JPH0481167U - - Google Patents
Info
- Publication number
- JPH0481167U JPH0481167U JP12602890U JP12602890U JPH0481167U JP H0481167 U JPH0481167 U JP H0481167U JP 12602890 U JP12602890 U JP 12602890U JP 12602890 U JP12602890 U JP 12602890U JP H0481167 U JPH0481167 U JP H0481167U
- Authority
- JP
- Japan
- Prior art keywords
- permanent magnet
- magnet member
- cylindrical recess
- shaft
- flange
- 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
- 230000005294 ferromagnetic effect Effects 0.000 claims 1
- 230000005291 magnetic effect Effects 0.000 claims 1
- 239000000696 magnetic material Substances 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
- 239000000843 powder Substances 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 229920005992 thermoplastic resin Polymers 0.000 claims 1
Landscapes
- Magnetic Brush Developing In Electrophotography (AREA)
Description
第1図a,bは各々本考案の実施例を示す中間
部省略要部縦断面図、第2図は本考案の他の実施
例における永久磁石部材を示す要部縦断面図、第
3図は従来のマグネツトロールの例を示す中間部
省略要部縦断面図である。
1……永久磁石部材、1a,1c,2……シヤ
フト、1b……円筒状凹部、3……平板状フラン
ジ、4……シヤフト付フランジ。
Figures 1a and b are longitudinal cross-sectional views of essential parts, with the intermediate part omitted, showing embodiments of the present invention, Figure 2 is longitudinal cross-sectional views of essential parts, showing permanent magnet members in other embodiments of the present invention, and Figure 3. 1 is a vertical cross-sectional view of a main part of an example of a conventional magnet roll, with the middle part omitted. 1... Permanent magnet member, 1a, 1c, 2... Shaft, 1b... Cylindrical recess, 3... Flat flange, 4... Flange with shaft.
Claims (1)
なる永久磁石部材を配置し、非磁性材料により中
空円筒状に形成したスリーブを両端部に設けたフ
ランジを介して前記永久磁石部材の回りに配置し
てなるマグネツトロールにおいて、永久磁石部材
を強磁性粉末と熱可塑性樹脂とを主体とする材料
により中実円柱状に形成し、この永久磁石部材の
一方の端部に一体成形によるシヤフトを突設する
と共に、他方の端部に同軸的に円筒状凹部を設け
、前記一方の端部に平板状フランジを、他方の端
部に前記円筒状凹部と係合するシヤフト付フラン
ジを設けたことを特徴とするマグネツトロール。 A permanent magnet member having a plurality of magnetic poles extending in the axial direction is arranged on the outer peripheral surface, and a hollow cylindrical sleeve made of non-magnetic material is inserted around the permanent magnet member via flanges provided at both ends. In the magnet roll, the permanent magnet member is formed into a solid cylinder shape from a material mainly composed of ferromagnetic powder and thermoplastic resin, and an integrally molded shaft is provided at one end of the permanent magnet member. A cylindrical recess is coaxially provided at the other end, a flat flange is provided at the one end, and a flange with a shaft is provided at the other end to engage with the cylindrical recess. A magnet troll featuring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12602890U JPH0481167U (en) | 1990-11-28 | 1990-11-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12602890U JPH0481167U (en) | 1990-11-28 | 1990-11-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0481167U true JPH0481167U (en) | 1992-07-15 |
Family
ID=31873604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12602890U Pending JPH0481167U (en) | 1990-11-28 | 1990-11-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0481167U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61115304A (en) * | 1984-11-10 | 1986-06-02 | Yamauchi Rubber Ind Co Ltd | Plastic magnet roll |
| JPS6235384A (en) * | 1985-08-08 | 1987-02-16 | Konishiroku Photo Ind Co Ltd | Developing roller |
-
1990
- 1990-11-28 JP JP12602890U patent/JPH0481167U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61115304A (en) * | 1984-11-10 | 1986-06-02 | Yamauchi Rubber Ind Co Ltd | Plastic magnet roll |
| JPS6235384A (en) * | 1985-08-08 | 1987-02-16 | Konishiroku Photo Ind Co Ltd | Developing roller |