JP6083953B2 - 画像読取装置及び画像形成装置 - Google Patents

画像読取装置及び画像形成装置 Download PDF

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Publication number
JP6083953B2
JP6083953B2 JP2012124456A JP2012124456A JP6083953B2 JP 6083953 B2 JP6083953 B2 JP 6083953B2 JP 2012124456 A JP2012124456 A JP 2012124456A JP 2012124456 A JP2012124456 A JP 2012124456A JP 6083953 B2 JP6083953 B2 JP 6083953B2
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JP
Japan
Prior art keywords
sheet
roller
center
conveyance
image reading
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.)
Active
Application number
JP2012124456A
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English (en)
Japanese (ja)
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JP2013249163A5 (enExample
JP2013249163A (ja
Inventor
安達　成一郎
成一郎 安達
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 JP2012124456A priority Critical patent/JP6083953B2/ja
Priority to US13/896,615 priority patent/US8953230B2/en
Publication of JP2013249163A publication Critical patent/JP2013249163A/ja
Publication of JP2013249163A5 publication Critical patent/JP2013249163A5/ja
Application granted granted Critical
Publication of JP6083953B2 publication Critical patent/JP6083953B2/ja
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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/00567—Handling of original or reproduction media, e.g. cutting, separating, stacking
    • H04N1/0057—Conveying sheets before or after scanning
    • H04N1/00588—Conveying sheets before or after scanning to the scanning position
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H3/00—Separating articles from piles
    • B65H3/02—Separating articles from piles using friction forces between articles and separator
    • B65H3/06—Rollers or like rotary separators
    • B65H3/0684—Rollers or like rotary separators on moving support, e.g. pivoting, for bringing the roller or like rotary separator into contact with the pile
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H3/00—Separating articles from piles
    • B65H3/46—Supplementary devices or measures to assist separation or prevent double feed
    • B65H3/52—Friction retainers acting on under or rear side of article being separated
    • B65H3/5207—Non-driven retainers, e.g. movable retainers being moved by the motion of the article
    • B65H3/5215—Non-driven retainers, e.g. movable retainers being moved by the motion of the article the retainers positioned under articles separated from the top of the pile
    • B65H3/5223—Retainers of the pad-type, e.g. friction pads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H9/00—Registering, e.g. orientating, articles; Devices therefor
    • B65H9/004—Deskewing sheet by abutting against a stop, i.e. producing a buckling of the sheet
    • B65H9/006—Deskewing sheet by abutting against a stop, i.e. producing a buckling of the sheet the stop being formed by forwarding means in stand-by
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H9/00—Registering, e.g. orientating, articles; Devices therefor
    • B65H9/04—Fixed or adjustable stops or gauges
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/00567—Handling of original or reproduction media, e.g. cutting, separating, stacking
    • H04N1/0062—Removing sheets from a stack or inputting media
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/00567—Handling of original or reproduction media, e.g. cutting, separating, stacking
    • H04N1/00628—Separating, e.g. preventing feeding of two sheets at a time
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/00567—Handling of original or reproduction media, e.g. cutting, separating, stacking
    • H04N1/00631—Ejecting or stacking
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/00567—Handling of original or reproduction media, e.g. cutting, separating, stacking
    • H04N1/0066—Aligning or positioning related to handling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/00681—Detecting the presence, position or size of a sheet or correcting its position before scanning
    • H04N1/00785—Correcting the position of a sheet before scanning
    • H04N1/00793—Correcting the position of a sheet before scanning using paper feeding mechanism, e.g. operate drive rollers at different speeds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00—Parts for transporting or guiding the handled material
    • B65H2404/10—Rollers
    • B65H2404/13—Details of longitudinal profile
    • B65H2404/133—Limited number of active elements on common axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/11—Dimensional aspect of article or web
    • B65H2701/113—Size
    • B65H2701/1131—Size of sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2801/00—Application field
    • B65H2801/03—Image reproduction devices
    • B65H2801/06—Office-type machines, e.g. photocopiers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
    • H04N1/12—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using the sheet-feed movement or the medium-advance or the drum-rotation movement as the slow scanning component, e.g. arrangements for the main-scanning
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
    • H04N1/203—Simultaneous scanning of two or more separate pictures, e.g. two sides of the same sheet
    • H04N1/2032—Simultaneous scanning of two or more separate pictures, e.g. two sides of the same sheet of two pictures corresponding to two sides of a single medium
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/0077—Types of the still picture apparatus
    • H04N2201/0091—Digital copier; digital 'photocopier'

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Mechanical Engineering (AREA)
  • Registering Or Overturning Sheets (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
JP2012124456A 2012-05-31 2012-05-31 画像読取装置及び画像形成装置 Active JP6083953B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2012124456A JP6083953B2 (ja) 2012-05-31 2012-05-31 画像読取装置及び画像形成装置
US13/896,615 US8953230B2 (en) 2012-05-31 2013-05-17 Image reading apparatus and image forming apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2012124456A JP6083953B2 (ja) 2012-05-31 2012-05-31 画像読取装置及び画像形成装置

Publications (3)

Publication Number Publication Date
JP2013249163A JP2013249163A (ja) 2013-12-12
JP2013249163A5 JP2013249163A5 (enExample) 2015-07-16
JP6083953B2 true JP6083953B2 (ja) 2017-02-22

Family

ID=49669930

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2012124456A Active JP6083953B2 (ja) 2012-05-31 2012-05-31 画像読取装置及び画像形成装置

Country Status (2)

Country Link
US (1) US8953230B2 (enExample)
JP (1) JP6083953B2 (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6214605B2 (ja) 2015-09-07 2017-10-18 キヤノン株式会社 シート給送装置及びこれを備えた画像読取装置並びに画像形成装置
JP6314962B2 (ja) * 2015-11-24 2018-04-25 コニカミノルタ株式会社 両面画像読取装置および画像形成装置
JP6784605B2 (ja) * 2017-01-30 2020-11-11 キヤノン株式会社 画像読取装置および画像形成装置
JP7119894B2 (ja) * 2018-10-24 2022-08-17 セイコーエプソン株式会社 画像読取装置
JP7547139B2 (ja) * 2020-09-24 2024-09-09 シャープ株式会社 原稿送り装置及びそれを備えた画像形成装置
US12448238B2 (en) 2023-05-25 2025-10-21 Canon Kabushiki Kaisha Sheet feeding device

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06202416A (ja) 1992-12-28 1994-07-22 Canon Inc 画像形成装置
JP3105412B2 (ja) 1994-11-11 2000-10-30 キヤノン株式会社 シート後処理装置及びこれを備える画像形成装置
JP3478720B2 (ja) 1997-12-27 2003-12-15 キヤノンファインテック株式会社 シート束折り装置及びシート処理装置
JP2000118744A (ja) 1998-10-15 2000-04-25 Canon Inc シート材自動搬送装置及びこれを備える画像形成装置
JP3792468B2 (ja) * 2000-02-21 2006-07-05 株式会社リコー 給紙装置、これを具備したシート搬送装置、画像読取装置、並びに画像形成装置
JP2004352402A (ja) * 2003-05-27 2004-12-16 Sharp Corp シート搬送装置、画像読取装置および画像形成装置
JP2006213490A (ja) 2005-02-04 2006-08-17 Canon Inc シート給送装置及び画像形成装置
JP4653012B2 (ja) * 2006-05-08 2011-03-16 ニスカ株式会社 給紙装置及びこれを備えた原稿給送装置並びに画像読取装置
JP2009192938A (ja) 2008-02-15 2009-08-27 Canon Inc 画像形成装置
JP2012056718A (ja) * 2010-09-09 2012-03-22 Ricoh Co Ltd スキュー補正手段を備えた原稿搬送装置

Also Published As

Publication number Publication date
JP2013249163A (ja) 2013-12-12
US8953230B2 (en) 2015-02-10
US20130321885A1 (en) 2013-12-05

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