JPH0343667U - - Google Patents
Info
- Publication number
- JPH0343667U JPH0343667U JP10510089U JP10510089U JPH0343667U JP H0343667 U JPH0343667 U JP H0343667U JP 10510089 U JP10510089 U JP 10510089U JP 10510089 U JP10510089 U JP 10510089U JP H0343667 U JPH0343667 U JP H0343667U
- Authority
- JP
- Japan
- Prior art keywords
- sleeve
- permanent magnet
- developer
- swash plates
- magnet member
- 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
- 238000001514 detection method Methods 0.000 claims 1
- 239000000696 magnetic material Substances 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
Landscapes
- Magnetic Brush Developing In Electrophotography (AREA)
- Dry Development In Electrophotography (AREA)
Description
第１図は本考案の実施例における可動部材を示
す要部説明図、第２図は本考案の他の実施例を示
す要部横断面図、第３図は従来の現像装置の例を
示す要部横断面図である。
１……現像剤槽、４……スリーブ、５……永久
磁石部材、９……可動部材。
Fig. 1 is an explanatory view of the main parts showing a movable member in an embodiment of the present invention, Fig. 2 is a cross-sectional view of main parts showing another embodiment of the invention, and Fig. 3 shows an example of a conventional developing device. It is a cross-sectional view of the main part. 1... Developer tank, 4... Sleeve, 5... Permanent magnet member, 9... Movable member.
Claims (1)
成したスリーブと、このスリーブ内に介装されか
つ外周面に軸方向に延びる複数個の磁極を設けて
なる永久磁石部材と、磁性キヤリアとトナーとを
混合してなる現像剤を収容すると共に現像剤混合
用の可動部材、前記スリーブおよび永久磁石部材
を支持し、かつ検出面を現像剤に臨ませたトナー
濃度センサを設けてなる現像装置において、スリ
ーブおよび永久磁石部材と平行に設けた回転軸に
、軸方向に複数個の斜板を設けると共に、これら
の斜板をプラスチツク磁石によつて形成しかつ外
周に夫々複数個の磁極を設けて可動部材を形成し
たことを特徴とする現像装置。 A sleeve formed of a non-magnetic material in a hollow cylindrical shape and rotatable; a permanent magnet member interposed within the sleeve and provided with a plurality of magnetic poles extending in the axial direction on the outer peripheral surface; a magnetic carrier; and a toner. In a developing device comprising a toner concentration sensor that accommodates a mixed developer, supports a movable member for mixing the developer, the sleeve and a permanent magnet member, and has a detection surface facing the developer, the sleeve A movable member is formed by providing a plurality of swash plates in the axial direction on a rotating shaft provided parallel to the permanent magnet member, and forming these swash plates from plastic magnets, and providing a plurality of magnetic poles on the outer periphery of each of the swash plates. A developing device characterized by forming:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10510089U JPH0343667U (en) | 1989-09-07 | 1989-09-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10510089U JPH0343667U (en) | 1989-09-07 | 1989-09-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0343667U true JPH0343667U (en) | 1991-04-24 |
Family
ID=31653873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10510089U Pending JPH0343667U (en) | 1989-09-07 | 1989-09-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0343667U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020016833A (en) * | 2018-07-27 | 2020-01-30 | 富士ゼロックス株式会社 | Developing device and image forming apparatus |
-
1989
- 1989-09-07 JP JP10510089U patent/JPH0343667U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020016833A (en) * | 2018-07-27 | 2020-01-30 | 富士ゼロックス株式会社 | Developing device and image forming apparatus |
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