306A (ja) * 1993-07-07 1995-01-31 Canon Inc 帯電部材、帯電装置、画像形成装置、及びプロセス カートリッジ
JPH0728309A (ja) * 1993-07-13 1995-01-31 Toshiba Corp 画像形成装置
EP0843231B1 (de) * 1993-07-30 2001-10-31 Canon Kabushiki Kaisha Aufladungsteil, Aufladevorrichtung und aus einem Bilderzeugungsgerät herausnehmbare Prozesskassette
EP0642063B1 (de) * 1993-09-07 1999-05-06 Matsushita Electric Industrial Co., Ltd. Aufladevorrichtung und Bilderzeugungsgerät mit der Aufladevorrichtung
EP0646849A3 (de) * 1993-09-30 1995-07-26 Mita Industrial Co Ltd Verfahren und Vorrichtung zum elektrischen Aufladen.
JP3747478B2 (ja) * 1993-10-27 2006-02-22 コニカミノルタビジネステクノロジーズ株式会社 接触帯電装置
DE69425954T2 (de) * 1993-12-28 2001-01-18 Matsushita Electric Ind Co Ltd Aufladevorrichtung, Bilderzeugungsgerät mit der Aufladevorrichtung und Verfahren zur Herstellung der Vorrichtung
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
JP3575054B2 (ja) * 1994-04-22 2004-10-06 東海ゴム工業株式会社 導電性ロールの製造方法
US5506745A (en) * 1994-08-05 1996-04-09 Xerox Corporation Hollow conformable charge roll
JPH0869152A (ja) * 1994-08-26 1996-03-12 Minolta Co Ltd 接触帯電装置
US5475313A (en) * 1994-09-20 1995-12-12 Dykes; Wallace E. Primary charge roller evaluator
JPH08137206A (ja) * 1994-11-10 1996-05-31 Minolta Co Ltd 画像形成装置
SG65539A1 (en) * 1994-12-22 1999-06-22 Canon Kk Charging member process cartridge using the same and electrophotographic apparatus
US5740008A (en) * 1995-04-18 1998-04-14 Bridgestone Corporation Charging member and device
US5689776A (en) * 1995-10-04 1997-11-18 Xerox Corporation Contact charging system for uniformly charging a charge retentive surface
US5581329A (en) * 1995-10-05 1996-12-03 Imaging Rechargers Inc. Contact charger
KR200153521Y1 (ko) * 1996-02-17 1999-09-01 윤종용 전자 사진 인쇄장치의 보조 대전 장치
US6434351B2 (en) 1996-05-30 2002-08-13 Canon Kabushiki Kaisha Electrophotographic photosensitive member, and process cartridge and electrophotographic apparatus employing the same
US6324365B1 (en) 1996-05-30 2001-11-27 Canon Kabushiki Kaisha Electrophotographic photosensitive member, and process cartridge and electrophotographic apparatus employing the same
KR100204554B1 (ko) * 1997-02-28 1999-06-15 백정호 대전 롤러의 제조방법
JP3967450B2 (ja) 1998-02-24 2007-08-29 東海ゴム工業株式会社 帯電ロール
JP4105830B2 (ja) * 1999-07-19 2008-06-25 株式会社リコー 帯電装置における帯電ローラの各層の抵抗率決定方法
JP2001042597A (ja) 1999-08-04 2001-02-16 Sharp Corp 接触帯電装置
JP2002055512A (ja) * 2000-05-30 2002-02-20 Ricoh Co Ltd 帯電装置および該帯電装置を有する画像形成装置
US7803507B2 (en) * 2003-02-07 2010-09-28 Sharp Kabushiki Kaisha Electrophotographic photoreceptor and image forming apparatus including the same
JP3718508B2 (ja) * 2003-06-03 2005-11-24 シャープ株式会社 電子写真感光体およびそれを備える画像形成装置
KR100555734B1 (ko) * 2004-02-17 2006-03-03 삼성전자주식회사 화상형성장치
DE102005024380B4 (de) * 2005-05-27 2007-05-16 Oce Printing Systems Gmbh Vorrichtung und Verfahren zum elektrischen Aufladen eines Transportbandes unter Verwendung einer Kontaktlippe aus einem Gummimaterial
JP5157097B2 (ja) * 2006-07-18 2013-03-06 株式会社リコー 画像形成装置の帯電工程評価方法
JP4544341B2 (ja) * 2008-04-30 2010-09-15 富士ゼロックス株式会社 帯電装置及びこれを用いた画像形成組立体、画像形成装置
JP2012128079A (ja) * 2010-12-14 2012-07-05 Canon Inc 帯電部材および画像形成装置
JP5901227B2 (ja) 2010-12-14 2016-04-06 キヤノン株式会社 帯電部材および画像形成装置
JP5615154B2 (ja) * 2010-12-14 2014-10-29 キヤノン株式会社 帯電部材および画像形成装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2980834A (en) * 1956-04-26 1961-04-18 Bruning Charles Co Inc Charging of photo-conductive insulating material
US2934649A (en) * 1957-01-09 1960-04-26 Haloid Xerox Inc Induction charging
GB1267535A (en) * 1968-03-19 1972-03-22 Iwatsu Electric Co Ltd Electrophotographic process and apparatus
US3778690A (en) * 1972-03-16 1973-12-11 Copy Res Corp Electrostatic copying machine
DE3101678C2 (de) * 1980-01-25 1983-07-07 Tokyo Shibaura Denki K.K., Kawasaki, Kanagawa Einrichtung zum gleichförmigen Aufladen eines kontinuierlich durch eine Aufladezone bewegten elektrofotografischen Aufzeichnungsmaterials
EP0035745B1 (de) * 1980-03-10 1984-06-20 Kabushiki Kaisha Toshiba Aufladevorrichtung
JPS5772157A (en) * 1980-10-22 1982-05-06 Toshiba Corp Electrostatic charger
US4851960A (en) * 1986-12-15 1989-07-25 Canon Kabushiki Kaisha Charging device

Also Published As

Publication number Publication date
DE3885830D1 (de) 1994-01-05
EP0308185A2 (de) 1989-03-22
EP0308185B1 (de) 1993-11-24
EP0308185A3 (en) 1989-08-23
US5126913A (en) 1992-06-30

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition