JPS5529837A - Charger - Google Patents

Charger

Info

Publication number
JPS5529837A
JPS5529837A JP10263078A JP10263078A JPS5529837A JP S5529837 A JPS5529837 A JP S5529837A JP 10263078 A JP10263078 A JP 10263078A JP 10263078 A JP10263078 A JP 10263078A JP S5529837 A JPS5529837 A JP S5529837A
Authority
JP
Japan
Prior art keywords
wires
photoreceptor
bundle
charger
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.)
Pending
Application number
JP10263078A
Other languages
Japanese (ja)
Inventor
Yoshisuke Takekida
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP10263078A priority Critical patent/JPS5529837A/en
Publication of JPS5529837A publication Critical patent/JPS5529837A/en
Pending 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)

Abstract

PURPOSE:To obtain a high reliability charger in a simple constitution without causing uneven charging, by bundling conductive thin fibrous wires into a brush form, and applying a potential to the surface thereof by contacting with photoreceptor. CONSTITUTION:A charger is constituted with a bundle 11 of conductive thin fibrous wires, which is tied by a holder 12 into the form of a brush. A lead wire 13 is connected with the bundle 11 of conductive fibrous wires within the holder 12 so that electric current may be passed in. As the bundle 11 of conductive thin fibrous wires, mostly carbon fibers or stainless steel fibers are used, of which diameter is selected within several microns to scores of microns. When such thin wires are shaped in a brush form and contacted with the surface of a photoreceptor 1, innumerable wires make contact, and electric charge is applied to each one of them, so that potential unevenness never occurs on the surface of the photoreceptor 1.
JP10263078A 1978-08-22 1978-08-22 Charger Pending JPS5529837A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10263078A JPS5529837A (en) 1978-08-22 1978-08-22 Charger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10263078A JPS5529837A (en) 1978-08-22 1978-08-22 Charger

Publications (1)

Publication Number Publication Date
JPS5529837A true JPS5529837A (en) 1980-03-03

Family

ID=14332547

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10263078A Pending JPS5529837A (en) 1978-08-22 1978-08-22 Charger

Country Status (1)

Country Link
JP (1) JPS5529837A (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0035745A2 (en) * 1980-03-10 1981-09-16 Kabushiki Kaisha Toshiba Charging device
EP0037957A2 (en) * 1980-04-11 1981-10-21 Kabushiki Kaisha Toshiba Electrophotographic imaging method
JPS57119931A (en) * 1980-12-01 1982-07-26 Freudenberg Carl Corona discharge treating device for formed body surface comprising thermoplastic resin
JPS6311968A (en) * 1986-03-10 1988-01-19 Toei Sangyo Kk Electrifier
EP0294042A2 (en) * 1987-05-28 1988-12-07 Crosfield Electronics Limited Improvements relating to gravure printing
US5398102A (en) * 1992-04-21 1995-03-14 Sharp Kabushiki Kaisha Electrophotographic copier and charging means used therefor
US5426488A (en) * 1992-10-19 1995-06-20 Sharp Kabushiki Kaisha Method of charging a built-in electrophotographic charge member
US5489973A (en) * 1991-12-25 1996-02-06 Minolta Camera Kabushiki Kaisha An electrically conductive member of an image forming apparatus containing an impurity atom
US6493529B1 (en) 1999-07-05 2002-12-10 Ricoh Company, Ltd. Charging device with walls surrounding the electrodes which reduce ozone emissions

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2774962A (en) * 1953-12-07 1956-12-18 Northrop Aircraft Inc Electrical keyer
US2774921A (en) * 1953-04-23 1956-12-18 Haloid Co Apparatus for electrostatically charging insulating image surfaces for electrophotography

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2774921A (en) * 1953-04-23 1956-12-18 Haloid Co Apparatus for electrostatically charging insulating image surfaces for electrophotography
US2774962A (en) * 1953-12-07 1956-12-18 Northrop Aircraft Inc Electrical keyer

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0035745A2 (en) * 1980-03-10 1981-09-16 Kabushiki Kaisha Toshiba Charging device
EP0037957A2 (en) * 1980-04-11 1981-10-21 Kabushiki Kaisha Toshiba Electrophotographic imaging method
EP0037957A3 (en) * 1980-04-11 1982-03-17 Tokyo Shibaura Denki Kabushiki Kaisha Electrophotographic imaging method
JPS57119931A (en) * 1980-12-01 1982-07-26 Freudenberg Carl Corona discharge treating device for formed body surface comprising thermoplastic resin
JPS6046133B2 (en) * 1980-12-01 1985-10-14 カ−ル・フロイデンベルク Corona discharge treatment equipment for the surface of molded objects made of thermoplastic resin
JPS6311968A (en) * 1986-03-10 1988-01-19 Toei Sangyo Kk Electrifier
EP0294042A2 (en) * 1987-05-28 1988-12-07 Crosfield Electronics Limited Improvements relating to gravure printing
EP0294042A3 (en) * 1987-05-28 1989-10-11 Crosfield Electronics Limited Improvements relating to gravure printing
US5489973A (en) * 1991-12-25 1996-02-06 Minolta Camera Kabushiki Kaisha An electrically conductive member of an image forming apparatus containing an impurity atom
US5398102A (en) * 1992-04-21 1995-03-14 Sharp Kabushiki Kaisha Electrophotographic copier and charging means used therefor
US5426488A (en) * 1992-10-19 1995-06-20 Sharp Kabushiki Kaisha Method of charging a built-in electrophotographic charge member
US6493529B1 (en) 1999-07-05 2002-12-10 Ricoh Company, Ltd. Charging device with walls surrounding the electrodes which reduce ozone emissions

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