JPH0367355U - - Google Patents
Info
- Publication number
- JPH0367355U JPH0367355U JP12909489U JP12909489U JPH0367355U JP H0367355 U JPH0367355 U JP H0367355U JP 12909489 U JP12909489 U JP 12909489U JP 12909489 U JP12909489 U JP 12909489U JP H0367355 U JPH0367355 U JP H0367355U
- Authority
- JP
- Japan
- Prior art keywords
- roller
- developing device
- photoreceptor
- rotating
- wet type
- 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
- Wet Developing In Electrophotography (AREA)
Description
第１図は本考案による現像装置の構成図、第２
図および第３図はギヤツプコロの実施例を示す拡
大図、第４図および第５図は従来例による湿式現
像装置の構成図である。
１……感光体、５，６……現像ローラ、７……
スクイズローラ、１０……ギヤツプコロ。
Figure 1 is a configuration diagram of the developing device according to the present invention, Figure 2
3 and 3 are enlarged views showing an embodiment of the gear roller, and FIGS. 4 and 5 are configuration diagrams of a conventional wet type developing device. 1... Photoreceptor, 5, 6... Developing roller, 7...
Squeeze roller, 10...Gyatupkoro.
Claims (1)
記感光体と逆方向に回転する現像ローラと、前記
感光体と微少ギヤツプを隔てて対向し、前記感光
体と同一方向に回転するスクイズローラと、各ロ
ーラ外方に同軸的に対をなして設けられ、各ロー
ラより若干径の大きなギヤツプコロとを有し、前
記感光体と前記現像ローラ間に現像液を供給して
前記感光体表面に生成された静電潜像を現像する
湿式現像装置において、供給する現像液の担体液
は、シロキサン構造をもつシリコンオイルまたは
沸点２５０℃以上の脂肪族炭化水素を少なくとも
含むことを特徴とする湿式現像装置。 (2) 請求項１の記載においてギヤツプコロを樹
脂、ゴム材または開放型ベアリングで形成したこ
とを特徴とする湿式現像装置。 (3) 請求項１または２の記載においてギヤツプ
コロの外周面に沿つて溝が形成されていることを
特徴とする湿式現像装置。[Claims for Utility Model Registration] (1) A developing roller facing the photoconductor across a small gap and rotating in the opposite direction to the photoconductor; , a squeeze roller rotating in the same direction as the photoreceptor, and a gear roller provided coaxially in a pair outside each roller and having a slightly larger diameter than each roller, and a squeeze roller rotating in the same direction as the photoreceptor and the developing roller. In a wet type developing device that develops an electrostatic latent image formed on the surface of the photoreceptor, the carrier liquid of the developer to be supplied contains at least silicone oil having a siloxane structure or an aliphatic hydrocarbon having a boiling point of 250° C. or higher. A wet developing device comprising: (2) The wet type developing device according to claim 1, wherein the gear roller is made of resin, rubber material, or an open type bearing. (3) A wet type developing device according to claim 1 or 2, characterized in that a groove is formed along the outer peripheral surface of the gear roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12909489U JPH0367355U (en) | 1989-11-06 | 1989-11-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12909489U JPH0367355U (en) | 1989-11-06 | 1989-11-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0367355U true JPH0367355U (en) | 1991-07-01 |
Family
ID=31676753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12909489U Pending JPH0367355U (en) | 1989-11-06 | 1989-11-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0367355U (en) |
-
1989
- 1989-11-06 JP JP12909489U patent/JPH0367355U/ja active Pending
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