JP7094724B2 - シート給送装置及び画像形成装置 - Google Patents

シート給送装置及び画像形成装置 Download PDF

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Publication number
JP7094724B2
JP7094724B2 JP2018036884A JP2018036884A JP7094724B2 JP 7094724 B2 JP7094724 B2 JP 7094724B2 JP 2018036884 A JP2018036884 A JP 2018036884A JP 2018036884 A JP2018036884 A JP 2018036884A JP 7094724 B2 JP7094724 B2 JP 7094724B2
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JP
Japan
Prior art keywords
roller
sheet
feeding
outer peripheral
separation roller
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
JP2018036884A
Other languages
English (en)
Japanese (ja)
Other versions
JP2019151448A5 (enExample
JP2019151448A (ja
Inventor
義直 千葉
航 村田
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 JP2018036884A priority Critical patent/JP7094724B2/ja
Priority to US16/270,770 priority patent/US10723575B2/en
Priority to CN201910139436.1A priority patent/CN110217621B/zh
Publication of JP2019151448A publication Critical patent/JP2019151448A/ja
Publication of JP2019151448A5 publication Critical patent/JP2019151448A5/ja
Application granted granted Critical
Publication of JP7094724B2 publication Critical patent/JP7094724B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H3/00Separating articles from piles
    • B65H3/02Separating articles from piles using friction forces between articles and separator
    • B65H3/06Rollers or like rotary separators
    • B65H3/0638Construction of the rollers or like rotary separators
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H1/00Supports or magazines for piles from which articles are to be separated
    • B65H1/08Supports or magazines for piles from which articles are to be separated with means for advancing the articles to present the articles to the separating device
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H3/00Separating articles from piles
    • B65H3/02Separating articles from piles using friction forces between articles and separator
    • B65H3/06Rollers or like rotary separators
    • B65H3/0676Rollers or like rotary separators with two or more separator rollers in the feeding direction
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H3/00Separating articles from piles
    • B65H3/02Separating articles from piles using friction forces between articles and separator
    • B65H3/06Rollers or like rotary separators
    • B65H3/0684Rollers or like rotary separators on moving support, e.g. pivoting, for bringing the roller or like rotary separator into contact with the pile
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H3/00Separating articles from piles
    • B65H3/46Supplementary devices or measures to assist separation or prevent double feed
    • B65H3/52Friction retainers acting on under or rear side of article being separated
    • B65H3/5207Non-driven retainers, e.g. movable retainers being moved by the motion of the article
    • B65H3/5215Non-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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H3/00Separating articles from piles
    • B65H3/46Supplementary devices or measures to assist separation or prevent double feed
    • B65H3/52Friction retainers acting on under or rear side of article being separated
    • B65H3/5246Driven retainers, i.e. the motion thereof being provided by a dedicated drive
    • B65H3/5253Driven retainers, i.e. the motion thereof being provided by a dedicated drive the retainers positioned under articles separated from the top of the pile
    • B65H3/5261Retainers of the roller type, e.g. rollers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00Parts for transporting or guiding the handled material
    • B65H2404/10Rollers
    • B65H2404/13Details of longitudinal profile
    • B65H2404/131Details of longitudinal profile shape
    • B65H2404/1316Details of longitudinal profile shape stepped or grooved
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00Parts for transporting or guiding the handled material
    • B65H2404/10Rollers
    • B65H2404/13Details of longitudinal profile
    • B65H2404/131Details of longitudinal profile shape
    • B65H2404/1317End profile
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00Parts for transporting or guiding the handled material
    • B65H2404/10Rollers
    • B65H2404/13Details of longitudinal profile
    • B65H2404/132Details of longitudinal profile arrangement of segments along axis
    • B65H2404/1321Segments juxtaposed along axis
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00Parts for transporting or guiding the handled material
    • B65H2404/10Rollers
    • B65H2404/15Roller assembly, particular roller arrangement
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00Parts for transporting or guiding the handled material
    • B65H2404/10Rollers
    • B65H2404/19Other features of rollers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2601/00Problem to be solved or advantage achieved
    • B65H2601/10Ensuring correct operation
    • B65H2601/12Compensating; Taking-up
    • B65H2601/121Wear
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2801/00Application field
    • B65H2801/03Image reproduction devices
    • B65H2801/06Office-type machines, e.g. photocopiers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2801/00Application field
    • B65H2801/03Image reproduction devices
    • B65H2801/09Single-function copy machines
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2801/00Application field
    • B65H2801/03Image reproduction devices
    • B65H2801/12Single-function printing machines, typically table-top machines

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
  • Paper Feeding For Electrophotography (AREA)
JP2018036884A 2018-03-01 2018-03-01 シート給送装置及び画像形成装置 Active JP7094724B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2018036884A JP7094724B2 (ja) 2018-03-01 2018-03-01 シート給送装置及び画像形成装置
US16/270,770 US10723575B2 (en) 2018-03-01 2019-02-08 Separation roller, sheet feeding apparatus, and image forming apparatus
CN201910139436.1A CN110217621B (zh) 2018-03-01 2019-02-26 分离辊、片材进给设备、和成像设备

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2018036884A JP7094724B2 (ja) 2018-03-01 2018-03-01 シート給送装置及び画像形成装置

Publications (3)

Publication Number Publication Date
JP2019151448A JP2019151448A (ja) 2019-09-12
JP2019151448A5 JP2019151448A5 (enExample) 2021-03-18
JP7094724B2 true JP7094724B2 (ja) 2022-07-04

Family

ID=67767954

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2018036884A Active JP7094724B2 (ja) 2018-03-01 2018-03-01 シート給送装置及び画像形成装置

Country Status (3)

Country Link
US (1) US10723575B2 (enExample)
JP (1) JP7094724B2 (enExample)
CN (1) CN110217621B (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7566605B2 (ja) 2020-12-10 2024-10-15 キヤノン株式会社 シート給送装置、画像形成装置、画像読取装置
JP2022110457A (ja) 2021-01-18 2022-07-29 キヤノン株式会社 シート搬送装置及び画像形成装置
JP2024083737A (ja) * 2022-12-12 2024-06-24 理想科学工業株式会社 シート搬送用のローラ対および印刷装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000264454A (ja) 1999-03-18 2000-09-26 Canon Inc 給紙装置
US20090322017A1 (en) 2008-06-30 2009-12-31 Kevin Bokelman Torque limiter and sheet separating device having a torque limiter

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04313548A (ja) 1991-04-10 1992-11-05 Canon Inc シート搬送装置
JPH0859005A (ja) * 1993-10-28 1996-03-05 Ricoh Co Ltd 給紙分離装置
JPH0952638A (ja) * 1995-08-14 1997-02-25 Ricoh Co Ltd 自動給紙装置
JP2931557B2 (ja) * 1996-01-24 1999-08-09 エヌティエヌ株式会社 画像形成装置のシート搬送用転動体
JP4395085B2 (ja) * 2005-02-07 2010-01-06 株式会社Pfu シート給送装置
EP2149523B1 (en) * 2008-07-30 2012-01-04 Ricoh Company, Ltd. Feed device, and image reader and image forming apparatus incorporating the same
JP2012091894A (ja) * 2010-10-25 2012-05-17 Fuji Xerox Co Ltd 排出機構および画像形成装置
JP5538446B2 (ja) * 2012-01-19 2014-07-02 京セラドキュメントソリューションズ株式会社 シート排出装置並びにそれを備えた画像形成装置及び後処理装置
JP5979905B2 (ja) 2012-02-23 2016-08-31 キヤノン株式会社 シート給送装置及び画像形成装置
JP6194169B2 (ja) * 2012-12-20 2017-09-06 株式会社Pfu 搬送装置の給送ローラ
JP5950977B2 (ja) 2013-10-31 2016-07-13 キヤノン株式会社 画像形成装置
KR101628313B1 (ko) * 2014-05-15 2016-06-21 이재영 복사기 카세트 급지역전롤러의 개선된 동작구조
CN105314415B (zh) * 2014-07-30 2017-03-15 柯尼卡美能达办公系统研发(无锡)有限公司 供纸装置、图像成形装置
US10155634B2 (en) 2015-05-29 2018-12-18 Canon Kabushiki Kaisha Sheet feeding apparatus, image reading apparatus, and image forming apparatus
US10543996B2 (en) 2017-04-19 2020-01-28 Canon Kabushiki Kaisha Sheet feeding apparatus and image forming apparatus
JP6971697B2 (ja) 2017-08-07 2021-11-24 キヤノン株式会社 シート給送装置及び画像形成装置
JP7005234B2 (ja) 2017-08-31 2022-01-21 キヤノン株式会社 シート給送装置及び画像形成装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000264454A (ja) 1999-03-18 2000-09-26 Canon Inc 給紙装置
US20090322017A1 (en) 2008-06-30 2009-12-31 Kevin Bokelman Torque limiter and sheet separating device having a torque limiter

Also Published As

Publication number Publication date
CN110217621B (zh) 2021-04-06
US10723575B2 (en) 2020-07-28
JP2019151448A (ja) 2019-09-12
CN110217621A (zh) 2019-09-10
US20190270603A1 (en) 2019-09-05

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