JP7399384B2 - シート載置装置、シート給送装置及び画像形成装置 - Google Patents
シート載置装置、シート給送装置及び画像形成装置 Download PDFInfo
- Publication number
- JP7399384B2 JP7399384B2 JP2019216856A JP2019216856A JP7399384B2 JP 7399384 B2 JP7399384 B2 JP 7399384B2 JP 2019216856 A JP2019216856 A JP 2019216856A JP 2019216856 A JP2019216856 A JP 2019216856A JP 7399384 B2 JP7399384 B2 JP 7399384B2
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- Prior art keywords
- sheet
- conductor
- contact
- image forming
- side fence
- 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.)
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- 238000001514 detection method Methods 0.000 claims description 87
- 239000004020 conductor Substances 0.000 claims description 34
- 230000001105 regulatory effect Effects 0.000 claims description 18
- 238000006073 displacement reaction Methods 0.000 claims description 16
- 108091008695 photoreceptors Proteins 0.000 description 12
- 238000010586 diagram Methods 0.000 description 9
- 230000003287 optical effect Effects 0.000 description 7
- 238000013459 approach Methods 0.000 description 6
- 239000011521 glass Substances 0.000 description 6
- 230000007246 mechanism Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000013013 elastic material Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H1/00—Supports or magazines for piles from which articles are to be separated
- B65H1/04—Supports or magazines for piles from which articles are to be separated adapted to support articles substantially horizontally, e.g. for separation from top of 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
- 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
- B65H7/06—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 responsive to presence of faulty articles or incorrect separation or feed
-
- 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
- B65H43/04—Use of control, checking, or safety devices, e.g. automatic devices comprising an element for sensing a variable detecting, or responding to, presence of faulty articles
-
- 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
-
- 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
- B65H2405/114—Side, i.e. portion parallel to the feeding / delivering direction
- B65H2405/1142—Projections or the like in surface contact with handled 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
- 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
- B65H2405/114—Side, i.e. portion parallel to the feeding / delivering direction
- B65H2405/1142—Projections or the like in surface contact with handled material
- B65H2405/11425—Projections or the like in surface contact with handled material retractable
-
- 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
- B65H2405/30—Other features of supports for sheets
- B65H2405/32—Supports for sheets partially insertable - extractable, e.g. upon sliding movement, drawer
- B65H2405/324—Supports for sheets partially insertable - extractable, e.g. upon sliding movement, drawer between operative position and non operative 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
- B65H2405/00—Parts for holding the handled material
- B65H2405/30—Other features of supports for sheets
- B65H2405/35—Means for moving support
- B65H2405/354—Means for moving support around an axis, e.g. horizontal
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2407/00—Means not provided for in groups B65H2220/00 – B65H2406/00 specially adapted for particular purposes
- B65H2407/20—Means not provided for in groups B65H2220/00 – B65H2406/00 specially adapted for particular purposes for manual intervention of operator
- B65H2407/21—Manual feeding
-
- 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
- B65H2511/10—Size; Dimensions
-
- 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
- B65H2511/10—Size; Dimensions
- B65H2511/12—Width
-
- 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
- B65H2511/20—Location in space
-
- 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
- B65H2511/20—Location in space
- B65H2511/22—Distance
-
- 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
- B65H2553/20—Sensing or detecting means using electric elements
- B65H2553/23—Capacitive detectors, e.g. electrode arrangements
-
- 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)
- Sheets, Magazines, And Separation Thereof (AREA)
- Paper Feeding For Electrophotography (AREA)
- Controlling Sheets Or Webs (AREA)
- Manual Feeding Of Sheets (AREA)
Description
40 手差し給紙部
41 シート給送装置
42 シート載置装置
43 給送ローラ(給送手段)
44 手差しトレイ(載置部)
45 サイドフェンス(規制部)
50 シート有無検知手段
51 規制部位置検知手段
52 隙間検知手段
53 検知部
53a 対向面
54 連動機構
55 接触部材
56 連動部材
57 導電体
57a 対向面
A 幅方向
B 給送方向
d 導電体と検知部との距離
e シートの幅方向端部
S シート
Claims (9)
- シートが載置される載置部と、
前記載置部に対して移動可能に構成され前記載置部に載置された前記シートの端部位置を規制する規制部と、
前記規制部に設けられ前記シートの端部が接触することにより変位する接触部材と、
前記接触部材の変位を検知する検知部と、
を備え、
前記検知部は、前記載置部に設けられ、
前記接触部材の変位に伴って変位する導電体を備え、
前記検知部は、前記導電体との距離に応じて変化する静電容量を検知する静電容量センサであるシート載置装置。 - 前記導電体が前記静電容量センサに最も接近した状態で、前記導電体と前記静電容量センサとの対向する対向面同士が互いに平行に配置される請求項1に記載のシート載置装置。
- 前記導電体は、前記接触部材の変位に伴って前記静電容量センサに接触する請求項1又は2に記載のシート載置装置。
- 前記導電体は、弾性部材に設けられ、
前記導電体が前記静電容量センサに接触した際に、前記弾性部材が弾性変形する請求項3に記載のシート載置装置。 - 前記規制部の位置を検知する規制部位置検知手段を備える請求項1から4のいずれかに記載のシート載置装置。
- 前記接触部材は、前記規制部に複数設けられる請求項1から5のいずれかに記載のシート載置装置。
- 前記規制部は、前記シートの幅方向端部位置を規制する幅方向規制部である請求項1から6のいずれかに記載のシート載置装置。
- シートを載置するシート載置装置と、
前記シート載置装置に載置された前記シートを給送する給送手段と、
を備えるシート給送装置において、
前記シート載置装置として、請求項1から7のいずれかに記載のシート載置装置を備えるシート給送装置。 - シートに画像を形成する画像形成部と、
前記画像形成部に前記シートを給送するシート給送装置と、
を備える画像形成装置において、
前記シート給送装置として、請求項8に記載のシート給送装置を備える画像形成装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019216856A JP7399384B2 (ja) | 2019-11-29 | 2019-11-29 | シート載置装置、シート給送装置及び画像形成装置 |
US17/094,862 US11420837B2 (en) | 2019-11-29 | 2020-11-11 | Sheet placement device, sheet feeding device, and image forming apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019216856A JP7399384B2 (ja) | 2019-11-29 | 2019-11-29 | シート載置装置、シート給送装置及び画像形成装置 |
Publications (2)
Publication Number | Publication Date |
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JP2021084786A JP2021084786A (ja) | 2021-06-03 |
JP7399384B2 true JP7399384B2 (ja) | 2023-12-18 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2019216856A Active JP7399384B2 (ja) | 2019-11-29 | 2019-11-29 | シート載置装置、シート給送装置及び画像形成装置 |
Country Status (2)
Country | Link |
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US (1) | US11420837B2 (ja) |
JP (1) | JP7399384B2 (ja) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060239763A1 (en) | 2005-04-22 | 2006-10-26 | Lee Tae-Young | Paper-guiding device, image forming apparatus having the same, and method thereof |
JP2008114997A (ja) | 2006-11-07 | 2008-05-22 | Fuji Xerox Co Ltd | 画像形成装置 |
JP2011095207A (ja) | 2009-11-02 | 2011-05-12 | Ricoh Co Ltd | 回転測定装置、シート搬送装置、原稿読取装置、及び画像形成装置 |
JP2012180184A (ja) | 2011-03-01 | 2012-09-20 | Ricoh Co Ltd | シート積載装置、シート給送装置および画像形成装置 |
JP2014005145A (ja) | 2012-04-17 | 2014-01-16 | Ricoh Co Ltd | 給紙装置、及び、画像形成装置 |
JP2017214186A (ja) | 2016-05-31 | 2017-12-07 | 京セラドキュメントソリューションズ株式会社 | 給紙装置及び画像形成装置 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007145486A (ja) | 2005-11-28 | 2007-06-14 | Ricoh Co Ltd | シート材の給送装置、画像形成装置、現金自動預け払い機 |
JP2012030939A (ja) * | 2010-07-30 | 2012-02-16 | Konica Minolta Business Technologies Inc | 自動原稿送り装置 |
JP6007617B2 (ja) * | 2012-06-25 | 2016-10-12 | 株式会社リコー | 記録媒体の積載装置及びその制御方法、並びに、その制御方法のプログラム及びそのプログラムを記憶した記憶媒体 |
JP2015006933A (ja) * | 2013-06-24 | 2015-01-15 | 株式会社リコー | 記録媒体セット装置及び画像形成装置 |
JP7269546B2 (ja) | 2019-02-27 | 2023-05-09 | 株式会社リコー | 排出装置、及び、画像形成装置 |
-
2019
- 2019-11-29 JP JP2019216856A patent/JP7399384B2/ja active Active
-
2020
- 2020-11-11 US US17/094,862 patent/US11420837B2/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060239763A1 (en) | 2005-04-22 | 2006-10-26 | Lee Tae-Young | Paper-guiding device, image forming apparatus having the same, and method thereof |
JP2008114997A (ja) | 2006-11-07 | 2008-05-22 | Fuji Xerox Co Ltd | 画像形成装置 |
JP2011095207A (ja) | 2009-11-02 | 2011-05-12 | Ricoh Co Ltd | 回転測定装置、シート搬送装置、原稿読取装置、及び画像形成装置 |
JP2012180184A (ja) | 2011-03-01 | 2012-09-20 | Ricoh Co Ltd | シート積載装置、シート給送装置および画像形成装置 |
JP2014005145A (ja) | 2012-04-17 | 2014-01-16 | Ricoh Co Ltd | 給紙装置、及び、画像形成装置 |
JP2017214186A (ja) | 2016-05-31 | 2017-12-07 | 京セラドキュメントソリューションズ株式会社 | 給紙装置及び画像形成装置 |
Also Published As
Publication number | Publication date |
---|---|
US20210163244A1 (en) | 2021-06-03 |
US11420837B2 (en) | 2022-08-23 |
JP2021084786A (ja) | 2021-06-03 |
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