CA2040016A1 - Transfer apparatus providing improved transfer material guidance along a feed path to an electrophotographic image carrier - Google Patents

Transfer apparatus providing improved transfer material guidance along a feed path to an electrophotographic image carrier

Info

Publication number
CA2040016A1
CA2040016A1 CA2040016A CA2040016A CA2040016A1 CA 2040016 A1 CA2040016 A1 CA 2040016A1 CA 2040016 A CA2040016 A CA 2040016A CA 2040016 A CA2040016 A CA 2040016A CA 2040016 A1 CA2040016 A1 CA 2040016A1
Authority
CA
Canada
Prior art keywords
paper
image carrier
feed path
electrophotographic image
transfer apparatus
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
CA2040016A
Other languages
French (fr)
Other versions
CA2040016C (en
Inventor
Hiromitsu Koizumi
Yukinori Sezaki
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.)
Fujifilm Business Innovation Corp
Original Assignee
Fuji Xerox 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 Fuji Xerox Co Ltd filed Critical Fuji Xerox Co Ltd
Publication of CA2040016A1 publication Critical patent/CA2040016A1/en
Application granted granted Critical
Publication of CA2040016C publication Critical patent/CA2040016C/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G03G15/65—Apparatus which relate to the handling of copy material
    • G03G15/6555—Handling of sheet copy material taking place in a specific part of the copy material feeding path
    • G03G15/6558—Feeding path after the copy sheet preparation and up to the transfer point, e.g. registering; Deskewing; Correct timing of sheet feeding to the transfer point
    • 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
    • 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
    • G03G15/16—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern, e.g. magnetic transfer
    • G03G15/163—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern, e.g. magnetic transfer using the force produced by an electrostatic transfer field formed between the second base and the electrographic recording member, e.g. transfer through an air gap
    • G03G15/1635—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern, e.g. magnetic transfer using the force produced by an electrostatic transfer field formed between the second base and the electrographic recording member, e.g. transfer through an air gap the field being produced by laying down an electrostatic charge behind the base or the recording member, e.g. by a corona device
    • G03G15/165—Arrangements for supporting or transporting the second base in the transfer area, e.g. guides
    • 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
    • G03G15/16—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern, e.g. magnetic transfer
    • G03G15/1665—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern, e.g. magnetic transfer by introducing the second base in the nip formed by the recording member and at least one transfer member, e.g. in combination with bias or heat
    • 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
    • G03G2215/00362—Apparatus for electrophotographic processes relating to the copy medium handling
    • G03G2215/00367—The feeding path segment where particular handling of the copy medium occurs, segments being adjacent and non-overlapping. Each segment is identified by the most downstream point in the segment, so that for instance the segment labelled "Fixing device" is referring to the path between the "Transfer device" and the "Fixing device"
    • G03G2215/00409—Transfer device
    • 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
    • G03G2215/00362—Apparatus for electrophotographic processes relating to the copy medium handling
    • G03G2215/00535—Stable handling of copy medium
    • G03G2215/00649—Electrodes close to the copy feeding path
    • 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
    • G03G2215/00362—Apparatus for electrophotographic processes relating to the copy medium handling
    • G03G2215/00535—Stable handling of copy medium
    • G03G2215/00675—Mechanical copy medium guiding means, e.g. mechanical switch

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electrostatic Charge, Transfer And Separation In Electrography (AREA)
  • Paper Feeding For Electrophotography (AREA)
  • Control Or Security For Electrophotography (AREA)

Abstract

A transfer apparatus including a photoreceptor drum having a transfer position, feeding rollers for feeding out a sheet of paper upward obliquely, and a guide member provided between the feeding rollers and the photoreceptor drum and having a guide surface on a lower surface thereof to guide the paper to the transfer position along the guide surface. In the transfer apparatus, the structure is simplified since the paper is guided by the single guide member. Moreover, the feeding of the paper can be performed smoothly, since frictional resistance is produced only on one side of the paper. In addition, the guide surface is formed on the lower surface of the guide member, so that the paper can be supplied to the transfer position of the photoreceptor drum stably.
CA002040016A 1990-04-20 1991-04-08 Transfer apparatus providing improved transfer material guidance along a feed path to an electrophotographic image carrier Expired - Fee Related CA2040016C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2-103035 1990-04-20
JP2103035A JPH043085A (en) 1990-04-20 1990-04-20 Transferring device

Publications (2)

Publication Number Publication Date
CA2040016A1 true CA2040016A1 (en) 1991-10-21
CA2040016C CA2040016C (en) 1999-02-02

Family

ID=14343407

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002040016A Expired - Fee Related CA2040016C (en) 1990-04-20 1991-04-08 Transfer apparatus providing improved transfer material guidance along a feed path to an electrophotographic image carrier

Country Status (5)

Country Link
EP (1) EP0452795B1 (en)
JP (1) JPH043085A (en)
KR (1) KR940002850B1 (en)
CA (1) CA2040016C (en)
DE (1) DE69102728T2 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2798868B2 (en) * 1992-11-26 1998-09-17 三田工業株式会社 Transfer device
JP5886134B2 (en) 2012-05-25 2016-03-16 ヘンケルジャパン株式会社 Polymer composition
JP2014095835A (en) * 2012-11-09 2014-05-22 Toshiba Corp Image forming apparatus
JP6326975B2 (en) * 2014-05-28 2018-05-23 株式会社リコー Developing device and image forming apparatus

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56113177A (en) * 1980-02-14 1981-09-05 Canon Inc Guide mechanism of transfer member
JPS59149378A (en) * 1983-02-15 1984-08-27 Sharp Corp Form carrying device
JPS60169871A (en) * 1984-02-14 1985-09-03 Canon Inc image forming device
JPH0830922B2 (en) * 1987-09-26 1996-03-27 三田工業株式会社 Pre-transfer guide device for image forming apparatus

Also Published As

Publication number Publication date
EP0452795B1 (en) 1994-07-06
DE69102728D1 (en) 1994-08-11
DE69102728T2 (en) 1994-10-27
EP0452795A2 (en) 1991-10-23
EP0452795A3 (en) 1992-11-19
CA2040016C (en) 1999-02-02
JPH043085A (en) 1992-01-08
KR910018866A (en) 1991-11-30
KR940002850B1 (en) 1994-04-04

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed