JPH049065U - - Google Patents
Info
- Publication number
- JPH049065U JPH049065U JP4901790U JP4901790U JPH049065U JP H049065 U JPH049065 U JP H049065U JP 4901790 U JP4901790 U JP 4901790U JP 4901790 U JP4901790 U JP 4901790U JP H049065 U JPH049065 U JP H049065U
- Authority
- JP
- Japan
- Prior art keywords
- permanent magnet
- magnet member
- shaft
- magnet
- magnet roll
- 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
- 239000002654 heat shrinkable material Substances 0.000 claims 1
- 239000007769 metal material Substances 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
Landscapes
- Magnetic Brush Developing In Electrophotography (AREA)
Description
第１図は本考案の実施例における永久磁石部材
の拡大側面図、第２図および第３図は各々本考案
の実施例を示す一部断面拡大側面図、第４図は従
来のマグネツトロールを示す一部省略縦断面図で
ある。
１……永久磁石部材、２……シヤフト、８……
チユーブ。
FIG. 1 is an enlarged side view of a permanent magnet member according to an embodiment of the present invention, FIGS. 2 and 3 are enlarged partial cross-sectional side views showing embodiments of the present invention, and FIG. 4 is a conventional magnet roll. It is a partially omitted vertical cross-sectional view showing the. 1... Permanent magnet member, 2... Shaft, 8...
Tube.
Claims (1)
延びる複数個の磁極を設けてなる永久磁石部材と
、金属材料により丸棒状に形成したシヤフトとを
同軸的に嵌着してなるマグネツトロールにおいて
、永久磁石部材をボンド磁石によつて形成すると
共に、横断面に半径方向の不連続部を１箇所設け
、かつ嵌着前の中空穴の内径ｄをｄ＜Ｄ（Ｄはシ
ヤフトの嵌着部における外径）に形成したことを
特徴とするマグネツトロール。 (2) 永久磁石部材の外周に熱収縮性材料からな
るチユーブを被着させた請求項(1)記載のマグネ
ツトロール。[Claims for Utility Model Registration] (1) A permanent magnet member formed into a hollow cylindrical shape and provided with a plurality of magnetic poles extending in the axial direction on the outer peripheral surface and a shaft formed into a round bar shape from a metal material are coaxially connected. In the magnet roll, the permanent magnet member is formed of a bonded magnet, one radial discontinuity is provided in the cross section, and the inner diameter d of the hollow hole before fitting is A magnet roll characterized in that it is formed such that d<D (D is the outer diameter at the fitting portion of the shaft). (2) The magnet roll according to claim (1), wherein a tube made of a heat-shrinkable material is attached to the outer periphery of the permanent magnet member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4901790U JPH049065U (en) | 1990-05-10 | 1990-05-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4901790U JPH049065U (en) | 1990-05-10 | 1990-05-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH049065U true JPH049065U (en) | 1992-01-27 |
Family
ID=31566344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4901790U Pending JPH049065U (en) | 1990-05-10 | 1990-05-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH049065U (en) |
-
1990
- 1990-05-10 JP JP4901790U patent/JPH049065U/ja active Pending