JP5796739B2 - 画像形成装置 - Google Patents
画像形成装置 Download PDFInfo
- Publication number
- JP5796739B2 JP5796739B2 JP2011249889A JP2011249889A JP5796739B2 JP 5796739 B2 JP5796739 B2 JP 5796739B2 JP 2011249889 A JP2011249889 A JP 2011249889A JP 2011249889 A JP2011249889 A JP 2011249889A JP 5796739 B2 JP5796739 B2 JP 5796739B2
- Authority
- JP
- Japan
- Prior art keywords
- unit
- image forming
- latent image
- charging
- grid electrode
- 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
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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
- G03G15/02—Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices
-
- 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
- G03G15/02—Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices
- G03G15/0291—Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices corona discharge devices, e.g. wires, pointed electrodes, means for cleaning the corona discharge device
-
- 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
- G03G15/02—Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices
- G03G15/0208—Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices by contact, friction or induction, e.g. liquid charging apparatus
- G03G15/0216—Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices by contact, friction or induction, e.g. liquid charging apparatus by bringing a charging member into contact with the member to be charged, e.g. roller, brush chargers
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
- G03G21/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements
- G03G21/1661—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements means for handling parts of the apparatus in the apparatus
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- General Physics & Mathematics (AREA)
- Electrostatic Charge, Transfer And Separation In Electrography (AREA)
Description
62 感光体
70 現像装置
71 二次転写ロール
90、91 ハウジング
90A、91A 挿入孔
100 帯電ユニット
102A チャージワイヤ
102B チャージワイヤ
104 グリッド電極
170、171 突起部
172、173 バネ部材
Claims (2)
- 円筒状の潜像保持体、および当該潜像保持体の両端に配置されて前記潜像保持体を回転自在に支持する支持部材を備えた潜像形成部と、
放電によって前記潜像保持体に電荷を供給する放電電極、および前記放電電極と前記潜像保持体との間に配置されて前記潜像保持体の電位を制御する制御電極を備え、前記潜像保持体の外周面を予め設定された電位に帯電させる帯電手段と、
前記潜像形成部および前記帯電手段にそれぞれ形成され、相互に嵌り合って前記潜像形成部と前記帯電手段とを接続する潜像形成部側接続部および帯電手段側接続部と、
前記潜像形成部と前記帯電手段との間に配置され、前記潜像形成部と前記帯電手段とを相互に離間する方向に付勢する付勢手段と、
を有することを特徴とする画像形成装置。 - 前記潜像形成部側接続部および前記帯電手段側接続部ならびに前記付勢手段は、前記帯電手段の長手方向の両端側にそれぞれ設けられている、
ことを特徴とする請求項1記載の画像形成装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011249889A JP5796739B2 (ja) | 2011-11-15 | 2011-11-15 | 画像形成装置 |
US13/453,557 US8903272B2 (en) | 2011-11-15 | 2012-04-23 | Image forming apparatus including charging unit positioning |
CN201210189173.3A CN103105759B (zh) | 2011-11-15 | 2012-06-08 | 图像形成装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011249889A JP5796739B2 (ja) | 2011-11-15 | 2011-11-15 | 画像形成装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2013105091A JP2013105091A (ja) | 2013-05-30 |
JP5796739B2 true JP5796739B2 (ja) | 2015-10-21 |
Family
ID=48280780
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011249889A Active JP5796739B2 (ja) | 2011-11-15 | 2011-11-15 | 画像形成装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US8903272B2 (ja) |
JP (1) | JP5796739B2 (ja) |
CN (1) | CN103105759B (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013109199A (ja) * | 2011-11-22 | 2013-06-06 | Fuji Xerox Co Ltd | 制御電極、帯電装置および画像形成装置 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5627166A (en) * | 1979-08-14 | 1981-03-16 | Toshiba Corp | Copying apparatus |
JPH0631476Y2 (ja) * | 1991-04-18 | 1994-08-22 | 株式会社東芝 | 画像形成装置 |
JP2526254Y2 (ja) * | 1991-11-01 | 1997-02-19 | 大日本スクリーン製造株式会社 | 複写機のチャージャ装置 |
JPH07230202A (ja) * | 1994-02-18 | 1995-08-29 | Ricoh Co Ltd | 画像形成装置 |
JPH0862950A (ja) * | 1994-08-23 | 1996-03-08 | Minolta Co Ltd | スコロトロン方式の帯電器 |
US5666608A (en) * | 1996-05-02 | 1997-09-09 | Hewlett-Packard Company | Charging member and image forming member spacer apparatus |
JP2005156760A (ja) * | 2003-11-21 | 2005-06-16 | Toshiba Corp | 画像形成装置 |
JP4610371B2 (ja) * | 2004-11-30 | 2011-01-12 | 京セラミタ株式会社 | 帯電器及びこれを搭載した画像形成装置 |
KR100629497B1 (ko) * | 2005-09-06 | 2006-09-28 | 삼성전자주식회사 | 롤러 이격장치 및 그것을 구비한 화상형성장치 |
JP5181518B2 (ja) | 2007-04-13 | 2013-04-10 | 株式会社リコー | スコロトロン帯電装置、プロセスカートリッジ及び画像形成装置 |
DE102009013972B4 (de) * | 2009-03-19 | 2010-12-23 | OCé PRINTING SYSTEMS GMBH | Corotroneinrichtung für ein über ein Führungsmittel bewegtes Element, insbesondere bei einem elektrografischen Druckgerät |
US20110217079A1 (en) * | 2010-03-03 | 2011-09-08 | Kabushiki Kaisha Toshiba | Image forming apparatus and method of adjusting gap between rollers |
JP5038548B2 (ja) * | 2010-03-09 | 2012-10-03 | キヤノン株式会社 | 帯電装置 |
-
2011
- 2011-11-15 JP JP2011249889A patent/JP5796739B2/ja active Active
-
2012
- 2012-04-23 US US13/453,557 patent/US8903272B2/en not_active Expired - Fee Related
- 2012-06-08 CN CN201210189173.3A patent/CN103105759B/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN103105759A (zh) | 2013-05-15 |
CN103105759B (zh) | 2016-10-19 |
US8903272B2 (en) | 2014-12-02 |
JP2013105091A (ja) | 2013-05-30 |
US20130121730A1 (en) | 2013-05-16 |
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