JPS63115157U - - Google Patents
Info
- Publication number
- JPS63115157U JPS63115157U JP664687U JP664687U JPS63115157U JP S63115157 U JPS63115157 U JP S63115157U JP 664687 U JP664687 U JP 664687U JP 664687 U JP664687 U JP 664687U JP S63115157 U JPS63115157 U JP S63115157U
- Authority
- JP
- Japan
- Prior art keywords
- sleeve
- magnetic
- permanent magnet
- magnet member
- image
- 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
- 239000000696 magnetic material Substances 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Magnetic Brush Developing In Electrophotography (AREA)
Description
第１図は本考案の実施例を示す要部横断面図、
第２図は現像域のトナー濃度と時間との関係を示
す図である。
１：現像剤槽、３：永久磁石部材、４：スリー
ブ、６：画像担体。
FIG. 1 is a cross-sectional view of main parts showing an embodiment of the present invention;
FIG. 2 is a diagram showing the relationship between the toner concentration in the developing area and time. 1: Developer tank, 3: Permanent magnet member, 4: Sleeve, 6: Image carrier.
Claims (1)
自在に設け、この画像担体と対向して配置し、か
つ内部に複数個の磁極を設けた永久磁石部材を備
えた、非磁性材料からなる中空円筒状に形成した
スリーブを現像剤槽に臨ませて回転自在に設け、
このスリーブ上に磁性キヤリアと磁性トナーとを
混合してなる現像剤を供給し、前記スリーブの回
転によりスリーブ上に形成した磁気ブラシを前記
画像担体表面に摺擦して前記静電荷像を現像する
静電荷像現像装置において、前記現像剤槽にスリ
ーブを介して臨む永久磁石部材の磁極数を３個以
上配設したことを特徴とする静電荷像現像装置。 (2) 永久磁石部材の横断面形状が円形である実
用新案登録請求の範囲第１項記載の静電荷像現像
装置。[Claims for Utility Model Registration] (1) A permanent magnet member having a movable image carrier with an electrostatic charge image formed on its surface, disposed facing the image carrier, and having a plurality of magnetic poles inside. A hollow cylindrical sleeve made of non-magnetic material is rotatably provided facing the developer tank.
A developer made of a mixture of a magnetic carrier and a magnetic toner is supplied onto the sleeve, and as the sleeve rotates, a magnetic brush formed on the sleeve is rubbed against the surface of the image carrier to develop the electrostatic image. An electrostatic image developing device, characterized in that a permanent magnet member facing the developer tank through a sleeve has three or more magnetic poles. (2) The electrostatic image developing device according to claim 1, wherein the permanent magnet member has a circular cross-sectional shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP664687U JPS63115157U (en) | 1987-01-20 | 1987-01-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP664687U JPS63115157U (en) | 1987-01-20 | 1987-01-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63115157U true JPS63115157U (en) | 1988-07-25 |
Family
ID=30789359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP664687U Pending JPS63115157U (en) | 1987-01-20 | 1987-01-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63115157U (en) |
-
1987
- 1987-01-20 JP JP664687U patent/JPS63115157U/ja active Pending
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