JPH0318551U - - Google Patents
Info
- Publication number
- JPH0318551U JPH0318551U JP6789290U JP6789290U JPH0318551U JP H0318551 U JPH0318551 U JP H0318551U JP 6789290 U JP6789290 U JP 6789290U JP 6789290 U JP6789290 U JP 6789290U JP H0318551 U JPH0318551 U JP H0318551U
- Authority
- JP
- Japan
- Prior art keywords
- layer
- moving member
- holder
- developing device
- utility
- 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
- 230000015572 biosynthetic process Effects 0.000 claims 1
Landscapes
- Developing For Electrophotography (AREA)
- Dry Development In Electrophotography (AREA)
Description
第１図は本考案の一実施例の正面図、第２図は
他の実施例の正面図、第３図はさらに他の実施例
の要部の正面図である。
１……保持体、２……静電像、３……移動部材
、５……電源、３ｄ……絶縁層、１８……帯電器
。
FIG. 1 is a front view of one embodiment of the present invention, FIG. 2 is a front view of another embodiment, and FIG. 3 is a front view of main parts of still another embodiment. DESCRIPTION OF SYMBOLS 1... Holder, 2... Electrostatic image, 3... Moving member, 5... Power supply, 3d... Insulating layer, 18... Charger.
Claims (1)
持体に対して間隙をもつて非磁性一成分現像剤の
現像剤層を支持しつつ移動する移動部材と、この
移動部材に圧接する弾性体であつて、前記現像剤
を帯電して層を形成する層形成部材と、この層形
成部材が圧接する前記移動部材を前記保持体より
高速で移動せしめる手段とを具備し、前記層形成
部材は、その中央部が前記移動部材に圧接される
よう配設されていることを特徴とする現像装置。 (2) 移動部材として導電性回転体を用い、この
導電性回転体は接地されていることを特徴とする
実用新案登録請求の範囲第１項記載の現像装置。 (3) 移動部材にはＡＣバイアスが印加されてい
ることを特徴とする実用新案登録請求の範囲第１
項または第２項記載の現像装置。 (4) 移動部材の表面には微細な凹凸が形成され
ていることを特徴とする実用新案登録請求の範囲
第１項または第３項記載の現像装置。 (5) 移動部材の表面には絶縁層が形成され、し
かも層形成部材の層形成に先立つてこの絶縁層が
形成されていることを特徴とする実用新案登録請
求の範囲第１項記載の現像装置。[Claims for Utility Model Registration] (1) A holder that holds an electrostatic image on its surface, and a movement that moves while supporting a developer layer of a non-magnetic one-component developer with a gap between the holder and the holder. a layer forming member that is in pressure contact with the moving member and that charges the developer to form a layer; and the moving member that is in pressure contact with the layer forming member is moved at a higher speed than the holder. 1. A developing device comprising means for forming a layer, wherein the layer forming member is disposed such that a central portion thereof is pressed against the moving member. (2) The developing device according to claim 1, wherein a conductive rotating body is used as the moving member, and the conductive rotating body is grounded. (3) Utility model registration claim 1 characterized in that an AC bias is applied to the moving member
The developing device according to item 1 or 2. (4) The developing device according to claim 1 or 3, wherein the moving member has fine irregularities formed on its surface. (5) The development according to claim 1 of the utility model registration claim, characterized in that an insulating layer is formed on the surface of the moving member, and furthermore, an insulating layer is formed as a lever prior to layer formation of the layer forming member. Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6789290U JPH0318551U (en) | 1990-06-28 | 1990-06-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6789290U JPH0318551U (en) | 1990-06-28 | 1990-06-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0318551U true JPH0318551U (en) | 1991-02-22 |
Family
ID=31601874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6789290U Pending JPH0318551U (en) | 1990-06-28 | 1990-06-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0318551U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53110846A (en) * | 1977-03-09 | 1978-09-27 | Ricoh Co Ltd | Dry type developing device of electrophotographic copier |
| JPS5451848A (en) * | 1977-09-30 | 1979-04-24 | Canon Inc | Developing device |
| JPS55118049A (en) * | 1979-03-07 | 1980-09-10 | Canon Inc | Developing method |
-
1990
- 1990-06-28 JP JP6789290U patent/JPH0318551U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53110846A (en) * | 1977-03-09 | 1978-09-27 | Ricoh Co Ltd | Dry type developing device of electrophotographic copier |
| JPS5451848A (en) * | 1977-09-30 | 1979-04-24 | Canon Inc | Developing device |
| JPS55118049A (en) * | 1979-03-07 | 1980-09-10 | Canon Inc | Developing method |
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