JPS6253450U - - Google Patents
Info
- Publication number
- JPS6253450U JPS6253450U JP14486285U JP14486285U JPS6253450U JP S6253450 U JPS6253450 U JP S6253450U JP 14486285 U JP14486285 U JP 14486285U JP 14486285 U JP14486285 U JP 14486285U JP S6253450 U JPS6253450 U JP S6253450U
- Authority
- JP
- Japan
- Prior art keywords
- charger
- roller
- photoreceptor
- belt
- varistor
- 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
- 108091008695 photoreceptors Proteins 0.000 claims description 5
Description
第１図は本考案によるコロナ帯電器の断面図で
あり、第２図はその斜視図、第３図は、第１図に
おける左側部分の拡大図、第４図は本考案による
実施態様例を示す第１図と同様の図、第５図は第
４図の左側部分の平面図、である。
１…コロナ帯電器本体、２…帯電器前側ローラ
、３…帯電器後側ローラ、４，５…案内ローラ、
６…ベルト状感光体、９…導電ブラシ、１０…バ
リスタ、１１…スイツチ。
Fig. 1 is a sectional view of the corona charger according to the present invention, Fig. 2 is a perspective view thereof, Fig. 3 is an enlarged view of the left side portion in Fig. 1, and Fig. 4 is an embodiment of the corona charger according to the present invention. 1, and FIG. 5 is a plan view of the left side portion of FIG. 4. 1... Corona charger main body, 2... Charger front roller, 3... Charger rear roller, 4, 5... Guide roller,
6... Belt-shaped photoreceptor, 9... Conductive brush, 10... Varistor, 11... Switch.
Claims (1)
ベルト状感光体を二つの案内ローラにより裏面よ
り支持案内するとともに、帯電器本体の前後に、
前記案内ローラにベルト状感光体を挟んで相対面
する導電性ローラを設け、前記帯電器前側導電性
ローラは直接接地させ、帯電器後側導電性ローラ
はバリスタを介して接地させたことを特徴とする
コロナ帯電器。 (2) 帯電器後側導電性ローラに接続したバリス
タに、並列にスイツチを設けたことを特徴とする
実用新案登録請求の範囲第１項記載のコロナ帯電
器。 (3) 帯電器後側導電性ローラを横方向に複数本
に分割して設け、感光体の必要帯電巾に相当とす
るローラ部分はバリスタを介して接地させ、不必
要部分に接触しているローラを直接接地させるよ
う構成したことを特徴とする実用新案登録請求の
範囲第１項記載のコロナ帯電器。[Scope of claims for utility model registration] (1) In a copying machine using a belt-shaped photoreceptor,
The belt-shaped photoreceptor is supported and guided from the back side by two guide rollers, and at the front and rear of the charger body.
The guide roller is provided with conductive rollers facing each other across the belt-like photoreceptor, the charger front conductive roller is directly grounded, and the charger rear conductive roller is grounded via a varistor. A corona charger. (2) The corona charger according to claim 1 of the utility model registration, characterized in that a switch is provided in parallel to the varistor connected to the rear conductive roller of the charger. (3) The rear conductive roller of the charger is divided into multiple parts in the horizontal direction, and the part of the roller corresponding to the required charging width of the photoreceptor is grounded via a varistor and is in contact with unnecessary parts. The corona charger according to claim 1, characterized in that the roller is configured to be directly grounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14486285U JPS6253450U (en) | 1985-09-21 | 1985-09-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14486285U JPS6253450U (en) | 1985-09-21 | 1985-09-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6253450U true JPS6253450U (en) | 1987-04-02 |
Family
ID=31055861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14486285U Pending JPS6253450U (en) | 1985-09-21 | 1985-09-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6253450U (en) |
-
1985
- 1985-09-21 JP JP14486285U patent/JPS6253450U/ja active Pending