JPS564166A - Bridging preventing and electrical safety device of powder toner in powder developing device - Google Patents
Bridging preventing and electrical safety device of powder toner in powder developing deviceInfo
- Publication number
- JPS564166A JPS564166A JP7956979A JP7956979A JPS564166A JP S564166 A JPS564166 A JP S564166A JP 7956979 A JP7956979 A JP 7956979A JP 7956979 A JP7956979 A JP 7956979A JP S564166 A JPS564166 A JP S564166A
- Authority
- JP
- Japan
- Prior art keywords
- pored
- toners
- hopper
- plate
- pores
- 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
Landscapes
- Magnetic Brush Developing In Electrophotography (AREA)
- Dry Development In Electrophotography (AREA)
Abstract
PURPOSE: To achieve safety and the prevention of the bridging of toners by providing the stationary pored plate and oscillating pored plate in the hopper horizontally parallel and providing multiple holes with vertical serration.
CONSTITUTION: A pored plate 3 which oscillates about a shaft 5 and a pored plate 4 secured to a hopper 1 are provided approximately vertically parallel and horizontally within the hopper 1. The shaft 5 is fixed with an oscillating arm 7 on the outer side of the hopper and is contacted with the cam 8 on the shaft of a sleeve 2 by a spring 6. The pores 3a, 4a of the pored plates 3, 4 are made smaller than about 8mm and these pores 3a, 4a are provided as many as possible to the relation of the mutually vertically serrated positions when the pored plate 3 is detained. A multiplicity of protrusions 3b, 4b are provided to both plates 3, 4. The pored plates 3, 4 are made of punching metals or wire netting. When with this constitution the toners are oscillation-charged by opening a cover 9 and even if they are thrusted by a bar- form materials at that time, it does not reach the sleeve having applied voltage owing to the serration of the pores and therefore there is no electric shock and this prevents the leakage of the toners and enables the prevention of the gridging of the toners.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7956979A JPS564166A (en) | 1979-06-22 | 1979-06-22 | Bridging preventing and electrical safety device of powder toner in powder developing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7956979A JPS564166A (en) | 1979-06-22 | 1979-06-22 | Bridging preventing and electrical safety device of powder toner in powder developing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS564166A true JPS564166A (en) | 1981-01-17 |
Family
ID=13693627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7956979A Pending JPS564166A (en) | 1979-06-22 | 1979-06-22 | Bridging preventing and electrical safety device of powder toner in powder developing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS564166A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0104901A2 (en) * | 1982-09-24 | 1984-04-04 | Mita Industrial Co. Ltd. | Method and apparatus for adjusting toner concentration of two-component type developer |
| EP0117088A2 (en) * | 1983-02-01 | 1984-08-29 | Ds Holdings, Inc. | Toner system |
-
1979
- 1979-06-22 JP JP7956979A patent/JPS564166A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0104901A2 (en) * | 1982-09-24 | 1984-04-04 | Mita Industrial Co. Ltd. | Method and apparatus for adjusting toner concentration of two-component type developer |
| EP0117088A2 (en) * | 1983-02-01 | 1984-08-29 | Ds Holdings, Inc. | Toner system |
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