JPS574076A - Developing device - Google Patents
Developing deviceInfo
- Publication number
- JPS574076A JPS574076A JP7755180A JP7755180A JPS574076A JP S574076 A JPS574076 A JP S574076A JP 7755180 A JP7755180 A JP 7755180A JP 7755180 A JP7755180 A JP 7755180A JP S574076 A JPS574076 A JP S574076A
- Authority
- JP
- Japan
- Prior art keywords
- toner
- hopper
- roll
- opening part
- occurrence
- 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
- 230000000903 blocking effect Effects 0.000 abstract 1
- 230000001105 regulatory effect Effects 0.000 abstract 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Magnetic Brush Developing In Electrophotography (AREA)
Abstract
PURPOSE:To prevent clogging of the toner in the opening part of a hopper by providing a bottom plate in such a position where the toner moves on a developing roller along the same within a range that it receives the influence of magnetic fields and is conveyed upward above the horizontal plane of the roll. CONSTITUTION:A toner supply rate regulating member 7 serving also as a bottom plate for a toner hopper 2 to be installed above a developing roll is provided in such a manner that the toner in the hopper moves along the roll within a range where it receives the influence of the magnetic field of the roll and the opening part of the hopper is located above the horizontal plane HH' past the center of the roll and so as to come to the position where the toner is conveyed from below to above. Thereby, the occurrence of blocking of the toner in the hopper and its clogging in the opening part is obviated, and further the occurrence of toner clad in the toner stagnating part is prevented.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7755180A JPS574076A (en) | 1980-06-09 | 1980-06-09 | Developing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7755180A JPS574076A (en) | 1980-06-09 | 1980-06-09 | Developing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS574076A true JPS574076A (en) | 1982-01-09 |
Family
ID=13637144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7755180A Pending JPS574076A (en) | 1980-06-09 | 1980-06-09 | Developing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS574076A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6087353A (en) * | 1983-10-19 | 1985-05-17 | Canon Inc | developing device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5528030A (en) * | 1978-08-18 | 1980-02-28 | Hitachi Metals Ltd | Developing device in electrophotographic copier |
-
1980
- 1980-06-09 JP JP7755180A patent/JPS574076A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5528030A (en) * | 1978-08-18 | 1980-02-28 | Hitachi Metals Ltd | Developing device in electrophotographic copier |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6087353A (en) * | 1983-10-19 | 1985-05-17 | Canon Inc | developing device |
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