JPH0248970U - - Google Patents
Info
- Publication number
- JPH0248970U JPH0248970U JP12847788U JP12847788U JPH0248970U JP H0248970 U JPH0248970 U JP H0248970U JP 12847788 U JP12847788 U JP 12847788U JP 12847788 U JP12847788 U JP 12847788U JP H0248970 U JPH0248970 U JP H0248970U
- Authority
- JP
- Japan
- Prior art keywords
- magnet
- flat part
- rolled
- troll
- axial direction
- 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
- 238000010586 diagram Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
Landscapes
- Magnetic Brush Developing In Electrophotography (AREA)
Description
第１図は本考案マグネツトロールの横断面図、
第２図は同じマグネツトロールの縦断面図、第３
図は磁気ブラシ現像機構の断面図、第４図は磁束
密度分布図、第５図は第２実施例のマグネツトロ
ールの横断面図、第６図は従来のマグネツトロー
ルの横断面図である。
４；ロール状磁石、４ａ；平面部、５；永久磁
石。
Figure 1 is a cross-sectional view of the magnet roll of the present invention.
Figure 2 is a longitudinal cross-sectional view of the same magnet roll;
The figure is a cross-sectional view of the magnetic brush developing mechanism, Figure 4 is a magnetic flux density distribution diagram, Figure 5 is a cross-sectional view of the magnet roll of the second embodiment, and Figure 6 is a cross-sectional view of a conventional magnet roll. be. 4: Rolled magnet, 4a: Plane portion, 5: Permanent magnet.
Claims (1)
するように断面略Ｄ字形に形成し、ロール状磁石
の平面部に、平面部より幅狭の角柱状の永久磁石
を固定したことを特徴とするマグネツトロール。 A rolled magnet is formed into a substantially D-shaped cross section with a flat part parallel to the axial direction, and a prismatic permanent magnet having a width narrower than the flat part is fixed to the flat part of the rolled magnet. Magnet Troll.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12847788U JPH0248970U (en) | 1988-09-30 | 1988-09-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12847788U JPH0248970U (en) | 1988-09-30 | 1988-09-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0248970U true JPH0248970U (en) | 1990-04-05 |
Family
ID=31381853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12847788U Pending JPH0248970U (en) | 1988-09-30 | 1988-09-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0248970U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011232430A (en) * | 2010-04-26 | 2011-11-17 | Ricoh Co Ltd | Magnet roller, developer carrier, development device, process cartridge, and image forming apparatus |
-
1988
- 1988-09-30 JP JP12847788U patent/JPH0248970U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011232430A (en) * | 2010-04-26 | 2011-11-17 | Ricoh Co Ltd | Magnet roller, developer carrier, development device, process cartridge, and image forming apparatus |
| EP2381318A3 (en) * | 2010-04-26 | 2014-08-27 | Ricoh Company, Ltd. | Magnet roller, developer holder element, process cartridge, and image forming apparatus |
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