US3883242A - Electronic photographic copying machine - Google Patents

Electronic photographic copying machine Download PDF

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Publication number
US3883242A
US3883242A US381399A US38139973A US3883242A US 3883242 A US3883242 A US 3883242A US 381399 A US381399 A US 381399A US 38139973 A US38139973 A US 38139973A US 3883242 A US3883242 A US 3883242A
Authority
US
United States
Prior art keywords
photosensitive member
machine
copying machine
body portion
main body
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
US381399A
Inventor
Isao Takahashi
Motoharu Fujii
Kazuo Kawakubo
Masao Ariga
Susumu Sugiura
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
Priority to US381399A priority Critical patent/US3883242A/en
Application granted granted Critical
Publication of US3883242A publication Critical patent/US3883242A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • G03G21/1814—Details of parts of process cartridge, e.g. for charging, transfer, cleaning, developing
    • 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
    • G03G15/0822—Arrangements for preparing, mixing, supplying or dispensing developer
    • G03G15/0865—Arrangements for supplying new developer
    • G03G15/0867—Arrangements for supplying new developer cylindrical developer cartridges, e.g. toner bottles for the developer replenishing opening
    • 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
    • G03G15/22—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20
    • G03G15/28—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20 in which projection is obtained by line scanning
    • G03G15/30—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20 in which projection is obtained by line scanning in which projection is formed on a drum
    • 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
    • G03G21/1604—Arrangement or disposition of the entire apparatus
    • G03G21/1623—Means to access the interior of the apparatus
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00—Apparatus for electrophotographic processes
    • G03G2215/06—Developing structures, details
    • G03G2215/066—Toner cartridge or other attachable and detachable container for supplying developer material to replace the used material
    • G03G2215/0663—Toner cartridge or other attachable and detachable container for supplying developer material to replace the used material having a longitudinal rotational axis, around which at least one part is rotated when mounting or using the cartridge
    • G03G2215/0673—Generally vertically mounting of said toner cartridge parallel to its longitudinal rotational axis
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00—Apparatus for electrophotographic processes
    • G03G2215/06—Developing structures, details
    • G03G2215/066—Toner cartridge or other attachable and detachable container for supplying developer material to replace the used material
    • G03G2215/0663—Toner cartridge or other attachable and detachable container for supplying developer material to replace the used material having a longitudinal rotational axis, around which at least one part is rotated when mounting or using the cartridge
    • G03G2215/0678—Bottle shaped container having a bottle neck for toner discharge
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00—Apparatus for electrophotographic processes
    • G03G2215/06—Developing structures, details
    • G03G2215/066—Toner cartridge or other attachable and detachable container for supplying developer material to replace the used material
    • G03G2215/0685—Toner cartridge or other attachable and detachable container for supplying developer material to replace the used material fulfilling a continuous function within the electrographic apparatus during the use of the supplied developer material, e.g. toner discharge on demand, storing residual toner, not acting as a passive closure for the developer replenishing opening
    • 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
    • G03G2221/163—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts for the developer unit
    • 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
    • G03G2221/1672—Paper handling
    • G03G2221/1675—Paper handling jam treatment
    • 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
    • G03G2221/1678—Frame structures
    • G03G2221/1687—Frame structures using opening shell type machines, e.g. pivoting assemblies

Definitions

  • An ele ctrophotographic copying machine including a 2 ⁇ S N H 276 D 23 971 repetitively usable photosensitive member removably [6 Dwlslono mounted in the machine and having a plurality of image processing elements including an image transfer [30] Forelgn Apphcauon Prmnty Dam device disposed around the photosensitive member Japan
  • the photosensitive member is mounted within a first body portion of the machine, while the transfer device [52] U.S.

Abstract

An electrophotographic copying machine including a repetitively usable photosensitive member removably mounted in the machine and having a plurality of image processing elements including an image transfer device disposed around the photosensitive member. The photosensitive member is mounted within a first body portion of the machine, while the transfer device is mounted in a removable second body portion of the machine, whereby the photosensitive member is accessible for removal when the two body portions are separated.

Description

United States Patent Takahashi et al.
[451 May 13, 1975 [54] ELECTRONIC PHOTOGRAPHIC COPYING 3.490342 1/1970 Reick et a1 355/10 3.575506 4/1971 Knechtel r. 355/16 MACHINE 3,600,082 8/l97l Knechtel r r r i r 355/8 [75] Inventors: lsao T ka hi. Yokohama; 1604,79? 9/1971 Szczesniak 355/16 Motoharu Fujii, Tokyo; Kazuo 1770.345 11/1973 Kawakubo et a1. 355/] R Kawakubo, Tokyo: Masao Ariga. T r t Y; Li 3 i:i guglura 1 O PI'HHUI Exammcr]hn M. Horan Allurnry. Agent. or FirmFitzpatrick, Cella. Harper {73] Assignee: Canon Kabushiki Kaisha. Tokyo, & s im Japan [22] Filed: July 23, I973 [57] ABSTRACT [2]] Appl. No.; 381,399
Related US. Application Data An ele ctrophotographic copying machine including a 2 {S N H 276 D 23 971 repetitively usable photosensitive member removably [6 Dwlslono mounted in the machine and having a plurality of image processing elements including an image transfer [30] Forelgn Apphcauon Prmnty Dam device disposed around the photosensitive member Japan The photosensitive member is mounted within a first body portion of the machine, while the transfer device [52] U.S. Cl .i 355/3 R is mounted i a removaue Second body portion f the H 1 Cl 8 /00 machine, whereby the photosensitive member is ac- [58] new of Search 355/3 14 cessible for removal when the two body portions are separated. [56] References Cited UNITED STATES PATENTS 1 Claim, Drawing Figures 3,088,386 S/l963 Sugarman 355/ll 7 85 86 a 83 5 O O I 46 98 97 8481 8 94 78 P 79 O z 7 -96 ll 37 I2 0 38 2 9 L 9 921 92 39 4 4F I I 4 i7 1\ t (.JENTEJWIWQE} 3.883.242
saw mar 19 mama MY 1 W5 SHEET [JJJF 1;
FIG. 8
FIG. 6
PATENTEB rm 1 ms SHEET 68 HF 19 FIG. ll
FQTENTEB MY r EISTS SHEET USUF 19 PHENTEB MAY 1 31975 SHEET NW 19 FIG. l3
PATENTED W1 3 5 lHUF 15 SHEET IATENTEB MAN 3 i975 SHEET 150F19

Claims (1)

1. An electrophotographic copying machine comprising a repetitively usable electrophotographic photosensitive member; a group of elements including an electrostatic latent image forming means, developing means, transferring means and cleaning means, said elements being disposed sequentially around said photosensitive member, and said developing means and cleaning means being contactable with said photosensitive member; transfer material feeding means; fixing means; a lower main body portion for supporting said photosensitive member, electrostatic latent image forming means, developing means and cleaning means; and an upper main body portion for supporting said transferring means and said fixing means wherein, upon separation of said lower and upper main body portions, said photosensitive member and a path for the transfer material are accessible.
US381399A 1970-12-29 1973-07-23 Electronic photographic copying machine Expired - Lifetime US3883242A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US381399A US3883242A (en) 1970-12-29 1973-07-23 Electronic photographic copying machine

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP12721270 1970-12-29
US21127671A 1971-12-23 1971-12-23
US381399A US3883242A (en) 1970-12-29 1973-07-23 Electronic photographic copying machine

Publications (1)

Publication Number Publication Date
US3883242A true US3883242A (en) 1975-05-13

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
US381399A Expired - Lifetime US3883242A (en) 1970-12-29 1973-07-23 Electronic photographic copying machine

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Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3966316A (en) * 1974-07-27 1976-06-29 Agfa-Gevaert, A.G. Electrostatic copying machine with removable copying drum
US3998548A (en) * 1974-08-14 1976-12-21 Fuji Xerox Co., Ltd. Sensitive drum receiving device for use in electrophotographic reproducing machine
US4030824A (en) * 1975-11-03 1977-06-21 Xerox Corporation Reproducing apparatus having an improved imaging surface cleaning system
US4039257A (en) * 1974-07-25 1977-08-02 Xerox Corporation Pretransfer corotron switching
US4165069A (en) * 1977-08-01 1979-08-21 International Business Machines Corporation Copier having removable paper feed module
US4185907A (en) * 1977-04-19 1980-01-29 Siemens Aktiengesellschaft Support assembly for components of electrostatic copiers
US4271784A (en) * 1978-09-09 1981-06-09 Olympus Optical Co., Ltd. Apparatus for discharging a fatigued developing agent in a magnetic brush developing device
US4277164A (en) * 1978-07-14 1981-07-07 Olympia Werke Ag Photocopier photoconductive sheet holding device
US4462677A (en) * 1981-06-22 1984-07-31 Canon Kabushiki Kaisha Image formation apparatus using a process unit with a protective cover
US4470689A (en) * 1981-06-02 1984-09-11 Canon Kabushiki Kaisha Image forming apparatus and process unit
WO1984003972A1 (en) * 1983-11-03 1984-10-11 Mercante International A/S An electrophotographic information printer
EP0163486A2 (en) * 1984-05-25 1985-12-04 Xerox Corporation Removable processing cartridge for electrostatographic reproducing apparatus
US4605215A (en) * 1983-11-03 1986-08-12 Mercante International A/S Processing station for an electrophotographic information printer
GB2197258A (en) * 1986-09-05 1988-05-18 Ricoh Kk Electrostatic recording apparatus
US5051778A (en) * 1988-12-22 1991-09-24 Shindengen Electric Manufacturing Co., Ltd. Electrophotographic copying machine which integrates components having substantially equal service lives into respective detachable units formed of a developing unit, a photoreceptor unit and a toner cartridge unit
US5073795A (en) * 1989-06-30 1991-12-17 Ricoh Company, Ltd. Electrophotography type image forming apparatus having improved exchanging kit
US5169141A (en) * 1991-09-06 1992-12-08 Xerox Corporation Floating transfer module mounting
US5210576A (en) * 1988-11-25 1993-05-11 Konica Corporation Image forming apparatus having a first mode for forming a multicolor image of restricted length and a second mode for forming a monocolor image of unrestricted length
EP0602016A2 (en) * 1989-05-09 1994-06-15 Konica Corporation Color image forming apparatus
US6144823A (en) * 1998-05-22 2000-11-07 Canon Kabushiki Kaisha Image processing apparatus having a reading apparatus
US6343137B1 (en) * 1985-08-05 2002-01-29 Canon Kabushiki Kaisha Method of processing an image such as a still image

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3088386A (en) * 1959-11-16 1963-05-07 American Photocopy Equip Co Electrophotographic photocopy machine
US3490842A (en) * 1966-10-18 1970-01-20 Sunbeam Business Equipment Co Electrophotostatic copying machine
US3575506A (en) * 1967-11-24 1971-04-20 Singer Co Copying apparatus
US3600082A (en) * 1969-04-30 1971-08-17 Singer Co Copying apparatus
US3604797A (en) * 1969-01-21 1971-09-14 Addressograph Multigraph Photoelectrostatic duplicator
US3770345A (en) * 1969-03-21 1973-11-06 Canon Kk Electrophotographic copying apparatus

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3088386A (en) * 1959-11-16 1963-05-07 American Photocopy Equip Co Electrophotographic photocopy machine
US3490842A (en) * 1966-10-18 1970-01-20 Sunbeam Business Equipment Co Electrophotostatic copying machine
US3575506A (en) * 1967-11-24 1971-04-20 Singer Co Copying apparatus
US3604797A (en) * 1969-01-21 1971-09-14 Addressograph Multigraph Photoelectrostatic duplicator
US3770345A (en) * 1969-03-21 1973-11-06 Canon Kk Electrophotographic copying apparatus
US3600082A (en) * 1969-04-30 1971-08-17 Singer Co Copying apparatus

Cited By (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4039257A (en) * 1974-07-25 1977-08-02 Xerox Corporation Pretransfer corotron switching
US3966316A (en) * 1974-07-27 1976-06-29 Agfa-Gevaert, A.G. Electrostatic copying machine with removable copying drum
US3998548A (en) * 1974-08-14 1976-12-21 Fuji Xerox Co., Ltd. Sensitive drum receiving device for use in electrophotographic reproducing machine
US4030824A (en) * 1975-11-03 1977-06-21 Xerox Corporation Reproducing apparatus having an improved imaging surface cleaning system
US4185907A (en) * 1977-04-19 1980-01-29 Siemens Aktiengesellschaft Support assembly for components of electrostatic copiers
US4165069A (en) * 1977-08-01 1979-08-21 International Business Machines Corporation Copier having removable paper feed module
US4277164A (en) * 1978-07-14 1981-07-07 Olympia Werke Ag Photocopier photoconductive sheet holding device
US4271784A (en) * 1978-09-09 1981-06-09 Olympus Optical Co., Ltd. Apparatus for discharging a fatigued developing agent in a magnetic brush developing device
US4470689A (en) * 1981-06-02 1984-09-11 Canon Kabushiki Kaisha Image forming apparatus and process unit
US4462677A (en) * 1981-06-22 1984-07-31 Canon Kabushiki Kaisha Image formation apparatus using a process unit with a protective cover
US4569582A (en) * 1983-11-03 1986-02-11 Mercante International A/S Processing stations for an electrophotographic information printer
WO1984003972A1 (en) * 1983-11-03 1984-10-11 Mercante International A/S An electrophotographic information printer
US4605215A (en) * 1983-11-03 1986-08-12 Mercante International A/S Processing station for an electrophotographic information printer
US4798373A (en) * 1983-11-03 1989-01-17 Mercante International A/S Af 1986 Sheet feeding device for use in an electrophotographic information printer
EP0163486A2 (en) * 1984-05-25 1985-12-04 Xerox Corporation Removable processing cartridge for electrostatographic reproducing apparatus
EP0163486A3 (en) * 1984-05-25 1986-08-27 Xerox Corporation Removable processing cartridge for electrostatographic reproducing apparatus
US6343137B1 (en) * 1985-08-05 2002-01-29 Canon Kabushiki Kaisha Method of processing an image such as a still image
GB2197258B (en) * 1986-09-05 1991-05-22 Ricoh Kk Electrostatic recording apparatus
GB2197258A (en) * 1986-09-05 1988-05-18 Ricoh Kk Electrostatic recording apparatus
US5210576A (en) * 1988-11-25 1993-05-11 Konica Corporation Image forming apparatus having a first mode for forming a multicolor image of restricted length and a second mode for forming a monocolor image of unrestricted length
US5051778A (en) * 1988-12-22 1991-09-24 Shindengen Electric Manufacturing Co., Ltd. Electrophotographic copying machine which integrates components having substantially equal service lives into respective detachable units formed of a developing unit, a photoreceptor unit and a toner cartridge unit
EP0602016A2 (en) * 1989-05-09 1994-06-15 Konica Corporation Color image forming apparatus
EP0602016A3 (en) * 1989-05-09 1995-05-10 Konishiroku Photo Ind Color image forming apparatus.
US5073795A (en) * 1989-06-30 1991-12-17 Ricoh Company, Ltd. Electrophotography type image forming apparatus having improved exchanging kit
US5169141A (en) * 1991-09-06 1992-12-08 Xerox Corporation Floating transfer module mounting
US6144823A (en) * 1998-05-22 2000-11-07 Canon Kabushiki Kaisha Image processing apparatus having a reading apparatus

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