JPH0356953U - - Google Patents
Info
- Publication number
- JPH0356953U JPH0356953U JP11888589U JP11888589U JPH0356953U JP H0356953 U JPH0356953 U JP H0356953U JP 11888589 U JP11888589 U JP 11888589U JP 11888589 U JP11888589 U JP 11888589U JP H0356953 U JPH0356953 U JP H0356953U
- Authority
- JP
- Japan
- Prior art keywords
- developer
- permanent magnet
- developing device
- sleeve
- detection surface
- 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 description 4
- 238000004140 cleaning Methods 0.000 claims description 3
- 239000000696 magnetic material Substances 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
Landscapes
- Dry Development In Electrophotography (AREA)
Description
第１図は本考案の実施例を示す要部横断面図、
第２図は第１図におけるＡ−Ａ線要部断面図であ
る。
４……スリーブ、５……永久磁石部材、７……
スクリユー、８ａ……検出面、９……クリーニン
グ部材。
FIG. 1 is a cross-sectional view of main parts showing an embodiment of the present invention;
FIG. 2 is a sectional view of the main part taken along the line A-A in FIG. 1. 4...Sleeve, 5...Permanent magnet member, 7...
Screw, 8a...detection surface, 9...cleaning 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、可動
部材の検出面と対向する外周に永久磁石からなる
クリーニング部材を設け、クリーニング部材およ
び現像剤によつて形成される磁気ブラシによりト
ナー濃度センサの検出面をクリーニングするよう
に構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 which accommodates a mixed developer and is provided with a movable member for mixing the developer, a toner concentration sensor that supports the sleeve and the permanent magnet member, and has a detection surface facing the developer, a movable developing device is provided. A cleaning member made of a permanent magnet is provided on the outer periphery facing the detection surface of the member, and the detection surface of the toner concentration sensor is configured to be cleaned by a magnetic brush formed by the cleaning member and the developer. Developing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11888589U JPH0356953U (en) | 1989-10-11 | 1989-10-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11888589U JPH0356953U (en) | 1989-10-11 | 1989-10-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0356953U true JPH0356953U (en) | 1991-05-31 |
Family
ID=31667028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11888589U Pending JPH0356953U (en) | 1989-10-11 | 1989-10-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0356953U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018205397A (en) * | 2017-05-31 | 2018-12-27 | 京セラドキュメントソリューションズ株式会社 | Waste developer recovery device, and image forming apparatus including the same |
-
1989
- 1989-10-11 JP JP11888589U patent/JPH0356953U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018205397A (en) * | 2017-05-31 | 2018-12-27 | 京セラドキュメントソリューションズ株式会社 | Waste developer recovery device, and image forming apparatus including the same |