JP4475181B2 - シート供給装置及び画像形成装置 - Google Patents
シート供給装置及び画像形成装置 Download PDFInfo
- Publication number
- JP4475181B2 JP4475181B2 JP2005182410A JP2005182410A JP4475181B2 JP 4475181 B2 JP4475181 B2 JP 4475181B2 JP 2005182410 A JP2005182410 A JP 2005182410A JP 2005182410 A JP2005182410 A JP 2005182410A JP 4475181 B2 JP4475181 B2 JP 4475181B2
- Authority
- JP
- Japan
- Prior art keywords
- sheet
- guide member
- image forming
- feeding
- 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.)
- Expired - Fee Related
Links
- 238000000926 separation method Methods 0.000 claims description 33
- 230000002093 peripheral effect Effects 0.000 description 23
- 238000011144 upstream manufacturing Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 239000003086 colorant Substances 0.000 description 2
- 230000001678 irradiating effect Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Images
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
- G03G15/6579—Refeeding path for composite copying
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J13/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, specially adapted for supporting or handling copy material in short lengths, e.g. sheets
- B41J13/0009—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, specially adapted for supporting or handling copy material in short lengths, e.g. sheets control of the transport of the copy material
- B41J13/0045—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, specially adapted for supporting or handling copy material in short lengths, e.g. sheets control of the transport of the copy material concerning sheet refeed sections of automatic paper handling systems, e.g. intermediate stackers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
- B41J3/60—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for printing on both faces of the printing material
-
- 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
- B65H3/0661—Rollers or like rotary separators for separating inclined-stacked articles with separator rollers above the stack
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H5/00—Feeding articles separated from piles; Feeding articles to machines
- B65H5/36—Article guides or smoothers, e.g. movable in operation
-
- 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
- G03G15/6502—Supplying of sheet copy material; Cassettes therefor
- G03G15/6511—Feeding devices for picking up or separation of copy 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
- B65H2301/00—Handling processes for sheets or webs
- B65H2301/10—Selective handling processes
- B65H2301/13—Relative to size or orientation of the material
- B65H2301/132—Relative to size or orientation of the material single face or double face
- B65H2301/1321—Printed material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2301/00—Handling processes for sheets or webs
- B65H2301/30—Orientation, displacement, position of the handled material
- B65H2301/33—Modifying, selecting, changing orientation
- B65H2301/333—Inverting
- B65H2301/3331—Involving forward reverse transporting means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2301/00—Handling processes for sheets or webs
- B65H2301/40—Type of handling process
- B65H2301/42—Piling, depiling, handling piles
- B65H2301/423—Depiling; Separating articles from a pile
- B65H2301/4234—Depiling; Separating articles from a pile assisting separation or preventing double feed
- B65H2301/42344—Depiling; Separating articles from a pile assisting separation or preventing double feed separating stack from the sheet separating means after separation step
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
- B65H2511/40—Identification
- B65H2511/414—Identification of mode of operation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2513/00—Dynamic entities; Timing aspects
- B65H2513/40—Movement
- B65H2513/42—Route, path
-
- 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
-
- 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
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Sheets, Magazines, And Separation Thereof (AREA)
- Conveyance By Endless Belt Conveyors (AREA)
- Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
Description
12 画像形成部(画像形成手段)
27 搬送路
28 搬送ローラ
36 再供給路
38 搬送ローラ
50 シート供給装置
52 給紙トレイ
54 給紙ローラ
56 分離ローラ(分離部材)
58 上側ガイド部材
60 第1カム
62 フレーム
64 第2カム
66 下側ガイド部材
66a 周面部
66b 突起部
66c ガイド面
66d 突出部
68 リンク部材
68a 開孔
70 係合片
72 バネ
74 バネ
76 カム
76a 軸部
76b 周面部
78 バネ
88 ガイドプレート
100 給紙路
102 案内路
104 ガイド位置
106 退避位置
P シート
Claims (10)
- シートを画像形成手段に供給するシート供給装置であって、
シートを一枚ずつ送り出す給紙ローラと、
複数のシートが積載可能で、シートを前記給紙ローラに押し付けるシート積載手段と、
両面印刷時にシート再供給手段により送られてくる反転されたシートを前記画像形成手段に再供給するガイド位置と、前記シート積載手段のシート送りを可能とする退避位置との間を移動可能な上側ガイド部材と、
前記シート積載手段に積載されたシートの先端に当接する回動可能な下側ガイド部材と、を備え、
前記上側ガイド部材と前記下側ガイド部材とが連動して回動することによって、両面印刷時に再供給されるシートを案内する案内路を形成することを特徴とするシート供給装置。 - 前記上側ガイド部材は、前記給紙ローラ側に回動して前記退避位置に退避することを特徴とする請求項1に記載のシート供給装置。
- 前記下側ガイド部材は、シートの給紙方向先端に当接してシートを前記シート積載手段の積載位置に戻す突起部を有することを特徴とする請求項1又は請求項2に記載のシート供給装置。
- 前記上側ガイド部材と前記下側ガイド部材とはリンクで繋がれ、前記上側ガイド部材又は前記下側ガイド部材がカムによって回動することを特徴とする請求項1から請求項3までのいずれか1項に記載のシート供給装置。
- 前記シート積載手段からシートを給紙する際に、前記給紙ローラに圧接してシートを捌く分離部材を備え、
前記分離部材が前記給紙ローラとの圧接位置から退避可能に設けられていることを特徴とする請求項1から請求項4までのいずれか1項に記載のシート供給装置。 - 前記カムは、前記給紙ローラの回転と連動して回転することを特徴とする請求項4に記載のシート供給装置。
- 前記シート積載手段が移動した後、前記突起部が回動してシートを前記シート積載手段の積載位置に戻すことを特徴とする請求項3に記載のシート供給装置。
- 前記上側ガイド部材と前記突起部は、シートを前記シート積載手段の積載位置に戻すときに、シートを戻す方向に近接又は重なり合うように回動することを特徴とする請求項3に記載のシート供給装置。
- 前記下側ガイド部材は、前記シート積載手段からシートを給紙する際にシートを前記分離部材に案内するガイド部を有することを特徴とする請求項5に記載のシート供給装置。
- 請求項1から請求項9までのいずれか1項に記載のシート供給装置と、シートに画像を形成する画像形成手段と、前記画像形成手段を通過した後に反転されたシートを前記画像形成手段に再供給するためのシート再供給手段と、を有することを特徴とする画像形成装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005182410A JP4475181B2 (ja) | 2005-06-22 | 2005-06-22 | シート供給装置及び画像形成装置 |
KR1020050102854A KR100716605B1 (ko) | 2005-06-22 | 2005-10-31 | 시트 공급 장치 및 화상 형성 장치 |
US11/262,892 US7533881B2 (en) | 2005-06-22 | 2005-11-01 | Sheet feeding device and image forming device with linked rotatable guide members |
CNB200510123678XA CN100428078C (zh) | 2005-06-22 | 2005-11-18 | 片材供给装置和成像装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005182410A JP4475181B2 (ja) | 2005-06-22 | 2005-06-22 | シート供給装置及び画像形成装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007001697A JP2007001697A (ja) | 2007-01-11 |
JP4475181B2 true JP4475181B2 (ja) | 2010-06-09 |
Family
ID=37583385
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005182410A Expired - Fee Related JP4475181B2 (ja) | 2005-06-22 | 2005-06-22 | シート供給装置及び画像形成装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7533881B2 (ja) |
JP (1) | JP4475181B2 (ja) |
KR (1) | KR100716605B1 (ja) |
CN (1) | CN100428078C (ja) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4710430B2 (ja) | 2005-06-21 | 2011-06-29 | 富士ゼロックス株式会社 | シート供給装置及び画像形成装置 |
JP4270283B2 (ja) | 2007-01-29 | 2009-05-27 | トヨタ自動車株式会社 | 内燃機関の二次空気供給装置 |
JP5360094B2 (ja) * | 2010-08-27 | 2013-12-04 | ブラザー工業株式会社 | 画像処理装置 |
US8348273B2 (en) | 2011-03-29 | 2013-01-08 | Lexmark International, Inc. | Nip separator device for a roll assembly |
EP2551223B1 (en) * | 2011-07-29 | 2015-03-11 | Canon Kabushiki Kaisha | Sheet stacking apparatus and image forming apparatus |
KR101728974B1 (ko) * | 2012-12-14 | 2017-04-20 | 캐논 가부시끼가이샤 | 시트 적재 장치 및 화상 형성 장치 |
US9056166B2 (en) * | 2013-01-21 | 2015-06-16 | Baxter International Inc. | Infusion pump and method to enhance long term medication delivery accuracy |
CN105127619A (zh) * | 2015-06-08 | 2015-12-09 | 昆山孚思格机电科技有限公司 | 一种钣金自动正反转出料和错位存储装置 |
JP2022099989A (ja) * | 2020-12-23 | 2022-07-05 | セイコーエプソン株式会社 | 搬送装置及び印刷装置 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4113244A (en) * | 1975-04-15 | 1978-09-12 | Kurt Ruenzi | Apparatus for automatically feeding individual sheets from a stack through an office machine |
US4131273A (en) * | 1977-05-13 | 1978-12-26 | Oce-Industries Inc. | Record card feeding apparatus |
US4186662A (en) * | 1977-08-22 | 1980-02-05 | A. B. Dick Company | Duplexing copying system |
US4456238A (en) * | 1981-03-31 | 1984-06-26 | Ricoh Company, Ltd. | Duplex tray for duplex copying machine and the like |
US5022640A (en) * | 1985-10-28 | 1991-06-11 | Xerox Corporation | Auto-duplex/simplex feeder module |
US4660963A (en) * | 1985-12-30 | 1987-04-28 | Xerox Corporation | Auto duplex reproduction machine |
JPH02178675A (ja) * | 1988-12-29 | 1990-07-11 | Seikosha Co Ltd | 両面印字装置 |
AU658365B2 (en) * | 1991-06-26 | 1995-04-13 | Kabushiki Kaisha Ace Denken | Device for conveying and arranging paper sheet |
JP3316520B2 (ja) * | 1996-02-05 | 2002-08-19 | カシオ電子工業株式会社 | 画像形成装置 |
US5839032A (en) * | 1996-03-08 | 1998-11-17 | Ricoh Company, Ltd. | Image forming apparatus having selectably controlled sheet discharge paths |
JP3715390B2 (ja) * | 1996-12-12 | 2005-11-09 | 富士通株式会社 | 像形成装置 |
EP0892323B1 (en) * | 1997-07-14 | 2007-02-21 | Seiko Epson Corporation | Image forming apparatus |
KR100207734B1 (ko) * | 1997-08-14 | 1999-07-15 | 윤종용 | 양면 인쇄용 인쇄기기의 용지 반전장치 |
CN1215940C (zh) * | 2001-06-04 | 2005-08-24 | 精工爱普生株式会社 | 带翻页机构的打印机 |
JP2004085632A (ja) | 2002-08-22 | 2004-03-18 | Canon Inc | 画像形成装置 |
JP4710430B2 (ja) * | 2005-06-21 | 2011-06-29 | 富士ゼロックス株式会社 | シート供給装置及び画像形成装置 |
-
2005
- 2005-06-22 JP JP2005182410A patent/JP4475181B2/ja not_active Expired - Fee Related
- 2005-10-31 KR KR1020050102854A patent/KR100716605B1/ko active IP Right Grant
- 2005-11-01 US US11/262,892 patent/US7533881B2/en not_active Expired - Fee Related
- 2005-11-18 CN CNB200510123678XA patent/CN100428078C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
KR20060134777A (ko) | 2006-12-28 |
CN1885209A (zh) | 2006-12-27 |
US20070007715A1 (en) | 2007-01-11 |
US7533881B2 (en) | 2009-05-19 |
KR100716605B1 (ko) | 2007-05-09 |
CN100428078C (zh) | 2008-10-22 |
JP2007001697A (ja) | 2007-01-11 |
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