KR20060064286A - 화상형성장치 - Google Patents
화상형성장치 Download PDFInfo
- Publication number
- KR20060064286A KR20060064286A KR1020040103084A KR20040103084A KR20060064286A KR 20060064286 A KR20060064286 A KR 20060064286A KR 1020040103084 A KR1020040103084 A KR 1020040103084A KR 20040103084 A KR20040103084 A KR 20040103084A KR 20060064286 A KR20060064286 A KR 20060064286A
- Authority
- KR
- South Korea
- Prior art keywords
- sealing member
- toner
- roller
- developing
- image forming
- 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.)
- Ceased
Links
Images
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
- G03G15/0806—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer on a donor element, e.g. belt, roller
- G03G15/0817—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer on a donor element, e.g. belt, roller characterised by the lateral sealing at both sides of the donor member with respect to the developer carrying direction
-
- 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
- G03G15/01—Apparatus for electrographic processes using a charge pattern for producing multicoloured copies
- G03G15/0105—Details of unit
- G03G15/0126—Details of unit using a solid developer
-
- 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
- G03G15/0806—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer on a donor element, e.g. belt, roller
- G03G15/0808—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer on a donor element, e.g. belt, roller characterised by the developer supplying means, e.g. structure of developer supply roller
-
- 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
- G03G2215/00—Apparatus for electrophotographic processes
- G03G2215/06—Developing structures, details
- G03G2215/0634—Developing device
- G03G2215/0636—Specific type of dry developer 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
- G03G2215/08—Details of powder developing device not concerning the development directly
- G03G2215/0875—Arrangements for shipping or transporting of the developing device to or from the user
- G03G2215/0877—Sealing of the developing device opening, facing the image-carrying member
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Dry Development In Electrophotography (AREA)
Abstract
Description
Claims (7)
- 감광체와 상기 감광체를 토너로 현상하는 현상롤러와 상기 현상롤러에 토너를 공급하는 공급롤러를 구비하는 현상기를 포함하는 화상형성장치에 있어서,상기 현상기는상기 현상롤러에 접촉하면서 토너를 상기 하우징 외부로 누출되지 못하게 하는 제1밀폐부재와;상기 공급롤러에 접촉하면서 토너가 상기 제1밀폐부재쪽으로 이동하지 못하도록 차단하는 제2밀폐부재;를 구비하는 것을 특징으로 하는 화상형성장치.
- 제 1항에 있어서,상기 하우징은 상부케이스와 하부케이스가 결합되어 이루어져 있으며,상기 제2밀폐부재는 상기 하부케이스에 일측이 고정되어 있고, 그 타측은 끝단이 상기 공급롤러의 회전방향을 향하도록 구부러져 상기 공급롤러에 밀착되어 있는 것을 특징으로 하는 화상형성장치.
- 제 2항에 있어서,상기 제 2밀폐부재는 끝단이 U자형으로 구부러져 있는 것을 특징으로 하는 전사진방식 화상형성장치.
- 제 3항에 있어서,상기 제2밀폐부재는 상기 공급롤러의 하측에 위치하는 것을 특징으로 하는 화상형성장치.
- 제 1항에 있어서,상기 제2밀폐부재는 상기 현상롤러의 하측에 위치하는 상기 하부케이스에 일측이 고정되어 있고, 그 타측은 상기 공급롤러에 밀착되어 있는 것을 특징으로 하는 화상형성장치.
- 제 5항에 있어서,상기 제2밀폐부재는 상기 공급롤러의 회전방향을 따라 상기 공급롤러와 접촉하는 것을 특징으로 하는 화상형성장치.
- 제 1항에 있어서,상기 제2밀폐부재는 두께가 0.05㎜ 내지 0.08㎜인 것을 특징으로 하는 화상형성장치.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040103084A KR20060064286A (ko) | 2004-12-08 | 2004-12-08 | 화상형성장치 |
US11/167,092 US20060120750A1 (en) | 2004-12-08 | 2005-06-28 | Image forming apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040103084A KR20060064286A (ko) | 2004-12-08 | 2004-12-08 | 화상형성장치 |
Publications (1)
Publication Number | Publication Date |
---|---|
KR20060064286A true KR20060064286A (ko) | 2006-06-13 |
Family
ID=36574355
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020040103084A Ceased KR20060064286A (ko) | 2004-12-08 | 2004-12-08 | 화상형성장치 |
Country Status (2)
Country | Link |
---|---|
US (1) | US20060120750A1 (ko) |
KR (1) | KR20060064286A (ko) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6079189B2 (ja) * | 2012-12-10 | 2017-02-15 | ブラザー工業株式会社 | 現像装置 |
JP6617467B2 (ja) * | 2015-08-06 | 2019-12-11 | 富士ゼロックス株式会社 | 現像装置及び画像形成装置 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2948238B2 (ja) * | 1989-08-29 | 1999-09-13 | キヤノン株式会社 | 現像装置 |
US5758230A (en) * | 1995-11-10 | 1998-05-26 | Mita Industrial Co., Ltd. | Device for developing electrostatic latent image |
JP3188439B1 (ja) * | 2000-03-07 | 2001-07-16 | キヤノン株式会社 | プロセスカートリッジの再生産方法 |
KR100561471B1 (ko) * | 2003-10-20 | 2006-03-16 | 삼성전자주식회사 | 전자사진방식 화상형성장치의 토너 카트리지 |
KR100594997B1 (ko) * | 2003-11-25 | 2006-06-30 | 삼성전자주식회사 | 현상카트리지 및 이를 구비한 전자사진방식 화상형성장치 |
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2004
- 2004-12-08 KR KR1020040103084A patent/KR20060064286A/ko not_active Ceased
-
2005
- 2005-06-28 US US11/167,092 patent/US20060120750A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
US20060120750A1 (en) | 2006-06-08 |
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Patent event date: 20060614 Comment text: Decision to Refuse Application Patent event code: PE06012S01D Patent event date: 20060329 Comment text: Notification of reason for refusal Patent event code: PE06011S01I |