JP2007233011A - 定着装置 - Google Patents
定着装置 Download PDFInfo
- Publication number
- JP2007233011A JP2007233011A JP2006054118A JP2006054118A JP2007233011A JP 2007233011 A JP2007233011 A JP 2007233011A JP 2006054118 A JP2006054118 A JP 2006054118A JP 2006054118 A JP2006054118 A JP 2006054118A JP 2007233011 A JP2007233011 A JP 2007233011A
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- fixing
- fixing device
- support member
- heating member
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Abstract
【解決手段】支持部材(104)の背面側に該支持部材をバックアップするバックアップ部材(106)を設けるとともに、該バックアップ部材の支持部材(104)と接する面を凹凸面として形成するか、又はバックアップ部材(106)と支持部材(104)との間に断熱部材を介装する構成。
【選択図】図2
Description
2 感光ドラム
3 転写ベルト
4 主帯電器
5 レーザ照射装置
7 現像器
12 駆動ローラ
13 従動ローラ
15 バイアス印加用転写ローラ
100 定着装置
102 定着ベルト(加熱部材)
103 加圧ローラ(加圧部材)
104 支持部材
106 バックアップ部材
108 断熱部材
110 定着ニップ部
Claims (6)
- 無端状の金属スリーブを基材とする加熱部材と、前記加熱部材の内部に設けられた輻射発熱源と、前記加熱部材の内面と摺動する摺動面を有する支持部材と、前記支持部材の摺動面との間に前記加熱部材を挟んで加圧するニップ部を形成するとともに前記加熱部材を所定方向に従動回転させる加圧ローラとを備え、記録紙上の未定着像を前記ニップ部を通過させて定着させる定着装置において、前記支持部材の摺動面と反対側に位置して前記支持部材へ加わる加圧ローラの加圧力を受け止めるバックアップ部材を設け、前記支持部材に接触する前記バックアップ部材の接触面を凹凸面として形成したことを特徴とする定着装置。
- 前記バックアップ部材の凹凸面に複数の球状突起が形成されている請求項1に記載の定着装置。
- 前記バックアップ部材の凹凸面に、加熱部材の回転方向に伸びる複数のリブ状突起が形成されている請求項1に記載の定着装置。
- 無端状の金属スリーブを基材とする加熱部材と、前記加熱部材の内部に設けられた輻射発熱源と、前記加熱部材の内面と摺動する摺動面を有する支持部材と、前記支持部材の摺動面との間に前記加熱部材を挟んで加圧するニップ部を形成するとともに前記加熱部材を所定方向に従動回転させる加圧ローラとを備え、記録紙上の未定着像を前記ニップ部を通過させ定着させる定着装置において、前記支持部材の摺動面と反対側に位置して前記支持部材へ加わる加圧ローラの加圧力を受け止めるバックアップ部材を設け、前記支持部材と前記バックアップ部材との間に断熱部材を介装したことを特徴とする定着装置。
- 断熱部材が、耐熱樹脂又はシリコンゴムである請求項4に記載の定着装置。
- 前記バックアップ部材は、表面が前記加熱部材に接する板状部材の背面側に該板状部材と直角な板状リブが一体に設けられた断面逆T字状に形成されている請求項1乃至5のいずれかに記載の定着装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006054118A JP4875385B2 (ja) | 2006-02-28 | 2006-02-28 | 定着装置 |
US11/674,473 US7437110B2 (en) | 2006-02-13 | 2007-02-13 | Fixing device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006054118A JP4875385B2 (ja) | 2006-02-28 | 2006-02-28 | 定着装置 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011167380A Division JP5111647B2 (ja) | 2011-07-29 | 2011-07-29 | 定着装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007233011A true JP2007233011A (ja) | 2007-09-13 |
JP4875385B2 JP4875385B2 (ja) | 2012-02-15 |
Family
ID=38553676
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006054118A Expired - Fee Related JP4875385B2 (ja) | 2006-02-13 | 2006-02-28 | 定着装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4875385B2 (ja) |
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JP2010026489A (ja) * | 2008-06-16 | 2010-02-04 | Ricoh Co Ltd | 定着装置及び画像形成装置 |
JP2010197638A (ja) * | 2009-02-25 | 2010-09-09 | Kyocera Mita Corp | 定着装置および画像形成装置 |
JP2013178472A (ja) * | 2012-01-30 | 2013-09-09 | Ricoh Co Ltd | 定着装置および画像形成装置 |
JP2013178461A (ja) * | 2012-01-31 | 2013-09-09 | Ricoh Co Ltd | 定着装置および画像形成装置 |
JP2014002415A (ja) * | 2008-06-16 | 2014-01-09 | Ricoh Co Ltd | 定着装置及び画像形成装置 |
US8774666B2 (en) | 2012-02-09 | 2014-07-08 | Ricoh Company, Ltd. | Fixing device and image forming apparatus incorporating same |
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US9575447B2 (en) | 2015-02-04 | 2017-02-21 | Ricoh Company, Ltd. | Fixing device and image forming apparatus |
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US9715197B2 (en) | 2015-07-09 | 2017-07-25 | Ricoh Company, Ltd. | Fixing device and image forming apparatus incorporating fixing device |
JP2017134111A (ja) * | 2016-01-25 | 2017-08-03 | 株式会社リコー | 定着装置、及び画像形成装置 |
US9727008B2 (en) | 2012-01-13 | 2017-08-08 | Ricoh Company, Ltd. | Fixing device and image forming apparatus including the fixing device |
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JP2020076855A (ja) * | 2018-11-07 | 2020-05-21 | 株式会社リコー | 定着装置及び画像形成装置 |
US11294319B2 (en) | 2020-01-08 | 2022-04-05 | Kyocera Document Solutions Inc. | Image forming apparatus including sheet passing detection |
US11556083B2 (en) | 2020-08-27 | 2023-01-17 | Sharp Kabushiki Kaisha | Fixing device including supporting member supporting nip forming member from side opposite to fixing belt and image forming device including the fixing device |
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JP5751428B2 (ja) | 2012-01-31 | 2015-07-22 | 株式会社リコー | 定着装置及び画像形成装置 |
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JPH07191561A (ja) * | 1993-12-24 | 1995-07-28 | Canon Inc | 定着装置 |
JPH09197880A (ja) * | 1996-01-24 | 1997-07-31 | Fuji Xerox Co Ltd | 定着装置 |
JPH10144453A (ja) * | 1996-11-06 | 1998-05-29 | Canon Inc | 加熱装置 |
JP2003077621A (ja) * | 2001-09-05 | 2003-03-14 | Canon Inc | 加熱装置および画像形成装置 |
JP2004062053A (ja) * | 2002-07-31 | 2004-02-26 | Canon Inc | 加熱装置および画像形成装置 |
JP2004094146A (ja) * | 2002-09-04 | 2004-03-25 | Canon Inc | 定着装置 |
-
2006
- 2006-02-28 JP JP2006054118A patent/JP4875385B2/ja not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH07191561A (ja) * | 1993-12-24 | 1995-07-28 | Canon Inc | 定着装置 |
JPH09197880A (ja) * | 1996-01-24 | 1997-07-31 | Fuji Xerox Co Ltd | 定着装置 |
JPH10144453A (ja) * | 1996-11-06 | 1998-05-29 | Canon Inc | 加熱装置 |
JP2003077621A (ja) * | 2001-09-05 | 2003-03-14 | Canon Inc | 加熱装置および画像形成装置 |
JP2004062053A (ja) * | 2002-07-31 | 2004-02-26 | Canon Inc | 加熱装置および画像形成装置 |
JP2004094146A (ja) * | 2002-09-04 | 2004-03-25 | Canon Inc | 定着装置 |
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