JPS61101766U - - Google Patents
Info
- Publication number
- JPS61101766U JPS61101766U JP18743084U JP18743084U JPS61101766U JP S61101766 U JPS61101766 U JP S61101766U JP 18743084 U JP18743084 U JP 18743084U JP 18743084 U JP18743084 U JP 18743084U JP S61101766 U JPS61101766 U JP S61101766U
- Authority
- JP
- Japan
- Prior art keywords
- fixed magnet
- magnet roll
- magnetic
- sleeve
- center
- 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
- 230000004907 flux Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Landscapes
- Magnetic Brush Developing In Electrophotography (AREA)
Description
第１図は一成分磁性トナーを使用した一成分現
像装置の概略構成断面図、第２図は当該角θの位
置を示す説明図である。
１：光導電性ドラム、２：静電潜像、３：ホツ
パー、４：一成分系磁性トナー、５：固定磁石ロ
ール、６：スリーブ、７：規制ブレード、８：交
流電源、９：直流電源。
FIG. 1 is a schematic sectional view of a one-component developing device using one-component magnetic toner, and FIG. 2 is an explanatory diagram showing the position of the angle θ. 1: Photoconductive drum, 2: Electrostatic latent image, 3: Hopper, 4: One-component magnetic toner, 5: Fixed magnet roll, 6: Sleeve, 7: Regulating blade, 8: AC power supply, 9: DC power supply .
Claims (1)
の磁極を有する固定磁石ロールと、該固定磁石ロ
ールの周囲に回転自在に支承された非磁性円筒状
のスリーブと、該スリーブに圧接して設けられス
リーブ上の付着トナー量を規制する規制ブレード
とからなる現像装置において、前記の規制ブレー
ドとスリーブの接点と固定磁石ロールの中心を結
ぶ線分と、該接点に最近接する固定磁石ロールの
磁極の中心と固定磁石ロールの中心を結ぶ線分と
がなす角をθとするとき、 ｜θ｜≦５° となるように設定すると共に、固定磁石ロールの
前記の磁極の表面磁束密度を３００乃至１３００
ガウスとしたことを特徴とする一成分現像装置。[Claims for Utility Model Registration] A hopper containing one-component magnetic toner, a fixed magnet roll having a plurality of magnetic poles, a non-magnetic cylindrical sleeve rotatably supported around the fixed magnet roll, In a developing device comprising a regulation blade that is provided in pressure contact with the sleeve and regulates the amount of toner adhering to the sleeve, a line segment connecting the contact point between the regulation blade and the sleeve and the center of the fixed magnet roll, and a line segment closest to the contact point When the angle formed by the center of the magnetic pole of the fixed magnet roll and the line segment connecting the center of the fixed magnet roll is θ, it is set so that |θ|≦5°, and the surface of the magnetic pole of the fixed magnet roll is Magnetic flux density from 300 to 1300
A one-component developing device characterized by Gaussian.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18743084U JPS61101766U (en) | 1984-12-12 | 1984-12-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18743084U JPS61101766U (en) | 1984-12-12 | 1984-12-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61101766U true JPS61101766U (en) | 1986-06-28 |
Family
ID=30744895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18743084U Pending JPS61101766U (en) | 1984-12-12 | 1984-12-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61101766U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003091743A1 (en) * | 2002-04-26 | 2003-11-06 | Kabushiki Kaisha Toshiba | Method for diagnosing deterioration of coil and system for diagnosing deterioration of coil |
-
1984
- 1984-12-12 JP JP18743084U patent/JPS61101766U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003091743A1 (en) * | 2002-04-26 | 2003-11-06 | Kabushiki Kaisha Toshiba | Method for diagnosing deterioration of coil and system for diagnosing deterioration of coil |
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