US3827800A - Apparatus for transferring electrostatic latent images in electrophotographic copiers of image transfer type - Google Patents

Apparatus for transferring electrostatic latent images in electrophotographic copiers of image transfer type Download PDF

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Publication number
US3827800A
US3827800A US00338784A US33878473A US3827800A US 3827800 A US3827800 A US 3827800A US 00338784 A US00338784 A US 00338784A US 33878473 A US33878473 A US 33878473A US 3827800 A US3827800 A US 3827800A
Authority
US
United States
Prior art keywords
photosensitive element
transfer roller
receptor
transfer
paper
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
US00338784A
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English (en)
Inventor
T Fujiwara
S Tanaka
Y Enoguchi
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.)
Minolta Co Ltd
Original Assignee
Minolta 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 Minolta Co Ltd filed Critical Minolta Co Ltd
Application granted granted Critical
Publication of US3827800A publication Critical patent/US3827800A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • 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
    • G03G15/14—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base
    • G03G15/18—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a charge pattern

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electrostatic Charge, Transfer And Separation In Electrography (AREA)
US00338784A 1972-03-15 1973-03-07 Apparatus for transferring electrostatic latent images in electrophotographic copiers of image transfer type Expired - Lifetime US3827800A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2676072A JPS547215B2 (fr) 1972-03-15 1972-03-15

Publications (1)

Publication Number Publication Date
US3827800A true US3827800A (en) 1974-08-06

Family

ID=12202224

Family Applications (1)

Application Number Title Priority Date Filing Date
US00338784A Expired - Lifetime US3827800A (en) 1972-03-15 1973-03-07 Apparatus for transferring electrostatic latent images in electrophotographic copiers of image transfer type

Country Status (3)

Country Link
US (1) US3827800A (fr)
JP (1) JPS547215B2 (fr)
DE (1) DE2312393C3 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3924943A (en) * 1974-06-11 1975-12-09 Xerox Corp Segmented biased transfer member
US4260236A (en) * 1978-04-18 1981-04-07 Olympus Optical Co., Ltd. Electrophotographic apparatus
US5070366A (en) * 1989-03-10 1991-12-03 Canon Kabushiki Kaisha Image forming apparatus featuring a constant contact-pressure drive
US5303013A (en) * 1991-03-18 1994-04-12 Fujitsu Limited Color picture image formation device for developing latent image formed on a photosensitive body
US5638161A (en) * 1992-09-04 1997-06-10 Canon Kabushiki Kaisha Process cartridge, method for assembling process cartridge and image forming apparatus
US5640649A (en) * 1987-03-31 1997-06-17 Canon Kabushiki Kaisha Image forming apparatus with detachably mounted cartridge and image light path formed upon attachment
US11474459B2 (en) * 2020-10-12 2022-10-18 Fujifilm Business Innovation Corp. Transfer device and image forming apparatus

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4281623A (en) * 1977-04-01 1981-08-04 Sharp Kabushiki Kaisha Sheet stripping members for fixing device for fixing images of an original document on sheets of copy materials

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2863063A (en) * 1955-11-21 1958-12-02 Bruning Charles Co Inc Charging of photo-conductive insulating material
US3309198A (en) * 1965-09-30 1967-03-14 Jean J A Robillard Positive to positive reproduction process and copy sheet for use therein
US3630608A (en) * 1968-11-14 1971-12-28 Pitney Bowes Sage Inc High-speed copier
US3653891A (en) * 1969-12-31 1972-04-04 Xerox Corp Forms overlay technique using tesi
US3666458A (en) * 1968-11-25 1972-05-30 Kalle Ag Process for transferring electrostatic charge images

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2909971A (en) * 1954-03-29 1959-10-27 Ibm Printing machine
US3109355A (en) * 1959-04-03 1963-11-05 Ritzerfeld Wilhelm Xerographic duplicator

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2863063A (en) * 1955-11-21 1958-12-02 Bruning Charles Co Inc Charging of photo-conductive insulating material
US3309198A (en) * 1965-09-30 1967-03-14 Jean J A Robillard Positive to positive reproduction process and copy sheet for use therein
US3630608A (en) * 1968-11-14 1971-12-28 Pitney Bowes Sage Inc High-speed copier
US3666458A (en) * 1968-11-25 1972-05-30 Kalle Ag Process for transferring electrostatic charge images
US3653891A (en) * 1969-12-31 1972-04-04 Xerox Corp Forms overlay technique using tesi

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Oldeboom, Electromechanical Transfer Mechanism, IBM Technical Disclosure Bulletin, Vol. 1, No. 3, pp. 4 & 5. *

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3924943A (en) * 1974-06-11 1975-12-09 Xerox Corp Segmented biased transfer member
US4260236A (en) * 1978-04-18 1981-04-07 Olympus Optical Co., Ltd. Electrophotographic apparatus
US5640649A (en) * 1987-03-31 1997-06-17 Canon Kabushiki Kaisha Image forming apparatus with detachably mounted cartridge and image light path formed upon attachment
US5875374A (en) * 1987-03-31 1999-02-23 Canon Kabushiki Kaisha Image forming apparatus with detachable process cartridge
US5070366A (en) * 1989-03-10 1991-12-03 Canon Kabushiki Kaisha Image forming apparatus featuring a constant contact-pressure drive
US5303013A (en) * 1991-03-18 1994-04-12 Fujitsu Limited Color picture image formation device for developing latent image formed on a photosensitive body
US5638161A (en) * 1992-09-04 1997-06-10 Canon Kabushiki Kaisha Process cartridge, method for assembling process cartridge and image forming apparatus
US5953560A (en) * 1992-09-04 1999-09-14 Canon Kabushiki Kaisha Process cartridge, method for assembling process cartridge and image forming apparatus
US11474459B2 (en) * 2020-10-12 2022-10-18 Fujifilm Business Innovation Corp. Transfer device and image forming apparatus

Also Published As

Publication number Publication date
JPS547215B2 (fr) 1979-04-05
DE2312393A1 (de) 1973-09-20
DE2312393B2 (de) 1978-06-15
DE2312393C3 (de) 1979-02-08
JPS4895241A (fr) 1973-12-06

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