JPS6343151U - - Google Patents
Info
- Publication number
- JPS6343151U JPS6343151U JP13764386U JP13764386U JPS6343151U JP S6343151 U JPS6343151 U JP S6343151U JP 13764386 U JP13764386 U JP 13764386U JP 13764386 U JP13764386 U JP 13764386U JP S6343151 U JPS6343151 U JP S6343151U
- Authority
- JP
- Japan
- Prior art keywords
- corona discharge
- discharge electrode
- shield body
- opening
- charging
- 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
Landscapes
- Electrostatic Charge, Transfer And Separation In Electrography (AREA)
Description
第１図は本考案の帯電時の状態を説明する模式
図であり、第２図は同じく像間時の状態を説明す
る模式図である。第３図は本考案の一実施例を示
す一部欠如側面図である。第４図は本案による実
施例による排気用開口部の風速を測定する実験装
置の説明図でであり、第５図は同実験効果を示す
グラフである。
１，１′…シールド板（導電性シールド本体）
、２…コロナ放電ワイヤー（コロナ放電電極）、
３…グリツド、４…電極板、５…帯電用開口部、
６…活性ガス排気用開口部、７…感光体、８…ス
コロトロン型帯電装置（電子写真機器用帯電装置
）、１１，１１′…バネ（弾性部材）、１６，１
６′…リンク、２０，２０′…コロ。
FIG. 1 is a schematic diagram illustrating the charging state of the present invention, and FIG. 2 is a schematic diagram illustrating the image-to-image state. FIG. 3 is a partially cutaway side view showing an embodiment of the present invention. FIG. 4 is an explanatory diagram of an experimental device for measuring the wind speed of an exhaust opening according to an embodiment of the present invention, and FIG. 5 is a graph showing the experimental effects. 1, 1'...Shield plate (conductive shield body)
, 2...Corona discharge wire (corona discharge electrode),
3... Grid, 4... Electrode plate, 5... Charging opening,
6... Opening for active gas exhaust, 7... Photoreceptor, 8... Scorotron type charging device (charging device for electrophotographic equipment), 11, 11'... Spring (elastic member), 16, 1
6'...Link, 20,20'...Koro.
Claims (1)
光体と対向する帯電用開口部および該帯電用開口
部と離れた位置に設けられた活性ガス排気用開口
部を有する導電性のシールド本体と、該シールド
本体の内側中央部に該シールド本体と電気絶縁的
に張設されたコロナ放電電極と、該帯電用開口部
に該シールド本体と電気絶縁的に張架されたグリ
ツドとからなる電子写真機器用帯電装置において
、 該シールド本体は、該活性ガス排気用開口部内
に位置し、該コロナ放電電極に近接した位置と該
コロナ放電電極から遠ざかつた位置間を移動可能
に保持される電極板を有するとともに、該電極板
が該コロナ放電電極に近接した位置と該コロナ放
電電極から遠ざかつた位置間を移動するよう駆動
する駆動部材を具備することを特徴とする電子写
真機器用帯電装置。 (2) 上記駆動部材は、上記電極板を押圧する少
なくとも２つの部分と、該押圧に抗して該電極板
を圧する弾性部材とで構成された実用新案登録請
求の範囲第１項記載の電子写真機器用帯電装置。[Claims for Utility Model Registration] (1) A charging opening held at a predetermined position near the photoreceptor and facing the photoreceptor, and an active gas exhaust device provided at a position away from the charging opening. a conductive shield body having an opening; a corona discharge electrode that is electrically insulated from the shield body at the center inside the shield body; and a corona discharge electrode that is electrically insulated from the shield body at the charging opening. In a charging device for electrophotographic equipment comprising a stretched grid, the shield body is located within the active gas exhaust opening, and is located between a position close to the corona discharge electrode and a position remote from the corona discharge electrode. It has an electrode plate movably held, and a driving member that drives the electrode plate to move between a position close to the corona discharge electrode and a position away from the corona discharge electrode. A charging device for electrophotographic equipment. (2) The electronic device according to claim 1, wherein the driving member is composed of at least two parts that press the electrode plate and an elastic member that presses the electrode plate against the pressure. Charging device for photographic equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13764386U JPS6343151U (en) | 1986-09-08 | 1986-09-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13764386U JPS6343151U (en) | 1986-09-08 | 1986-09-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6343151U true JPS6343151U (en) | 1988-03-23 |
Family
ID=31041889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13764386U Pending JPS6343151U (en) | 1986-09-08 | 1986-09-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6343151U (en) |
-
1986
- 1986-09-08 JP JP13764386U patent/JPS6343151U/ja active Pending
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