JPH01160463U - - Google Patents
Info
- Publication number
- JPH01160463U JPH01160463U JP5567688U JP5567688U JPH01160463U JP H01160463 U JPH01160463 U JP H01160463U JP 5567688 U JP5567688 U JP 5567688U JP 5567688 U JP5567688 U JP 5567688U JP H01160463 U JPH01160463 U JP H01160463U
- Authority
- JP
- Japan
- Prior art keywords
- permanent magnet
- magnet member
- sleeve
- rotating shaft
- hollow cylindrical
- 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
- 238000009423 ventilation Methods 0.000 claims description 2
- 239000000696 magnetic material Substances 0.000 claims 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縦断面正面
図、第２図は従来のマグネツトロールを示す要部
縦断面図である。
１：永久磁石部材、６：スリーブ、８：通気孔
。
FIG. 1 is a longitudinal sectional front view of the main part showing an embodiment of the present invention, and FIG. 2 is a longitudinal sectional view of the main part showing a conventional magnet roll. 1: Permanent magnet member, 6: Sleeve, 8: Ventilation hole.
Claims (1)
固着してなる永久磁石部材の外方に、非磁性材料
により中空円筒状に形成したスリーブを軸受を介
して前記永久磁石部材と相対回転自在に設けてな
るマグネツトロールにおいて、永久磁石部材の回
転軸に通気孔を設けてスリーブ内の空間と外気と
を連通させたことを特徴とするマグネツトロール
。 A hollow cylindrical sleeve made of non-magnetic material is placed on the outside of a permanent magnet member having a plurality of magnetic poles on its outer circumferential surface and a rotating shaft fixed to the center thereof, and the sleeve is placed in a hollow cylindrical shape using a bearing to rotate relative to the permanent magnet member. A magnet roll that can be freely installed, characterized in that a ventilation hole is provided in the rotating shaft of a permanent magnet member to communicate the space inside the sleeve with the outside air.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5567688U JPH01160463U (en) | 1988-04-25 | 1988-04-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5567688U JPH01160463U (en) | 1988-04-25 | 1988-04-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01160463U true JPH01160463U (en) | 1989-11-07 |
Family
ID=31281580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5567688U Pending JPH01160463U (en) | 1988-04-25 | 1988-04-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01160463U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1569048A2 (en) * | 2004-02-27 | 2005-08-31 | Canon Kabushiki Kaisha | Image forming appartus having temperature sensing element for sensing temperature of recording material |
-
1988
- 1988-04-25 JP JP5567688U patent/JPH01160463U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1569048A2 (en) * | 2004-02-27 | 2005-08-31 | Canon Kabushiki Kaisha | Image forming appartus having temperature sensing element for sensing temperature of recording material |
| EP1569048A3 (en) * | 2004-02-27 | 2009-07-22 | Canon Kabushiki Kaisha | Image forming appartus having temperature sensing element for sensing temperature of recording material |