CA1160445A - Developer unit for dry toner electrophotographic copier - Google Patents
Developer unit for dry toner electrophotographic copierInfo
- Publication number
- CA1160445A CA1160445A CA000376596A CA376596A CA1160445A CA 1160445 A CA1160445 A CA 1160445A CA 000376596 A CA000376596 A CA 000376596A CA 376596 A CA376596 A CA 376596A CA 1160445 A CA1160445 A CA 1160445A
- Authority
- CA
- Canada
- Prior art keywords
- toner
- coil
- developer unit
- roller
- metering
- 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
Links
- 238000009877 rendering Methods 0.000 claims abstract description 3
- 125000004122 cyclic group Chemical group 0.000 claims 1
- 238000007789 sealing Methods 0.000 abstract 1
- 230000009471 action Effects 0.000 description 4
- 238000005054 agglomeration Methods 0.000 description 4
- 230000002776 aggregation Effects 0.000 description 4
- 230000005284 excitation Effects 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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
- G03G15/09—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer using magnetic brush
-
- 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
- G03G15/0822—Arrangements for preparing, mixing, supplying or dispensing developer
- G03G15/0877—Arrangements for metering and dispensing developer from a developer cartridge into the development unit
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Dry Development In Electrophotography (AREA)
- Magnetic Brush Developing In Electrophotography (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB80.14768 | 1980-05-02 | ||
| GB8014768A GB2076314B (en) | 1980-05-02 | 1980-05-02 | Magnetic brush developer unit for photocopier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1160445A true CA1160445A (en) | 1984-01-17 |
Family
ID=10513190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000376596A Expired CA1160445A (en) | 1980-05-02 | 1981-04-30 | Developer unit for dry toner electrophotographic copier |
Country Status (13)
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5745573A (en) * | 1980-09-01 | 1982-03-15 | Hitachi Metals Ltd | Development device for magnetic toner |
| GB2088253B (en) * | 1980-11-01 | 1984-05-10 | Ricoh Kk | Electrophotographic development apparatus |
| DE3241607A1 (de) * | 1981-11-10 | 1983-05-19 | Ricoh Co., Ltd., Tokyo | Entwicklungseinrichtung |
| US4566776A (en) * | 1982-03-31 | 1986-01-28 | Ricoh Company, Ltd. | Magnetic toner developing device |
| JPS58175545U (ja) * | 1982-05-18 | 1983-11-24 | 株式会社東芝 | 現像装置 |
| GB2120960B (en) * | 1982-05-31 | 1986-10-01 | Ricoh Kk | Developer device |
| JPS5950471A (ja) * | 1982-09-17 | 1984-03-23 | Sharp Corp | 電子写真現像方法及び装置 |
| JPS6010265A (ja) * | 1983-06-30 | 1985-01-19 | Mita Ind Co Ltd | 電子写真方法 |
| GB2145942B (en) * | 1983-08-05 | 1987-03-18 | Konishiroku Photo Ind | Developing latent eletrostatic images |
| US4587929A (en) * | 1984-11-30 | 1986-05-13 | Xerox Corporation | Closed loop mechanical development control system |
| US6044241A (en) * | 1998-08-28 | 2000-03-28 | Xerox Corporation | Dual charging and metering of development member |
| US6134405A (en) * | 1999-02-26 | 2000-10-17 | Xerox Corporation | Combined charging and cleaning blade |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3707134A (en) | 1970-08-21 | 1972-12-26 | Addressograph Multigraph | Automatic toner concentrate detector and control device |
| JPS5349437A (en) | 1976-10-16 | 1978-05-04 | Hitachi Ltd | Toner density detector |
| DE2727402C2 (de) * | 1977-06-18 | 1979-04-19 | Hoechst Ag, 6000 Frankfurt | Vorrichtung zur Messung der Tonerkonzentration eines Entwicklergemisches |
| US4270487A (en) | 1977-10-27 | 1981-06-02 | Hitachi, Ltd. | Developer regulating device in developing apparatus |
-
1980
- 1980-05-02 GB GB8014768A patent/GB2076314B/en not_active Expired
-
1981
- 1981-04-18 IN IN233/DEL/81A patent/IN155888B/en unknown
- 1981-04-23 NL NL8101998A patent/NL8101998A/nl not_active Application Discontinuation
- 1981-04-27 AU AU69851/81A patent/AU533757B2/en not_active Ceased
- 1981-04-27 US US06/258,029 patent/US4348979A/en not_active Expired - Fee Related
- 1981-04-29 IT IT21446/81A patent/IT1138758B/it active
- 1981-04-29 DE DE19813116903 patent/DE3116903A1/de not_active Withdrawn
- 1981-04-30 FR FR8108652A patent/FR2481821A1/fr not_active Withdrawn
- 1981-04-30 DK DK191781A patent/DK191781A/da not_active Application Discontinuation
- 1981-04-30 ES ES501811A patent/ES501811A0/es active Granted
- 1981-04-30 JP JP6610781A patent/JPS572066A/ja active Pending
- 1981-04-30 CA CA000376596A patent/CA1160445A/en not_active Expired
- 1981-04-30 YU YU01125/81A patent/YU112581A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DK191781A (da) | 1981-11-03 |
| AU533757B2 (en) | 1983-12-08 |
| YU112581A (en) | 1983-09-30 |
| GB2076314B (en) | 1983-09-28 |
| NL8101998A (nl) | 1981-12-01 |
| US4348979A (en) | 1982-09-14 |
| ES8206051A1 (es) | 1982-06-16 |
| IT8121446A0 (it) | 1981-04-29 |
| FR2481821A1 (fr) | 1981-11-06 |
| IN155888B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1985-03-23 |
| DE3116903A1 (de) | 1982-03-04 |
| ES501811A0 (es) | 1982-06-16 |
| IT1138758B (it) | 1986-09-17 |
| GB2076314A (en) | 1981-12-02 |
| JPS572066A (en) | 1982-01-07 |
| AU6985181A (en) | 1981-11-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |