JPH02146657U - - Google Patents
Info
- Publication number
- JPH02146657U JPH02146657U JP5436189U JP5436189U JPH02146657U JP H02146657 U JPH02146657 U JP H02146657U JP 5436189 U JP5436189 U JP 5436189U JP 5436189 U JP5436189 U JP 5436189U JP H02146657 U JPH02146657 U JP H02146657U
- Authority
- JP
- Japan
- Prior art keywords
- control electrode
- corona discharge
- charged
- scorotron
- masking
- 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
- 230000000873 masking effect Effects 0.000 claims description 4
- 238000003491 array Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Landscapes
- Electrostatic Charge, Transfer And Separation In Electrography (AREA)
Description
第１図は本考案コロナ帯電器を適用した電子写
真記録装置の概略側断面図。第２図は本考案にお
けるスコロトロン制御電極パターン形状を示す図
。第３図は、第１表に示す制御電極パターンを用
いてのスコロトロン放電電極印加電流と被帯電部
材表面電位の関係を示す図。
１…コロナ帯電器、２…感光ドラム、３…露光
器、４…現像器、５…トナー、６…転写紙、７…
分離ローラー、８…転送ローラー、９…転写用コ
ロナ帯電器、１０…搬送ガイド、１１…搬送ロー
ラー、１２…クリーニング部材、１３…イレーサ
ー、１４…定着器、１５…制御電極、１６…マス
キング線幅、１７…マスキング間開口幅、１８…
斜め補強線。
FIG. 1 is a schematic side sectional view of an electrophotographic recording device to which the corona charger of the present invention is applied. FIG. 2 is a diagram showing the shape of the scorotron control electrode pattern in the present invention. FIG. 3 is a diagram showing the relationship between the current applied to the scorotron discharge electrode and the surface potential of the charged member using the control electrode pattern shown in Table 1. 1...Corona charger, 2...Photosensitive drum, 3...Exposure device, 4...Developer, 5...Toner, 6...Transfer paper, 7...
Separation roller, 8... Transfer roller, 9... Transfer corona charger, 10... Conveyance guide, 11... Conveyance roller, 12... Cleaning member, 13... Eraser, 14... Fixing device, 15... Control electrode, 16... Masking line width , 17...Masking opening width, 18...
Diagonal reinforcement line.
Claims (1)
ロナ放電を受ける被帯電部材との間に設けられ、
被帯電部材の表面電位を制御する制御電極を有し
該制御電極を取り付けるハウジング開口幅が８〜
１２mmとなるスコロトロンにおいて、 前記被帯電部材表面と制御電極の被帯電部材側
表面との距離ＡがＡ≦２．５mmとなり 前記制御電極の周方向におけるマスキング線幅
ＢがＢ≦０．５mmであり 更にマスキング間閉口幅Ｃとの関係が（Ｃ−Ｂ
）≦０．６mm範囲に設定されたことを特徴とする
スコロトロン。 (2) 上記制御電極が平行線列状のものであるこ
とを特徴とする請求項１記載のスコロトロン。[Claims for Utility Model Registration] (1) A corona discharge electrode provided between the corona discharge electrode and a member to be charged that receives corona discharge,
The housing has a control electrode for controlling the surface potential of the charged member, and the housing opening width to which the control electrode is attached is 8 to 8.
In a scorotron with a diameter of 12 mm, the distance A between the surface of the charged member and the surface of the control electrode on the charged member side is A≦2.5 mm, and the masking line width B in the circumferential direction of the control electrode is B≦0.5 mm. Furthermore, the relationship with the closing width C between masking is (C-B
)≦0.6mm range. (2) The scorotron according to claim 1, wherein the control electrodes are arranged in parallel line arrays.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5436189U JPH02146657U (en) | 1989-05-11 | 1989-05-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5436189U JPH02146657U (en) | 1989-05-11 | 1989-05-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02146657U true JPH02146657U (en) | 1990-12-12 |
Family
ID=31576359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5436189U Pending JPH02146657U (en) | 1989-05-11 | 1989-05-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02146657U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102707600A (en) * | 2011-03-28 | 2012-10-03 | 富士施乐株式会社 | Charging device, image forming apparatus, and potential control plate |
-
1989
- 1989-05-11 JP JP5436189U patent/JPH02146657U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102707600A (en) * | 2011-03-28 | 2012-10-03 | 富士施乐株式会社 | Charging device, image forming apparatus, and potential control plate |
| JP2012203364A (en) * | 2011-03-28 | 2012-10-22 | Fuji Xerox Co Ltd | Charger, image forming apparatus and potential control plate |
| CN102707600B (en) * | 2011-03-28 | 2016-03-09 | 富士施乐株式会社 | Charging device, image processing system and potential control plate |