JPS58138953U - Electrostatic latent image developing device - Google Patents
Electrostatic latent image developing deviceInfo
- Publication number
- JPS58138953U JPS58138953U JP3325782U JP3325782U JPS58138953U JP S58138953 U JPS58138953 U JP S58138953U JP 3325782 U JP3325782 U JP 3325782U JP 3325782 U JP3325782 U JP 3325782U JP S58138953 U JPS58138953 U JP S58138953U
- Authority
- JP
- Japan
- Prior art keywords
- latent image
- electrostatic latent
- developer
- developing member
- developing
- 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
- Developing For Electrophotography (AREA)
- Dry Development In Electrophotography (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図および第２図は本考案装置の現像方法の原理を示
すもので、第１図は現像部材とグリッド部材との間に交
流電圧を加えた場合のトナーの動きを示す模型的断面図
、第２図は第１図に示した状態に潜像保持面が接近した
場合のトナーの動き ２を示す模型的断面図、第３図
は本考案の一実施例を示す現像装置の概略的構成図であ
る。
１・・・静電潜像担持体（電子写真用感光体ドラム）、
２・・・現像装置、ｄ・・・現像剤（非磁性−成分トナ
ー）、４・・・現像部材（現像ローラ）、６・・・グリ
ッド部材（グリッドワイヤ）、７・・・交流電源、８・
・・直流バイアス電源、１０・・・交流電源、１１・・
・直流バイアス電源、１２・・・対向電極、１３・・・
直流電源、１４・・・コロナ発生装置、１５・・・コロ
ナワイヤ、１６・・・直流高圧電源。
第１図Figures 1 and 2 show the principle of the developing method of the device of the present invention, and Figure 1 is a schematic cross-sectional view showing the movement of toner when an AC voltage is applied between the developing member and the grid member. , FIG. 2 is a schematic cross-sectional view showing toner movement 2 when the latent image holding surface approaches the state shown in FIG. 1, and FIG. 3 is a schematic sectional view of a developing device showing an embodiment of the present invention. FIG. 1... Electrostatic latent image carrier (photosensitive drum for electrophotography),
2... Developing device, d... Developer (non-magnetic component toner), 4... Developing member (developing roller), 6... Grid member (grid wire), 7... AC power supply, 8・
...DC bias power supply, 10...AC power supply, 11...
・DC bias power supply, 12... counter electrode, 13...
DC power supply, 14...Corona generator, 15...Corona wire, 16...DC high voltage power supply. Figure 1
Claims (1)
体と、この静電潜像担持体に近接して設けられ現像剤を
表面に担持させる現像部材と、上記静電潜像担持体と現
像部材との間に非接触状態で配置される互いに平行な複
数本のグリッド部材とを有し、上記現像部材およびグリ
ッド部材に直流電圧で偏寄された交流電圧を印加するこ
とにより上記現像剤を静電潜像担持体に飛翔せしめて現
像するものにおいて、上記現像部材の現像剤補給部から
グリッド部材までの間に上記現像部材と対向して設けら
れ、現像部材と同電位の直流電圧を印加し、現像部材の
表面に担持した現像剤を飛翔せしめる対向電極と、この
対向電極の外側に設けられ、上記現像剤と同極性のコロ
ナを発生するコロナ発生装置とを備えたことを特徴とす
る静電潜像現像装置。 ρ −７[Claims for Utility Model Registration] An electrostatic latent image carrier carrying an electrostatic latent image to be developed on its surface, and a developer provided in proximity to the electrostatic latent image carrier to carry a developer on its surface. and a plurality of mutually parallel grid members disposed in a non-contact state between the electrostatic latent image carrier and the developing member, the grid member being biased to the developing member and the grid member by a DC voltage. In a device that performs development by causing the developer to fly onto the electrostatic latent image carrier by applying an alternating current voltage, the developer is provided between the developer replenishing portion of the developing member and the grid member, facing the developing member. a counter electrode which applies a DC voltage of the same potential as the developing member and causes the developer supported on the surface of the developing member to fly; An electrostatic latent image developing device comprising: a corona generating device. ρ −7
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3325782U JPS58138953U (en) | 1982-03-11 | 1982-03-11 | Electrostatic latent image developing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3325782U JPS58138953U (en) | 1982-03-11 | 1982-03-11 | Electrostatic latent image developing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58138953U true JPS58138953U (en) | 1983-09-19 |
Family
ID=30044812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3325782U Pending JPS58138953U (en) | 1982-03-11 | 1982-03-11 | Electrostatic latent image developing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58138953U (en) |
-
1982
- 1982-03-11 JP JP3325782U patent/JPS58138953U/en active Pending
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