JPH02131762U - - Google Patents
Info
- Publication number
- JPH02131762U JPH02131762U JP4090289U JP4090289U JPH02131762U JP H02131762 U JPH02131762 U JP H02131762U JP 4090289 U JP4090289 U JP 4090289U JP 4090289 U JP4090289 U JP 4090289U JP H02131762 U JPH02131762 U JP H02131762U
- Authority
- JP
- Japan
- Prior art keywords
- roller
- brush
- bias
- collection roller
- collection
- 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
- 238000004140 cleaning Methods 0.000 claims description 2
- 239000000835 fiber Substances 0.000 claims 2
- 230000002093 peripheral effect Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Landscapes
- Cleaning In Electrography (AREA)
Description
第１図ａ及びｂは本考案によるブラシクリーニ
ング装置の一例の構成を示す線図、第２図はブラ
シ部材の構成を示す斜視図、第３図はブラシ部材
の変形例の構成を示す断面図である。
１……ブラシローラ、２……感光ドラム、３…
…回収ローラ、４……スクレーパ、５……ハウジ
ング、７……ブラシ部材、１０……支持部材、１
１……針。
1A and 1B are diagrams showing the structure of an example of the brush cleaning device according to the present invention, FIG. 2 is a perspective view showing the structure of the brush member, and FIG. 3 is a sectional view showing the structure of a modified example of the brush member. It is. 1... Brush roller, 2... Photosensitive drum, 3...
...Recovery roller, 4...Scraper, 5...Housing, 7...Brush member, 10...Support member, 1
1...needle.
Claims (1)
ーラと、このブラシローラと対向して接触配置さ
れている導電性の回収ローラと、これらブラシロ
ーラ及び回収ローラを回転駆動させるための駆動
装置と、回収ローラに当接し、回収ローラの外周
面に付着したトナーをかき落すスクレーパと、前
記ブラシローラに接続され、トナーの帯電極性と
反対極性のバイアスをブラシローラに印加する第
１のバイアス源と、前記回収ローラに接続され、
第１のバイアス源と同極性であつて第１のバイア
ス源より大きなバイアスを回収ローラに印加する
第２のバイアス源と、前記ブラシローラの導電性
繊維と当接配置され、多数の針が植設されている
ブラシ部材とを具え、前記ブラシ部材によりブラ
シローラの導電性繊維が梳かれるように構成した
ことを特徴とするブラシクリーニング装置。 A brush roller having conductive fibers implanted on its outer peripheral surface, a conductive collection roller disposed opposite to and in contact with the brush roller, and a drive device for rotationally driving the brush roller and the collection roller. a scraper that comes into contact with the collection roller and scrapes off toner adhering to the outer peripheral surface of the collection roller; and a first bias source that is connected to the brush roller and applies a bias having a polarity opposite to the charged polarity of the toner to the brush roller. , connected to the collection roller;
a second bias source that applies a bias of the same polarity as the first bias source and larger than the first bias source to the collection roller; A brush cleaning device comprising: a brush member provided therein, the brush member combing the conductive fibers of the brush roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4090289U JPH02131762U (en) | 1989-04-10 | 1989-04-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4090289U JPH02131762U (en) | 1989-04-10 | 1989-04-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02131762U true JPH02131762U (en) | 1990-11-01 |
Family
ID=31551099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4090289U Pending JPH02131762U (en) | 1989-04-10 | 1989-04-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02131762U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008070518A (en) * | 2006-09-13 | 2008-03-27 | Canon Inc | Rubbing device and image forming apparatus |
-
1989
- 1989-04-10 JP JP4090289U patent/JPH02131762U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008070518A (en) * | 2006-09-13 | 2008-03-27 | Canon Inc | Rubbing device and image forming apparatus |