JPH0281548U - - Google Patents
Info
- Publication number
- JPH0281548U JPH0281548U JP16135088U JP16135088U JPH0281548U JP H0281548 U JPH0281548 U JP H0281548U JP 16135088 U JP16135088 U JP 16135088U JP 16135088 U JP16135088 U JP 16135088U JP H0281548 U JPH0281548 U JP H0281548U
- Authority
- JP
- Japan
- Prior art keywords
- developing sleeve
- developing
- magnet
- stopped
- latent image
- 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
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Magnetic Brush Developing In Electrophotography (AREA)
Description
第１図は本考案の現像装置の部分断面図、第２
図は現像スリーブと磁石の回転制御手段を示す模
式図、第３図は本考案の現像装置の動作を示すフ
ローチヤート、第４図は従来の現像装置の部分断
面図である。
１……感光体ドラム、２……現像スリーブ、３
……磁石ローラー、４……ケーシング、１０……
現像スリーブ駆動用モータ、１１，１３……エン
コーダ、１２……磁石ローラー駆動用モータ、１
５……メイン制御盤。
Figure 1 is a partial sectional view of the developing device of the present invention, Figure 2 is a partial sectional view of the developing device of the present invention;
FIG. 3 is a schematic diagram showing the rotation control means for the developing sleeve and magnet, FIG. 3 is a flowchart showing the operation of the developing device of the present invention, and FIG. 4 is a partial sectional view of the conventional developing device. 1...Photosensitive drum, 2...Developing sleeve, 3
...Magnetic roller, 4...Casing, 10...
Developing sleeve drive motor, 11, 13... Encoder, 12... Magnet roller drive motor, 1
5... Main control panel.
Claims (1)
つ回転駆動される現像担持体としての現像スリー
ブと、この現像スリーブ内に、現像スリーブ内周
面と隙間をおいて回転自在に配置された磁石と、
前記現像スリーブをこの現像スリーブの潜像担持
体に対向する部分を露出させて収納し、しかも前
記磁石の磁力によつて前記現像スリーブ上に保持
され、現像スリーブの回転によつて搬送される現
像剤が蓄えられているケーシングとを有している
現像装置において、現像装置始動の際には、現像
スリーブ回転後に磁石を回転させ、現像装置停止
の際には、磁石停止後に現像スリーブを停止させ
る回転制御手段を具備することを特徴とする現像
装置。 A developing sleeve as a developing member which faces the latent image bearing member on which the electrostatic latent image is formed and is rotationally driven; and a developing sleeve rotatably disposed within the developing sleeve with a gap from the inner circumferential surface of the developing sleeve. magnet and
The developing sleeve is housed with a portion of the developing sleeve facing the latent image carrier exposed, and the developing sleeve is held on the developing sleeve by the magnetic force of the magnet and transported by rotation of the developing sleeve. In a developing device having a casing in which a developer is stored, when the developing device is started, the magnet is rotated after the developing sleeve is rotated, and when the developing device is stopped, the developing sleeve is stopped after the magnet is stopped. A developing device comprising rotation control means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16135088U JPH0281548U (en) | 1988-12-13 | 1988-12-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16135088U JPH0281548U (en) | 1988-12-13 | 1988-12-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0281548U true JPH0281548U (en) | 1990-06-22 |
Family
ID=31444207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16135088U Pending JPH0281548U (en) | 1988-12-13 | 1988-12-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0281548U (en) |
-
1988
- 1988-12-13 JP JP16135088U patent/JPH0281548U/ja active Pending
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