JPH0569424B2 - - Google Patents
Info
- Publication number
- JPH0569424B2 JPH0569424B2 JP61254293A JP25429386A JPH0569424B2 JP H0569424 B2 JPH0569424 B2 JP H0569424B2 JP 61254293 A JP61254293 A JP 61254293A JP 25429386 A JP25429386 A JP 25429386A JP H0569424 B2 JPH0569424 B2 JP H0569424B2
- Authority
- JP
- Japan
- Prior art keywords
- developer
- magnetic
- sleeve
- container
- toner
- 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.)
- Expired - Fee Related
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
- G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
- G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
- G03G15/0896—Arrangements or disposition of the complete developer unit or parts thereof not provided for by groups G03G15/08 - G03G15/0894
- G03G15/0898—Arrangements or disposition of the complete developer unit or parts thereof not provided for by groups G03G15/08 - G03G15/0894 for preventing toner scattering during operation, e.g. seals
-
- 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
- G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
- G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
- G03G15/09—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer using magnetic brush
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Dry Development In Electrophotography (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61254293A JPS63108369A (ja) | 1986-10-24 | 1986-10-24 | 乾式現像装置 |
| US07/110,785 US4792831A (en) | 1986-10-24 | 1987-10-21 | Dry-type developing apparatus with elastic sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61254293A JPS63108369A (ja) | 1986-10-24 | 1986-10-24 | 乾式現像装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63108369A JPS63108369A (ja) | 1988-05-13 |
| JPH0569424B2 true JPH0569424B2 (enExample) | 1993-10-01 |
Family
ID=17262957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61254293A Granted JPS63108369A (ja) | 1986-10-24 | 1986-10-24 | 乾式現像装置 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US4792831A (enExample) |
| JP (1) | JPS63108369A (enExample) |
Families Citing this family (32)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE69030203T2 (de) * | 1989-12-01 | 1997-10-02 | Eastman Kodak Co | Tonermischer für Magnetbürstentwicklungsgerät |
| US5012302A (en) * | 1990-03-30 | 1991-04-30 | Motorola, Inc. | Enhanced conductivity quantum well having resonant charge coupling |
| US5311260A (en) * | 1991-03-08 | 1994-05-10 | Mita Industrial Co., Ltd. | Developing device |
| JPH0535107A (ja) * | 1991-07-31 | 1993-02-12 | Toshiba Corp | 画像形成装置における現像装置 |
| US5206693A (en) * | 1991-08-16 | 1993-04-27 | Xerox Corporation | Development unit having an asymmetrically biased electrode wires |
| US5374978A (en) * | 1992-07-15 | 1994-12-20 | Hitachi Metals, Ltd. | Developing method |
| US5387967A (en) * | 1993-09-23 | 1995-02-07 | Xerox Corporation | Single-component electrophotographic development system |
| US5634177A (en) * | 1995-03-15 | 1997-05-27 | Matsushita Electric Industrial Co., Ltd. | Apparatus for developing an electrostatic latent image with a non-magnetic toner |
| JP4235269B2 (ja) * | 1997-10-30 | 2009-03-11 | キヤノン株式会社 | 現像装置及びプロセスカートリッジ及び画像形成装置 |
| JPH11143226A (ja) * | 1997-11-11 | 1999-05-28 | Canon Inc | プロセスカートリッジ及び現像装置 |
| JP2000267429A (ja) * | 1999-03-16 | 2000-09-29 | Kyocera Mita Corp | 画像形成装置 |
| US6771918B2 (en) * | 2001-09-21 | 2004-08-03 | Ricoh Company, Ltd. | Developing device and image forming device |
| EP1467261B1 (en) * | 2003-04-11 | 2011-11-02 | Ricoh Company, Ltd. | Image forming apparatus for preventing image deterioration caused by fallen conductive brush and scatter of developer |
| US7013104B2 (en) | 2004-03-12 | 2006-03-14 | Lexmark International, Inc. | Toner regulating system having toner regulating member with metallic coating on flexible substrate |
| US7236729B2 (en) | 2004-07-27 | 2007-06-26 | Lexmark International, Inc. | Electrophotographic toner regulating member with induced strain outside elastic response region |
| JP2007121931A (ja) * | 2005-10-31 | 2007-05-17 | Canon Inc | 現像装置及び画像形成装置 |
| KR100726441B1 (ko) * | 2005-11-22 | 2007-06-11 | 삼성전자주식회사 | 현상장치 및 이를 이용한 화상형성장치 |
| US20070297827A1 (en) * | 2006-05-19 | 2007-12-27 | David Clay Blaine | Developer Roll Shield to Reduce Toner Dusting |
| US20070286634A1 (en) * | 2006-06-08 | 2007-12-13 | David Clay Blaine | Developer Roll Shield to Reduce Toner Dusting |
| JP4974595B2 (ja) * | 2006-07-13 | 2012-07-11 | 株式会社リコー | 現像装置、プロセスカートリッジ、及び、画像形成装置 |
| JP4513854B2 (ja) * | 2007-11-16 | 2010-07-28 | 富士ゼロックス株式会社 | 現像装置および画像形成装置 |
| JP4977598B2 (ja) * | 2007-12-26 | 2012-07-18 | シャープ株式会社 | 現像装置およびそれを備える画像形成装置 |
| JP5388526B2 (ja) * | 2008-05-27 | 2014-01-15 | キヤノン株式会社 | 現像装置及びプロセスカートリッジ、並びに画像形成装置 |
| JP5216730B2 (ja) * | 2009-09-16 | 2013-06-19 | 京セラドキュメントソリューションズ株式会社 | 現像装置およびそれを備えた画像形成装置 |
| US8543030B2 (en) * | 2011-02-14 | 2013-09-24 | Eastman Kodak Company | Electrophotographic printer with dust seal |
| US8923726B2 (en) * | 2011-04-21 | 2014-12-30 | Ricoh Company, Ltd. | Image forming apparatus incorporating developing device with first and second seals |
| JP5811437B2 (ja) * | 2011-04-21 | 2015-11-11 | 株式会社リコー | 現像装置及びこれを用いた画像形成装置 |
| JP2012230203A (ja) * | 2011-04-25 | 2012-11-22 | Ricoh Co Ltd | 現像装置及び画像形成装置 |
| US9658576B2 (en) * | 2014-12-11 | 2017-05-23 | Ricoh Company, Ltd. | Developing device, and process cartridge and image forming apparatus incorporating same |
| US10534291B2 (en) * | 2017-10-26 | 2020-01-14 | Hewlett-Packard Development Company, L.P. | Image forming system with developer retainer |
| JP7610797B2 (ja) * | 2021-06-03 | 2025-01-09 | 株式会社リコー | 現像装置及び画像形成装置 |
| JP2025055652A (ja) * | 2023-09-27 | 2025-04-08 | 富士フイルムビジネスイノベーション株式会社 | 現像器及び画像形成装置 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0142107Y2 (enExample) * | 1981-05-20 | 1989-12-11 | ||
| US4387982A (en) * | 1981-07-01 | 1983-06-14 | Xerox Corporation | Charged particle containment apparatus |
| DE3225883C2 (de) * | 1981-07-10 | 1985-09-05 | Ricoh Co., Ltd., Tokio/Tokyo | Entwicklungseinrichtung für ein Kopiergerät |
| DE3232341A1 (de) * | 1981-08-31 | 1983-03-24 | Minolta Camera K.K., Osaka | Magnetbuersten-entwicklungseinrichtung |
| US4592653A (en) * | 1982-03-12 | 1986-06-03 | Ricoh Company, Ltd. | Dry process developing apparatus |
| US4394086A (en) * | 1982-03-24 | 1983-07-19 | Xerox Corporation | Particle containment apparatus |
| JPS6054149U (ja) * | 1983-09-20 | 1985-04-16 | 株式会社東芝 | 現像装置 |
| JPS60229070A (ja) * | 1984-04-27 | 1985-11-14 | Toshiba Corp | 現像装置 |
| US4716437A (en) * | 1986-11-19 | 1987-12-29 | Eastman Kodak Company | Development station having apertured thin film for controlling the flow of developer material |
-
1986
- 1986-10-24 JP JP61254293A patent/JPS63108369A/ja active Granted
-
1987
- 1987-10-21 US US07/110,785 patent/US4792831A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63108369A (ja) | 1988-05-13 |
| US4792831A (en) | 1988-12-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |