EP0578190A3 - Developing device for use in image forming apparatus - Google Patents

Developing device for use in image forming apparatus Download PDF

Info

Publication number
EP0578190A3
EP0578190A3 EP93110760A EP93110760A EP0578190A3 EP 0578190 A3 EP0578190 A3 EP 0578190A3 EP 93110760 A EP93110760 A EP 93110760A EP 93110760 A EP93110760 A EP 93110760A EP 0578190 A3 EP0578190 A3 EP 0578190A3
Authority
EP
European Patent Office
Prior art keywords
image forming
forming apparatus
developing device
developing
image
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.)
Withdrawn
Application number
EP93110760A
Other versions
EP0578190A2 (en
Inventor
Takayuki Miyamoto
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.)
Konica Minolta Inc
Original Assignee
Konica Minolta 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 Konica Minolta Inc filed Critical Konica Minolta Inc
Publication of EP0578190A2 publication Critical patent/EP0578190A2/en
Publication of EP0578190A3 publication Critical patent/EP0578190A3/en
Withdrawn legal-status Critical Current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
    • G03G15/06—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
    • G03G15/0896—Arrangements or disposition of the complete developer unit or parts thereof not provided for by groups G03G15/08 - G03G15/0894
    • G03G15/0898—Arrangements or disposition of the complete developer unit or parts thereof not provided for by groups G03G15/08 - G03G15/0894 for preventing toner scattering during operation, e.g. seals
    • 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
EP93110760A 1992-07-08 1993-07-06 Developing device for use in image forming apparatus Withdrawn EP0578190A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP181167/92 1992-07-08
JP18116792A JP3094255B2 (en) 1992-07-08 1992-07-08 Developing unit

Publications (2)

Publication Number Publication Date
EP0578190A2 EP0578190A2 (en) 1994-01-12
EP0578190A3 true EP0578190A3 (en) 1997-09-03

Family

ID=16096062

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93110760A Withdrawn EP0578190A3 (en) 1992-07-08 1993-07-06 Developing device for use in image forming apparatus

Country Status (2)

Country Link
EP (1) EP0578190A3 (en)
JP (1) JP3094255B2 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19990011671A (en) * 1997-07-25 1999-02-18 윤종용 Developing apparatus having exhaust port for internal pressure adjustment
AU2004202645B1 (en) * 2004-06-18 2005-07-07 Gcc Ip Pty Limited A Cover Adapted For Protecting a Photosensitve Member of a Process Cartridge
JP5171553B2 (en) * 2008-10-31 2013-03-27 京セラドキュメントソリューションズ株式会社 Developing device and image forming apparatus
JP5751779B2 (en) * 2009-10-30 2015-07-22 キヤノン株式会社 Developing device, developing cartridge, process cartridge, and image forming apparatus
JP6119323B2 (en) * 2013-03-13 2017-04-26 株式会社リコー Developing device, process cartridge, and image forming apparatus
JP6864871B2 (en) * 2017-05-30 2021-04-28 株式会社リコー Develop equipment and image forming equipment
JP7247500B2 (en) * 2018-09-20 2023-03-29 富士フイルムビジネスイノベーション株式会社 Developing device and image forming device
JP7075624B2 (en) * 2018-09-28 2022-05-26 株式会社リコー Developing equipment, process cartridges, and image forming equipment
JP6923211B2 (en) * 2018-12-27 2021-08-18 東英産業株式会社 Fiber member, brush member, filter member, seal member and image forming device

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58194067A (en) * 1982-05-10 1983-11-11 Fuji Xerox Co Ltd Magnetic brush developing device of electrophotographic copying machine
JPS6051861A (en) * 1983-08-31 1985-03-23 Ricoh Co Ltd Dry developing device
JPS6155666A (en) * 1984-08-27 1986-03-20 Konishiroku Photo Ind Co Ltd Image recording device
US4583112A (en) * 1984-10-29 1986-04-15 Xerox Corporation Venting system for the developer housing of an electrostatic copying machine
JPS61129664A (en) * 1984-11-29 1986-06-17 Toshiba Corp Developing device
JPS61145570A (en) * 1984-12-19 1986-07-03 Sharp Corp Dry type developing device
US4666282A (en) * 1986-03-03 1987-05-19 Xerox Corporation Contamination control for xerographic developing systems
JPS62192770A (en) * 1986-02-20 1987-08-24 Fuji Xerox Co Ltd One component developing device
US5057868A (en) * 1989-02-10 1991-10-15 Minolta Camera Kabushiki Kaisha Developing apparatus having a sealing construction for preventing a toner leakage
JPH0425876A (en) * 1990-05-21 1992-01-29 Matsushita Electric Ind Co Ltd Developing device
JPH0635305A (en) * 1992-07-17 1994-02-10 Konica Corp Developing device
JPH0635304A (en) * 1992-07-16 1994-02-10 Konica Corp Developing device

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58194067A (en) * 1982-05-10 1983-11-11 Fuji Xerox Co Ltd Magnetic brush developing device of electrophotographic copying machine
JPS6051861A (en) * 1983-08-31 1985-03-23 Ricoh Co Ltd Dry developing device
JPS6155666A (en) * 1984-08-27 1986-03-20 Konishiroku Photo Ind Co Ltd Image recording device
US4583112A (en) * 1984-10-29 1986-04-15 Xerox Corporation Venting system for the developer housing of an electrostatic copying machine
JPS61129664A (en) * 1984-11-29 1986-06-17 Toshiba Corp Developing device
JPS61145570A (en) * 1984-12-19 1986-07-03 Sharp Corp Dry type developing device
JPS62192770A (en) * 1986-02-20 1987-08-24 Fuji Xerox Co Ltd One component developing device
US4666282A (en) * 1986-03-03 1987-05-19 Xerox Corporation Contamination control for xerographic developing systems
US5057868A (en) * 1989-02-10 1991-10-15 Minolta Camera Kabushiki Kaisha Developing apparatus having a sealing construction for preventing a toner leakage
JPH0425876A (en) * 1990-05-21 1992-01-29 Matsushita Electric Ind Co Ltd Developing device
JPH0635304A (en) * 1992-07-16 1994-02-10 Konica Corp Developing device
JPH0635305A (en) * 1992-07-17 1994-02-10 Konica Corp Developing device

Non-Patent Citations (10)

* Cited by examiner, † Cited by third party
Title
"TONER SEAL FOR PRINTER", IBM TECHNICAL DISCLOSURE BULLETIN, vol. 33, no. 3B, 1 August 1990 (1990-08-01), pages 29 - 30, XP000124246 *
EDWIN J. DAVIS: "EXTENDED DEVELOPER HOUSING SHOE SEAL", XEROX DISCLOSURE JOURNAL, vol. 9, no. 2, STAMFORD, CONNECTICUT, USA, pages 141, XP002033968 *
PATENT ABSTRACTS OF JAPAN vol. 008, no. 042 (P - 256) 23 February 1984 (1984-02-23) *
PATENT ABSTRACTS OF JAPAN vol. 009, no. 177 (P - 375) 23 July 1985 (1985-07-23) *
PATENT ABSTRACTS OF JAPAN vol. 010, no. 220 (P - 482) 31 July 1986 (1986-07-31) *
PATENT ABSTRACTS OF JAPAN vol. 010, no. 322 (P - 511) 31 October 1986 (1986-10-31) *
PATENT ABSTRACTS OF JAPAN vol. 010, no. 344 (P - 518) 20 November 1986 (1986-11-20) *
PATENT ABSTRACTS OF JAPAN vol. 012, no. 046 (P - 665) 12 February 1988 (1988-02-12) *
PATENT ABSTRACTS OF JAPAN vol. 016, no. 193 (P - 1349) 11 May 1992 (1992-05-11) *
PATENT ABSTRACTS OF JAPAN vol. 018, no. 256 (P - 1738) 16 May 1994 (1994-05-16) *

Also Published As

Publication number Publication date
EP0578190A2 (en) 1994-01-12
JPH0627795A (en) 1994-02-04
JP3094255B2 (en) 2000-10-03

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