JPH0386373U - - Google Patents
Info
- Publication number
- JPH0386373U JPH0386373U JP14720789U JP14720789U JPH0386373U JP H0386373 U JPH0386373 U JP H0386373U JP 14720789 U JP14720789 U JP 14720789U JP 14720789 U JP14720789 U JP 14720789U JP H0386373 U JPH0386373 U JP H0386373U
- Authority
- JP
- Japan
- Prior art keywords
- stirring
- toner concentration
- developer
- concentration detector
- roller
- 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.)
- Granted
Links
- 238000003756 stirring Methods 0.000 claims description 11
- 230000000737 periodic effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Dry Development In Electrophotography (AREA)
Description
第１図は本考案の一実施例を示す現像装置にお
いてトナー濃度検出器の取付位置を示す図、第２
図は同じくその撹拌ローラの斜視図、第３図は現
像装置の断面図、第４図は従来の現像装置におい
てトナー濃度検出器の取付位置を示す図である、
１２……現像槽、１５……撹拌ローラ、１９…
…トナー濃度検出器、２０……撹拌軸、２１……
撹拌羽根。
FIG. 1 is a diagram showing the mounting position of a toner concentration detector in a developing device showing an embodiment of the present invention, and FIG.
The figure is a perspective view of the stirring roller, FIG. 3 is a sectional view of the developing device, and FIG. 4 is a diagram showing the mounting position of the toner concentration detector in the conventional developing device. 12...Developer tank, 15... ...Stirring roller, 19...
...Toner concentration detector, 20...Stirring shaft, 21...
stirring blade.
Claims (1)
撹拌ローラと、該撹拌ローラに近接して配され現
像槽内のトナー濃度を検出するトナー濃度検出器
とを備えた現像装置において、前記撹拌ローラは
、前記現像槽に回転自在に支持された撹拌軸と、
該撹拌軸に傾斜して外嵌固定された複数の撹拌羽
根とから構成され、該撹拌羽根と撹拌羽根との中
間で、現像剤の周期移動が小さい位置に前記トナ
ー濃度検出器が取り付けられたことを特徴とする
現像装置。 In a developing device including, in a developing tank, a stirring roller that stirs and mixes toner and developer, and a toner concentration detector that is disposed close to the stirring roller and detects the toner concentration in the developing tank. The roller includes a stirring shaft rotatably supported by the developer tank;
The toner concentration detector is comprised of a plurality of stirring blades that are externally fitted and fixed at an angle to the stirring shaft, and the toner concentration detector is installed at a position between the stirring blades, where the periodic movement of the developer is small. A developing device characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989147207U JP2532762Y2 (en) | 1989-12-20 | 1989-12-20 | Developing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989147207U JP2532762Y2 (en) | 1989-12-20 | 1989-12-20 | Developing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0386373U true JPH0386373U (en) | 1991-08-30 |
| JP2532762Y2 JP2532762Y2 (en) | 1997-04-16 |
Family
ID=31693736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989147207U Expired - Fee Related JP2532762Y2 (en) | 1989-12-20 | 1989-12-20 | Developing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2532762Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0177650U (en) * | 1987-11-11 | 1989-05-25 |
-
1989
- 1989-12-20 JP JP1989147207U patent/JP2532762Y2/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0177650U (en) * | 1987-11-11 | 1989-05-25 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2532762Y2 (en) | 1997-04-16 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |