EP0507528A3 - Process cartridge and image forming system with it - Google Patents

Process cartridge and image forming system with it Download PDF

Info

Publication number
EP0507528A3
EP0507528A3 EP19920302768 EP92302768A EP0507528A3 EP 0507528 A3 EP0507528 A3 EP 0507528A3 EP 19920302768 EP19920302768 EP 19920302768 EP 92302768 A EP92302768 A EP 92302768A EP 0507528 A3 EP0507528 A3 EP 0507528A3
Authority
EP
European Patent Office
Prior art keywords
image forming
process cartridge
forming system
cartridge
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.)
Granted
Application number
EP19920302768
Other versions
EP0507528A2 (en
EP0507528B1 (en
Inventor
Masahiko Yashiro
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
Application filed by Canon Inc filed Critical Canon Inc
Publication of EP0507528A2 publication Critical patent/EP0507528A2/en
Publication of EP0507528A3 publication Critical patent/EP0507528A3/en
Application granted granted Critical
Publication of EP0507528B1 publication Critical patent/EP0507528B1/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
    • G03G21/16—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
    • 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
    • G03G21/1642—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements for connecting the different parts of the apparatus
    • G03G21/1647—Mechanical connection means
    • 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
    • G03G21/1661—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements means for handling parts of the apparatus in the apparatus
    • G03G21/1671—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements means for handling parts of the apparatus in the apparatus for the photosensitive element
    • 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
    • G03G2221/1606—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts for the photosensitive element
    • G03G2221/1609—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts for the photosensitive element protective arrangements for preventing damage
    • 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
    • G03G2221/1651—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts for connecting the different parts
    • G03G2221/1654—Locks and means for positioning or alignment
    • 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
    • G03G2221/1651—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts for connecting the different parts
    • G03G2221/1657—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts for connecting the different parts transmitting mechanical drive power
    • 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)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Electrophotography Configuration And Component (AREA)
  • Discharging, Photosensitive Material Shape In Electrophotography (AREA)
EP92302768A 1991-04-01 1992-03-30 Process cartridge and image forming system with it Expired - Lifetime EP0507528B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP6848491 1991-04-01
JP68484/91 1991-04-01
JP62305/92 1992-03-18
JP06230592A JP3200139B2 (en) 1991-04-01 1992-03-18 Process cartridge and image forming apparatus mountable with the process cartridge

Publications (3)

Publication Number Publication Date
EP0507528A2 EP0507528A2 (en) 1992-10-07
EP0507528A3 true EP0507528A3 (en) 1993-03-17
EP0507528B1 EP0507528B1 (en) 1996-09-11

Family

ID=26403377

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92302768A Expired - Lifetime EP0507528B1 (en) 1991-04-01 1992-03-30 Process cartridge and image forming system with it

Country Status (4)

Country Link
EP (1) EP0507528B1 (en)
JP (1) JP3200139B2 (en)
DE (1) DE69213525T2 (en)
HK (1) HK121297A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05224476A (en) * 1991-12-20 1993-09-03 Canon Inc Process cartridge and image forming device capable of loading the same
JPH08272229A (en) * 1995-04-03 1996-10-18 Matsushita Electric Ind Co Ltd Electrophotographic device and intermediate transfer unit used therefor
EP1898274B1 (en) 2002-09-24 2011-04-20 Ricoh Company, Ltd. Image forming apparatus with an image bearing member unit having a protective shutter
JP2004170904A (en) 2002-11-08 2004-06-17 Ricoh Co Ltd Image carrier unit and image forming apparatus
US7039340B1 (en) * 2002-12-13 2006-05-02 Tonerhead, Inc. Universal drum cover for xerographic device cartridges
JP2006078840A (en) * 2004-09-10 2006-03-23 Fuji Xerox Co Ltd Worm gear unit and image forming apparatus
JP5091543B2 (en) * 2006-05-29 2012-12-05 京セラドキュメントソリューションズ株式会社 Detachable unit and image forming apparatus
JP5754578B2 (en) * 2010-03-08 2015-07-29 富士ゼロックス株式会社 Photosensitive unit of image forming apparatus

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3220538A1 (en) * 1981-06-02 1982-12-23 Canon K.K., Tokyo IMAGE GENERATION DEVICE
EP0389267A2 (en) * 1989-03-24 1990-09-26 Kabushiki Kaisha Toshiba Structure and method of mounting recording units in electrophotographic recording apparatus

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6286370A (en) * 1985-10-11 1987-04-20 Konishiroku Photo Ind Co Ltd Image recording device
EP0351894B1 (en) * 1986-05-28 1993-09-01 Mita Industrial Co., Ltd. Image-forming machine
GB8719545D0 (en) * 1987-08-19 1987-09-23 Xerox Corp Process unit

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3220538A1 (en) * 1981-06-02 1982-12-23 Canon K.K., Tokyo IMAGE GENERATION DEVICE
EP0389267A2 (en) * 1989-03-24 1990-09-26 Kabushiki Kaisha Toshiba Structure and method of mounting recording units in electrophotographic recording apparatus

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 11, no. 291 (P-618)19 September 1987 & JP-A-62 086 370 ( KONISHIROKU ) 20 April 1987 *

Also Published As

Publication number Publication date
EP0507528A2 (en) 1992-10-07
DE69213525D1 (en) 1996-10-17
JP3200139B2 (en) 2001-08-20
EP0507528B1 (en) 1996-09-11
JPH0580600A (en) 1993-04-02
DE69213525T2 (en) 1997-02-06
HK121297A (en) 1997-09-12

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