JPS5737376A - Developing device of copying machine - Google Patents
Developing device of copying machineInfo
- Publication number
- JPS5737376A JPS5737376A JP11182180A JP11182180A JPS5737376A JP S5737376 A JPS5737376 A JP S5737376A JP 11182180 A JP11182180 A JP 11182180A JP 11182180 A JP11182180 A JP 11182180A JP S5737376 A JPS5737376 A JP S5737376A
- Authority
- JP
- Japan
- Prior art keywords
- toner
- roll
- recovery
- development
- bias
- 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.)
- Pending
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
- G03G15/09—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer using magnetic brush
Abstract
PURPOSE:To obtain invariable adequate toner content and to recover toner by providing a bias roller, which absorbs the toner according to the contol of an applied voltage, over a development roll and by further providing a recovery mechanism which recovers the toner sticking to the roll. CONSTITUTION:Over a development roll 8, a bias roll 5 constituted by covering the periphery of a conductive roll with an insulating coating is arranged at a constant interval of distance and driven to turn as shown by an arrow. The conductive roller is applied with a voltage from a DC variable power source 9 to produce an electric field between the conductive roller and the development roll 8 through the insulating coating. The toner bottle 2 has a recovery entrance 12; one end of a blade 6 is in contact with the periphery of the bias roll 5, and the other end is extended to the recovery entrance 12, thus constituting a recovery mechanism B for toner by using them. Consequently, invariably adequate toner content is obtained in a development area to perform excellent copying and recovery to the toner bottle is achieved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11182180A JPS5737376A (en) | 1980-08-15 | 1980-08-15 | Developing device of copying machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11182180A JPS5737376A (en) | 1980-08-15 | 1980-08-15 | Developing device of copying machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5737376A true JPS5737376A (en) | 1982-03-01 |
Family
ID=14570996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11182180A Pending JPS5737376A (en) | 1980-08-15 | 1980-08-15 | Developing device of copying machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5737376A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59173066U (en) * | 1983-05-04 | 1984-11-19 | 富士ゼロックス株式会社 | Electronic copying machine developing device |
| JPS6344677A (en) * | 1986-08-13 | 1988-02-25 | Ricoh Co Ltd | Developing device for electrostatic latent image |
| JPS63243977A (en) * | 1987-03-31 | 1988-10-11 | Fuji Xerox Co Ltd | Nonmagnetic one-component developing device |
| JPH05203605A (en) * | 1991-08-28 | 1993-08-10 | Hughes Aircraft Co | Chemical sensor for carbon monoxide detection |
-
1980
- 1980-08-15 JP JP11182180A patent/JPS5737376A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59173066U (en) * | 1983-05-04 | 1984-11-19 | 富士ゼロックス株式会社 | Electronic copying machine developing device |
| JPH04365Y2 (en) * | 1983-05-04 | 1992-01-08 | ||
| JPS6344677A (en) * | 1986-08-13 | 1988-02-25 | Ricoh Co Ltd | Developing device for electrostatic latent image |
| JPS63243977A (en) * | 1987-03-31 | 1988-10-11 | Fuji Xerox Co Ltd | Nonmagnetic one-component developing device |
| JPH05203605A (en) * | 1991-08-28 | 1993-08-10 | Hughes Aircraft Co | Chemical sensor for carbon monoxide detection |
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