JPH0283554U - - Google Patents
Info
- Publication number
- JPH0283554U JPH0283554U JP16377188U JP16377188U JPH0283554U JP H0283554 U JPH0283554 U JP H0283554U JP 16377188 U JP16377188 U JP 16377188U JP 16377188 U JP16377188 U JP 16377188U JP H0283554 U JPH0283554 U JP H0283554U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- roll
- magnetic force
- magnetic roll
- width
- 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
- 238000000034 method Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Magnetic Brush Developing In Electrophotography (AREA)
Description
第１図は本考案の電子写真方式を用いた印刷装
置の現像装置の現像用磁気ロールの磁極の磁力分
布曲線を示す図、第２図は従来の現像装置の現像
用磁気ロールの磁極の磁力分布線を示した図であ
る。
１……磁気ロール、２……光導電体ドラム、３
……磁力分布曲線、４……垂線。
Fig. 1 is a diagram showing the magnetic force distribution curve of the magnetic pole of the developing magnetic roll of the developing device of a printing apparatus using the electrophotographic method of the present invention, and Fig. 2 is a diagram showing the magnetic force of the magnetic pole of the developing magnetic roll of the conventional developing device. It is a figure showing a distribution line. 1...Magnetic roll, 2...Photoconductor drum, 3
...Magnetic force distribution curve, 4...Perpendicular line.
Claims (1)
気ロールにおいて、前記磁気ロールの磁極の磁力
の最大値がａで、前記磁力が０．８ａの光導電体
ドラム表面における磁力分布曲線の幅がＳであり
、幅Ｓなる部分より前記磁気ロール外周に垂線を
引いたときの交点と前記磁気ロールの中心とのな
す角をαとしたとき、α＞３０°である条件を満
足する構成としてあることを特徴とする電子写真
方式を用いた印刷装置の現像装置。 In a magnetic roll for a developing device of a printing apparatus using an electrophotographic method, the maximum value of the magnetic force of the magnetic pole of the magnetic roll is a, and the width of the magnetic force distribution curve on the surface of the photoconductor drum with the magnetic force of 0.8a is S. and the configuration satisfies the condition that α>30°, where α is the angle formed by the center of the magnetic roll and the intersection point when a perpendicular line is drawn from the width S to the outer periphery of the magnetic roll. A developing device for a printing device using an electrophotographic method, characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16377188U JPH0283554U (en) | 1988-12-16 | 1988-12-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16377188U JPH0283554U (en) | 1988-12-16 | 1988-12-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0283554U true JPH0283554U (en) | 1990-06-28 |
Family
ID=31448792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16377188U Pending JPH0283554U (en) | 1988-12-16 | 1988-12-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0283554U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6324268A (en) * | 1986-07-16 | 1988-02-01 | Minolta Camera Co Ltd | Developing device |
-
1988
- 1988-12-16 JP JP16377188U patent/JPH0283554U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6324268A (en) * | 1986-07-16 | 1988-02-01 | Minolta Camera Co Ltd | Developing device |