JP5495024B2 - 給紙装置及び画像形成装置 - Google Patents
給紙装置及び画像形成装置 Download PDFInfo
- Publication number
- JP5495024B2 JP5495024B2 JP2009290811A JP2009290811A JP5495024B2 JP 5495024 B2 JP5495024 B2 JP 5495024B2 JP 2009290811 A JP2009290811 A JP 2009290811A JP 2009290811 A JP2009290811 A JP 2009290811A JP 5495024 B2 JP5495024 B2 JP 5495024B2
- Authority
- JP
- Japan
- Prior art keywords
- paper
- sheet
- feeding device
- air
- sheets
- 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
Links
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
- G03G15/6502—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
- 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
- B65H3/00—Separating articles from piles
- B65H3/08—Separating articles from piles using pneumatic force
- B65H3/12—Suction bands, belts, or tables moving relatively to the pile
- B65H3/124—Suction bands or belts
- B65H3/128—Suction bands or belts separating from the 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
- B65H3/00—Separating articles from piles
- B65H3/46—Supplementary devices or measures to assist separation or prevent double feed
- B65H3/48—Air blast acting on edges of, or under, 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
- 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
-
- 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
- B65H2405/14—Details of surface
-
- 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
- B65H2405/15—Large capacity supports 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
- B65H2406/00—Means using fluid
- B65H2406/30—Suction means
- B65H2406/35—Other elements with suction surface, e.g. plate or wall
- B65H2406/352—Other elements with suction surface, e.g. plate or wall facing the edge of the 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
- B65H2601/00—Problem to be solved or advantage achieved
- B65H2601/20—Avoiding or preventing undesirable effects
- B65H2601/21—Dynamic air effects
- B65H2601/211—Entrapping air in or under the 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
- B65H2801/00—Application field
- B65H2801/03—Image reproduction devices
- B65H2801/06—Office-type machines, e.g. photocopiers
-
- 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
- G03G2215/00367—The feeding path segment where particular handling of the copy medium occurs, segments being adjacent and non-overlapping. Each segment is identified by the most downstream point in the segment, so that for instance the segment labelled "Fixing device" is referring to the path between the "Transfer device" and the "Fixing device"
- G03G2215/00396—Pick-up device
-
- 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
- G03G2215/00367—The feeding path segment where particular handling of the copy medium occurs, segments being adjacent and non-overlapping. Each segment is identified by the most downstream point in the segment, so that for instance the segment labelled "Fixing device" is referring to the path between the "Transfer device" and the "Fixing device"
- G03G2215/004—Separation device
Description
2a ベルト
2 吸引ベルトユニット(用紙搬送手段)
3 検知手段
4 腕部
5 センサ
6 底板
7 用紙せき止め部材
8 搬送ローラ
9 給紙センサ
10 エンドフェンス(後端規制部材)
11 画像形成装置
12 画像形成装置本体
13 給紙装置
20 給紙装置
21 給紙トレイ
22 吸引ベルトユニット
23 サイドフェンス(側端規制部材)
25a 貫通孔(排気部)
25 接触領域
Claims (1)
- 複数枚の用紙を載置可能な積載トレイと、
該積載トレイに載置された複数枚の用紙のうち最上面の用紙を画像形成部に搬送する用紙搬送手段と、
前記積載トレイに積載された複数枚の用紙のうち前記最上面の用紙近傍位置に配置され用紙の一端の部分にエアを吹き付けることにより前記最上面の用紙及び該最上面の用紙近傍の用紙の端面を浮上させる送風手段と、
前記用紙の後端面に配置し用紙の後端位置を規制する後端規制部材と、
前記用紙の両側端面に配置し用紙の側端位置を規制する側端規制部材と、
を備える給紙装置において、
前記側端規制部材の前記用紙との接触部の全体に、前記送風手段からのエアを排出する排気部として、多数の貫通孔を所定間隔だけ隔てて連続的に設けたことを特徴とする給紙装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009290811A JP5495024B2 (ja) | 2009-12-22 | 2009-12-22 | 給紙装置及び画像形成装置 |
US12/926,659 US8177218B2 (en) | 2009-12-22 | 2010-12-02 | Sheet feeding device and image forming apparatus |
CN201010620535.0A CN102120531B (zh) | 2009-12-22 | 2010-12-22 | 进纸设备和图像形成装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009290811A JP5495024B2 (ja) | 2009-12-22 | 2009-12-22 | 給紙装置及び画像形成装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2011131962A JP2011131962A (ja) | 2011-07-07 |
JP5495024B2 true JP5495024B2 (ja) | 2014-05-21 |
Family
ID=44149950
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009290811A Active JP5495024B2 (ja) | 2009-12-22 | 2009-12-22 | 給紙装置及び画像形成装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US8177218B2 (ja) |
JP (1) | JP5495024B2 (ja) |
CN (1) | CN102120531B (ja) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5831802B2 (ja) | 2011-10-06 | 2015-12-09 | 株式会社リコー | シート給送装置及び画像形成装置 |
JP5945899B2 (ja) | 2011-11-02 | 2016-07-05 | 株式会社リコー | 記録媒体供給装置及び画像形成装置 |
JP2015003827A (ja) | 2013-05-21 | 2015-01-08 | 株式会社リコー | シート分離搬送装置、及び画像形成装置 |
CN103482385A (zh) * | 2013-07-31 | 2014-01-01 | 天津长荣印刷设备股份有限公司 | 一种上吸附送纸装置及其工作方法 |
JP6443724B2 (ja) | 2013-12-16 | 2018-12-26 | 株式会社リコー | 給紙装置、画像形成装置および画像形成システム |
JP5983659B2 (ja) * | 2014-02-27 | 2016-09-06 | コニカミノルタ株式会社 | 給紙装置及び給紙装置を備える画像形成装置 |
JP6413604B2 (ja) | 2014-10-15 | 2018-10-31 | 株式会社リコー | シート分離装置、シート供給装置、および画像形成装置 |
JP6413603B2 (ja) | 2014-10-15 | 2018-10-31 | 株式会社リコー | シート供給装置、画像形成装置、および画像形成システム |
JP6443733B2 (ja) | 2014-11-04 | 2018-12-26 | 株式会社リコー | 給紙装置、画像形成装置および画像形成システム |
JP6485738B2 (ja) | 2015-03-13 | 2019-03-20 | 株式会社リコー | 用紙搬送装置 |
JP2017109866A (ja) * | 2015-12-16 | 2017-06-22 | 株式会社リコー | シート搬送装置及びシート搬送方法 |
JP7004232B2 (ja) * | 2016-05-18 | 2022-01-21 | 株式会社リコー | シート給送装置、画像形成装置および画像形成システム |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL295216A (ja) * | 1962-07-12 | 1900-01-01 | ||
JP2934442B2 (ja) | 1988-09-19 | 1999-08-16 | 株式会社日立製作所 | 紙葉類分離給送装置及び紙葉類分離給送方法 |
JP3559437B2 (ja) | 1997-12-19 | 2004-09-02 | 株式会社リコー | シート分離搬送装置 |
JP2000103535A (ja) | 1998-09-30 | 2000-04-11 | Ricoh Co Ltd | シート給送装置 |
JP2000177870A (ja) | 1998-12-14 | 2000-06-27 | Ricoh Co Ltd | シート紙給送装置 |
JP3959629B2 (ja) | 2002-08-09 | 2007-08-15 | リコープリンティングシステムズ株式会社 | 空気圧式給紙装置 |
JP2004224505A (ja) | 2003-01-22 | 2004-08-12 | Tohoku Ricoh Co Ltd | シート分離装置・シート給送装置・画像形成装置 |
JP2006016159A (ja) | 2004-07-02 | 2006-01-19 | Ricoh Printing Systems Ltd | エアー吸着方式給紙装置 |
JP4516504B2 (ja) | 2004-09-13 | 2010-08-04 | 株式会社リコー | 給紙装置 |
JP4495637B2 (ja) | 2005-05-27 | 2010-07-07 | 株式会社リコー | 給紙装置及びこれを備えた電子写真装置 |
JP4677354B2 (ja) * | 2006-02-21 | 2011-04-27 | キヤノン株式会社 | シート給送装置及び画像形成装置 |
JP4804186B2 (ja) * | 2006-03-28 | 2011-11-02 | キヤノン株式会社 | シート給送装置及び画像形成装置 |
US7591459B2 (en) * | 2006-04-03 | 2009-09-22 | Canon Kabushiki Kaisha | Sheet feeding apparatus and image forming apparatus |
JP2007331905A (ja) | 2006-06-16 | 2007-12-27 | Ricoh Printing Systems Ltd | 給紙装置とその制御方法およびこれを用いた印刷装置 |
JP4866300B2 (ja) | 2007-06-15 | 2012-02-01 | 株式会社リコー | 給紙装置及び電子写真装置 |
JP4952524B2 (ja) * | 2007-11-09 | 2012-06-13 | コニカミノルタビジネステクノロジーズ株式会社 | 給紙装置及び画像形成装置 |
JP2009203072A (ja) | 2008-01-31 | 2009-09-10 | Tohoku Ricoh Co Ltd | シート給送装置および印刷装置 |
JP2009190840A (ja) | 2008-02-14 | 2009-08-27 | Tohoku Ricoh Co Ltd | シート給送装置および印刷装置 |
JP5380002B2 (ja) * | 2008-05-22 | 2014-01-08 | コニカミノルタ株式会社 | 給紙装置及びこれを備えた画像形成装置 |
JP5233045B2 (ja) | 2008-10-10 | 2013-07-10 | 東北リコー株式会社 | シート給送装置および画像形成装置 |
-
2009
- 2009-12-22 JP JP2009290811A patent/JP5495024B2/ja active Active
-
2010
- 2010-12-02 US US12/926,659 patent/US8177218B2/en active Active
- 2010-12-22 CN CN201010620535.0A patent/CN102120531B/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US20110148027A1 (en) | 2011-06-23 |
US8177218B2 (en) | 2012-05-15 |
CN102120531A (zh) | 2011-07-13 |
JP2011131962A (ja) | 2011-07-07 |
CN102120531B (zh) | 2015-06-24 |
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