JP7005144B2 - シート排出装置、画像形成装置、及びシート後処理装置 - Google Patents
シート排出装置、画像形成装置、及びシート後処理装置 Download PDFInfo
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- JP7005144B2 JP7005144B2 JP2017002375A JP2017002375A JP7005144B2 JP 7005144 B2 JP7005144 B2 JP 7005144B2 JP 2017002375 A JP2017002375 A JP 2017002375A JP 2017002375 A JP2017002375 A JP 2017002375A JP 7005144 B2 JP7005144 B2 JP 7005144B2
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
- B65H29/20—Delivering or advancing articles from machines; Advancing articles to or into piles by contact with rotating friction members, e.g. rollers, brushes, or cylinders
- B65H29/22—Delivering or advancing articles from machines; Advancing articles to or into piles by contact with rotating friction members, e.g. rollers, brushes, or cylinders and introducing into a pile
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H31/00—Pile receivers
- B65H31/02—Pile receivers with stationary end support against which pile accumulates
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
- B65H29/12—Delivering or advancing articles from machines; Advancing articles to or into piles by means of the nip between two, or between two sets of, moving tapes or bands or rollers
- B65H29/14—Delivering or advancing articles from machines; Advancing articles to or into piles by means of the nip between two, or between two sets of, moving tapes or bands or rollers and introducing into a pile
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
- B65H29/52—Stationary guides or smoothers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
- B65H29/70—Article bending or stiffening arrangements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H31/00—Pile receivers
- B65H31/04—Pile receivers with movable end support arranged to recede as pile accumulates
- B65H31/08—Pile receivers with movable end support arranged to recede as pile accumulates the articles being piled one above another
- B65H31/10—Pile receivers with movable end support arranged to recede as pile accumulates the articles being piled one above another and applied at the top of the pile
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H43/00—Use of control, checking, or safety devices, e.g. automatic devices comprising an element for sensing a variable
- B65H43/06—Use of control, checking, or safety devices, e.g. automatic devices comprising an element for sensing a variable detecting, or responding to, completion of pile
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H43/00—Use of control, checking, or safety devices, e.g. automatic devices comprising an element for sensing a variable
- B65H43/08—Photoelectric devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H7/00—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles
- B65H7/02—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors
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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
- G03G15/22—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20
- G03G15/28—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20 in which projection is obtained by line scanning
- G03G15/30—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20 in which projection is obtained by line scanning in which projection is formed on a drum
- G03G15/305—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20 in which projection is obtained by line scanning in which projection is formed on a drum with special means to synchronize the scanning optic to the operation of other parts of the machine, e.g. photoreceptor, copy paper
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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
- G03G15/36—Editing, i.e. producing a composite image by copying one or more original images or parts thereof
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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
- G03G15/65—Apparatus which relate to the handling of copy material
- G03G15/6538—Devices for collating sheet copy material, e.g. sorters, control, copies in staples form
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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
- G03G15/65—Apparatus which relate to the handling of copy material
- G03G15/6552—Means for discharging uncollated sheet copy material, e.g. discharging rollers, exit trays
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- 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
- B65H2301/421—Forming a pile
- B65H2301/4212—Forming a pile of articles substantially horizontal
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- 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
- B65H2301/50—Auxiliary process performed during handling process
- B65H2301/51—Modifying a characteristic of handled material
- B65H2301/512—Changing form of handled material
- B65H2301/5122—Corrugating; Stiffening
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- 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
- B65H2301/50—Auxiliary process performed during handling process
- B65H2301/51—Modifying a characteristic of handled material
- B65H2301/513—Modifying electric properties
- B65H2301/5133—Removing electrostatic charge
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- 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
- B65H2301/50—Auxiliary process performed during handling process
- B65H2301/53—Auxiliary process performed during handling process for acting on performance of handling machine
- B65H2301/532—Modifying characteristics of surface of parts in contact with handled material
- B65H2301/5321—Removing electrostatic charge generated at said surface
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- 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
- B65H2404/14—Roller pairs
- B65H2404/144—Roller pairs with relative movement of the rollers to / from each other
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- 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
- B65H2404/50—Surface of the elements in contact with the forwarded or guided material
- B65H2404/56—Flexible surface
- B65H2404/561—Bristles, brushes
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- 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
- B65H2404/60—Other elements in face contact with handled material
- B65H2404/63—Oscillating, pivoting around an axis parallel to face of material, e.g. diverting means
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- 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
- B65H2404/70—Other elements in edge contact with handled material, e.g. registering, orientating, guiding devices
- B65H2404/74—Guiding means
- B65H2404/741—Guiding means movable in operation
- B65H2404/7414—Guiding means movable in operation pivotable
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2405/00—Parts for holding the handled material
- B65H2405/10—Cassettes, holders, bins, decks, trays, supports or magazines for sheets stacked substantially horizontally
- B65H2405/11—Parts and details thereof
- B65H2405/111—Bottom
- B65H2405/1115—Bottom with surface inclined, e.g. in width-wise direction
- B65H2405/11151—Bottom with surface inclined, e.g. in width-wise direction with surface inclined upwardly in transport direction
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2515/00—Physical entities not provided for in groups B65H2511/00 or B65H2513/00
- B65H2515/70—Electrical or magnetic properties, e.g. electric power or current
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2553/00—Sensing or detecting means
- B65H2553/60—Details of intermediate means between the sensing means and the element to be sensed
- B65H2553/61—Mechanical means, e.g. contact arms
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- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
- Pile Receivers (AREA)
- Delivering By Means Of Belts And Rollers (AREA)
- Paper Feeding For Electrophotography (AREA)
- Separation, Sorting, Adjustment, Or Bending Of Sheets To Be Conveyed (AREA)
Description
前記排出手段によって排出される前記シートによって前記検知部材が回転した状態では、前記除電ブラシの先端部は前記当接部から離間していることを特徴とする。
<画像形成装置10>
図7を参照して、本発明に係るシート排出装置を搭載する画像形成装置を説明する。図7は電子写真記録技術を用いた画像形成装置(本実施例ではモノクロプリンタ)10の一例の概略構成を示す断面図である。
図1、図2を参照して、シート排出装置13を説明する。図1は本実施例に係るシート排出装置13の概略構成を示す斜視図である。図2は図1に示すシート排出装置13のA-A線矢視断面図である。
シート排出装置13の他の例を説明する。本実施例においては、実施例1と異なる構成のみを説明する。
16,17 軸、18,19 ロール、20 ガイド、22 除電ブラシ、
22a 除電ブラシの先端部、23 シートセンサ、24 軸、25 当接部、
25a 当接部のテーパ面、26 フラグ、27 フォトセンサ、30 ロール、
31 コロ、31a コロの外周面、N ニップ部、S シート、
Sc シートの先端、X シート排出方向、
Y シート排出方向に直交する長手方向、
Z シート排出方向に対する垂直方向
Claims (6)
- シートが積載される積載部と、
前記シートを前記積載部に排出する排出手段と、
前記排出手段によって前記積載部に排出される前記シートを除電する除電ブラシと、
前記排出手段によって前記積載部に排出される前記シートを検知するための検知部材と、を備えるシート排出装置において、
前記排出手段は、回転可能な第1の軸と、前記第1の軸に固定された第1のロールと、回転可能な第2の軸と、前記第2の軸に固定された第2のロールと、を有し、前記第1の軸の軸方向に関して互いに離間して互い違いに配置された前記第1のロール及び前記第2のロールによって、前記シートを前記積載部に排出し、
前記第1の軸及び前記第2の軸の回転中心間の距離をL、前記第1のロールの半径をR1、前記第2のロールの半径をR2としたとき、L<R1+R2の関係を満たし、
前記検知部材は、第3の軸と、前記排出手段のシート排出方向における前記シートの先端に当接される当接部と、を有し、前記当接部を前記シートに押圧されることで前記第3の軸を中心に回転し、
前記除電ブラシは、前記シート排出方向において、前記第1の軸と前記第2の軸の間を上流側から下流側に通って配置され、
前記検知部材の前記当接部に前記シートが当接していない状態では、前記除電ブラシの先端部は前記当接部に当接し、前記当接部に対して前記シート排出方向の上流側に位置しており、
前記排出手段によって排出される前記シートによって前記検知部材が回転した状態では、前記除電ブラシの先端部は前記当接部から離間していることを特徴とするシート排出装置。 - 前記第1の軸の軸方向に見て、前記第1のロールの外径部の一部は前記第2のロールの外径部と重なっており、
前記第1のロール及び前記第2のロールは、前記第1のロールの外径部及び前記第2のロールの外径部によって前記シートを波うちさせながら前記シートを排出することを特徴とする請求項1に記載のシート排出装置。 - フォトセンサと、制御部と、を更に備え、
前記検知部材は、前記第3の軸に固定されたフラグを有し、前記フラグは前記当接部が前記積載部に積載された前記シートと当接したとき前記フォトセンサを遮光するように配置され、
前記制御部は、前記フォトセンサが前記フラグにより遮光されたことに基づいて前記積載部に積載された前記シートの積載上限を検知することを特徴とする請求項1又は2に記載のシート排出装置。 - 前記検知部材の前記当接部及び前記除電ブラシは、前記第1の軸の軸方向に関して、互いに隣り合う前記第1のロールと前記第2のロールの間に配置されていることを特徴とする請求項1乃至3のいずれか1項に記載のシート排出装置。
- 請求項1乃至4の何れか一項に記載のシート排出装置を備えることを特徴とする画像形成装置。
- 請求項1乃至4の何れか一項に記載のシート排出装置を備えることを特徴とするシート後処理装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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JP2017002375A JP7005144B2 (ja) | 2017-01-11 | 2017-01-11 | シート排出装置、画像形成装置、及びシート後処理装置 |
US15/865,598 US10233046B2 (en) | 2017-01-11 | 2018-01-09 | Sheet discharging device |
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JP2017002375A JP7005144B2 (ja) | 2017-01-11 | 2017-01-11 | シート排出装置、画像形成装置、及びシート後処理装置 |
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JP2018111557A JP2018111557A (ja) | 2018-07-19 |
JP2018111557A5 JP2018111557A5 (ja) | 2020-02-20 |
JP7005144B2 true JP7005144B2 (ja) | 2022-01-21 |
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JP2006111370A (ja) | 2004-10-12 | 2006-04-27 | Canon Inc | シート排出装置および画像形成装置 |
JP2011037152A (ja) | 2009-08-12 | 2011-02-24 | Fujitsu Component Ltd | サーマルプリンタ |
JP2011068451A (ja) | 2009-09-25 | 2011-04-07 | Kyocera Mita Corp | 画像形成装置 |
JP2012001339A (ja) | 2010-06-18 | 2012-01-05 | Ricoh Co Ltd | シート後処理装置及びそれを用いた画像形成装置 |
US20150091235A1 (en) | 2013-09-30 | 2015-04-02 | Kyocera Document Solutions Inc. | Sheet conveying device and image forming apparatus including the same |
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JP5950658B2 (ja) | 2011-04-22 | 2016-07-13 | キヤノン株式会社 | シート搬送装置及び画像形成装置 |
KR101206573B1 (ko) * | 2011-09-08 | 2012-11-29 | 엘지엔시스(주) | 제전 장치 및 금융기기 |
US9187284B2 (en) * | 2013-08-22 | 2015-11-17 | Canon Kabushiki Kaisha | Sheet discharge device and image forming apparatus |
JP5870988B2 (ja) * | 2013-12-02 | 2016-03-01 | コニカミノルタ株式会社 | 排紙装置及び画像形成装置 |
JP6116500B2 (ja) * | 2014-02-28 | 2017-04-19 | 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、画像形成装置 |
JP6501508B2 (ja) * | 2014-12-08 | 2019-04-17 | キヤノン株式会社 | 画像形成装置 |
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2017
- 2017-01-11 JP JP2017002375A patent/JP7005144B2/ja active Active
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- 2018-01-09 US US15/865,598 patent/US10233046B2/en active Active
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JP2004284788A (ja) | 2003-03-24 | 2004-10-14 | Fuji Xerox Co Ltd | シート処理装置 |
JP2005096965A (ja) | 2003-09-26 | 2005-04-14 | Fuji Xerox Co Ltd | 排紙装置及び画像形成装置 |
JP2006111370A (ja) | 2004-10-12 | 2006-04-27 | Canon Inc | シート排出装置および画像形成装置 |
JP2011037152A (ja) | 2009-08-12 | 2011-02-24 | Fujitsu Component Ltd | サーマルプリンタ |
JP2011068451A (ja) | 2009-09-25 | 2011-04-07 | Kyocera Mita Corp | 画像形成装置 |
JP2012001339A (ja) | 2010-06-18 | 2012-01-05 | Ricoh Co Ltd | シート後処理装置及びそれを用いた画像形成装置 |
US20150091235A1 (en) | 2013-09-30 | 2015-04-02 | Kyocera Document Solutions Inc. | Sheet conveying device and image forming apparatus including the same |
JP2015067416A (ja) | 2013-09-30 | 2015-04-13 | 京セラドキュメントソリューションズ株式会社 | シート搬送装置、画像処理装置 |
US20160083215A1 (en) | 2014-09-24 | 2016-03-24 | Kyocera Document Solutions Inc. | Image forming apparatus including discharge unit |
JP2016065913A (ja) | 2014-09-24 | 2016-04-28 | 京セラドキュメントソリューションズ株式会社 | 画像形成装置 |
Also Published As
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US20180194585A1 (en) | 2018-07-12 |
US10233046B2 (en) | 2019-03-19 |
JP2018111557A (ja) | 2018-07-19 |
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