JPH0314657U - - Google Patents
Info
- Publication number
- JPH0314657U JPH0314657U JP7508889U JP7508889U JPH0314657U JP H0314657 U JPH0314657 U JP H0314657U JP 7508889 U JP7508889 U JP 7508889U JP 7508889 U JP7508889 U JP 7508889U JP H0314657 U JPH0314657 U JP H0314657U
- Authority
- JP
- Japan
- Prior art keywords
- roller
- latent image
- image carrier
- developing roller
- 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
- Dry Development In Electrophotography (AREA)
Description
第１図ａは実施例である現像装置の現像ローラ
、スペーサコロとドクターブレードを示す正面図
、第１図ｂ，ｃは各々第１図ａのＢ−Ｂ′，Ｃ−
Ｃ′断面図、第２図は本考案の現像装置を用いた
複写機の概略構成図である。
１……感光体ドラム、２……メインチヤージヤ
、３……露光部、４……トナーカートリツジ、５
……紙、６……現像装置、７……転写部、８……
分離部、１０……清掃部、１１……除電部、１４
……供給ローラ、１５……現像ローラ、１６……
レジストローラ、１９……スペーサコロ、２０…
…ドクターブレード、２５……押え板、２６，２
７……当接部材、２８……エツジ。
FIG. 1a is a front view showing the developing roller, spacer roller and doctor blade of the developing device according to the embodiment, and FIGS. 1b and c are B-B' and C- of FIG. 1a, respectively.
The C' sectional view and FIG. 2 are schematic diagrams of a copying machine using the developing device of the present invention. 1... Photosensitive drum, 2... Main charger, 3... Exposure section, 4... Toner cartridge, 5
...Paper, 6...Developing device, 7...Transfer section, 8...
Separation section, 10... Cleaning section, 11... Static elimination section, 14
... Supply roller, 15 ... Development roller, 16 ...
Registration roller, 19... Spacer roller, 20...
...Doctor blade, 25...Press plate, 26,2
7...Abutting member, 28...Edge.
Claims (1)
転させるトナーを担持した現像ローラと、 回転する現像ローラに押し付けられ、現像ロー
ラ上に担持されたトナーの厚みを均一にする薄層
形成部材と、 現像ローラと潜像担持体との間隔を一定に保つ
ために現像ローラの両端に設けられ、潜像担持体
に接しながら回転するスペーサコロと、 を備えた現像装置において、 上記薄層形成部材が現像ローラの幅を越えてス
ペーサコロまで延長して設けられ、かつ、薄層形
成部材のスペーサコロに当接する部分がエツジを
有することを特徴とする現像装置。[Scope of Claim for Utility Model Registration] A latent image carrier, a developing roller that is provided parallel to the latent image carrier and carries toner to be transferred to the latent image carrier, and a toner that is pressed against the rotating developing roller and is placed on the developing roller. A thin layer forming member is provided at both ends of the developing roller to maintain a constant distance between the developing roller and the latent image carrier, and rotates while in contact with the latent image carrier. A developing device comprising a spacer roller, wherein the thin layer forming member is provided extending beyond the width of the developing roller to the spacer roller, and a portion of the thin layer forming member that comes into contact with the spacer roller has an edge. A developing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7508889U JPH0314657U (en) | 1989-06-27 | 1989-06-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7508889U JPH0314657U (en) | 1989-06-27 | 1989-06-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0314657U true JPH0314657U (en) | 1991-02-14 |
Family
ID=31615356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7508889U Pending JPH0314657U (en) | 1989-06-27 | 1989-06-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0314657U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002357966A (en) * | 2000-09-29 | 2002-12-13 | Ricoh Co Ltd | Fixing device |
-
1989
- 1989-06-27 JP JP7508889U patent/JPH0314657U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002357966A (en) * | 2000-09-29 | 2002-12-13 | Ricoh Co Ltd | Fixing device |
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