EP0180378A3 - Contact brush charging - Google Patents

Contact brush charging Download PDF

Info

Publication number
EP0180378A3
EP0180378A3 EP85307466A EP85307466A EP0180378A3 EP 0180378 A3 EP0180378 A3 EP 0180378A3 EP 85307466 A EP85307466 A EP 85307466A EP 85307466 A EP85307466 A EP 85307466A EP 0180378 A3 EP0180378 A3 EP 0180378A3
Authority
EP
European Patent Office
Prior art keywords
contact brush
brush charging
charging
contact
brush
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
EP85307466A
Other versions
EP0180378A2 (en
EP0180378B1 (en
Inventor
Joan R. Ewing
Joseph A. Swift
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.)
Xerox Corp
Original Assignee
Xerox Corp
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 Xerox Corp filed Critical Xerox Corp
Publication of EP0180378A2 publication Critical patent/EP0180378A2/en
Publication of EP0180378A3 publication Critical patent/EP0180378A3/en
Application granted granted Critical
Publication of EP0180378B1 publication Critical patent/EP0180378B1/en
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
    • G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
    • G03G21/06—Eliminating residual charges from a reusable imaging member
    • 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
    • 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
    • G03G15/0291—Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices corona discharge devices, e.g. wires, pointed electrodes, means for cleaning the corona discharge device

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • General Physics & Mathematics (AREA)
  • Electrostatic Charge, Transfer And Separation In Electrography (AREA)
  • Brushes (AREA)
EP19850307466 1984-10-29 1985-10-16 Contact brush charging Expired - Lifetime EP0180378B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US66582284A 1984-10-29 1984-10-29
US665822 1984-10-29

Publications (3)

Publication Number Publication Date
EP0180378A2 EP0180378A2 (en) 1986-05-07
EP0180378A3 true EP0180378A3 (en) 1986-12-10
EP0180378B1 EP0180378B1 (en) 1990-06-13

Family

ID=24671697

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19850307466 Expired - Lifetime EP0180378B1 (en) 1984-10-29 1985-10-16 Contact brush charging

Country Status (3)

Country Link
EP (1) EP0180378B1 (en)
JP (1) JPH0675221B2 (en)
DE (1) DE3578236D1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8712550D0 (en) * 1987-05-28 1987-07-01 Crosfield Electronics Ltd Gravure printing
US5012282A (en) * 1988-02-25 1991-04-30 Fujitsu Limited Brush contact type charging unit in an image forming apparatus
JP2633686B2 (en) * 1989-05-31 1997-07-23 株式会社東芝 Image forming device
JP3342906B2 (en) * 1991-12-18 2002-11-11 ゼロックス・コーポレーション Electronic device and electronic switch
JP6150568B2 (en) * 2013-03-12 2017-06-21 キヤノン株式会社 Image forming apparatus

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3140681A1 (en) * 1980-10-14 1982-05-27 Tokyo Shibaura Denki K.K., Kawasaki, Kanagawa CHARGER, ESPECIALLY FOR AN ELECTROSTATIC COPIER
US4336565A (en) * 1980-08-04 1982-06-22 Xerox Corporation Charge process with a carbon fiber brush electrode
EP0089224A2 (en) * 1982-03-15 1983-09-21 Schlegel Corporation Conductive charge/discharge device

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS516245B2 (en) * 1972-08-07 1976-02-26
JPS49116329A (en) * 1973-03-13 1974-11-07
JPS5746265A (en) * 1980-09-03 1982-03-16 Canon Inc Electricity charging equipment
JPS5749965A (en) * 1980-09-11 1982-03-24 Canon Inc Friction charger
JPS5764754A (en) * 1980-10-08 1982-04-20 Toshiba Corp Charging device
JPS5840566A (en) * 1981-09-03 1983-03-09 Kinoshita Kenkyusho:Kk Method for contact charging in electrophotography

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4336565A (en) * 1980-08-04 1982-06-22 Xerox Corporation Charge process with a carbon fiber brush electrode
DE3140681A1 (en) * 1980-10-14 1982-05-27 Tokyo Shibaura Denki K.K., Kawasaki, Kanagawa CHARGER, ESPECIALLY FOR AN ELECTROSTATIC COPIER
EP0089224A2 (en) * 1982-03-15 1983-09-21 Schlegel Corporation Conductive charge/discharge device

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN, vol. 6, no. 121 (P-126)[999], 6th July 1982; & JP - A - 57 46265 (CANON) 16-03-1982 *
PATENT ABSTRACTS OF JAPAN, vol. 7, no. 121 (P-199)[1266], 25th May 1983; & JP - A - 58 40566 (KINOSHITA KENKYUSHO) 09-03-1983 *

Also Published As

Publication number Publication date
DE3578236D1 (en) 1990-07-19
EP0180378A2 (en) 1986-05-07
EP0180378B1 (en) 1990-06-13
JPH0675221B2 (en) 1994-09-21
JPS61109067A (en) 1986-05-27

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