JPH03108252U - - Google Patents
Info
- Publication number
- JPH03108252U JPH03108252U JP1477290U JP1477290U JPH03108252U JP H03108252 U JPH03108252 U JP H03108252U JP 1477290 U JP1477290 U JP 1477290U JP 1477290 U JP1477290 U JP 1477290U JP H03108252 U JPH03108252 U JP H03108252U
- Authority
- JP
- Japan
- Prior art keywords
- sleeve
- flange
- diameter
- developing
- developing roller
- 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
- 238000010586 diagram Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 1
Landscapes
- Dry Development In Electrophotography (AREA)
Description
第１図は本考案の現像ローラの斜視図、第２図
はその縦断面図、第３図は本考案の現像ローラを
組込んだ現像装置の構成を示す説明図、第４図は
従来の現像ローラの斜視図、第５図は他の従来例
の現像ローラのの縦断面図であり、第６図はロー
ラ端部からの放電の状態を示す説明図である。
図中の符号、１……現像ローラ、２……支持軸
、４……軸受、５……フランジ、６……つば部、
７……スリーブ、８……マグネツト、９……シユ
ー、１０……現像装置、１５……層厚規制部材、
２０……感光体ドラム。
FIG. 1 is a perspective view of the developing roller of the present invention, FIG. 2 is a vertical sectional view thereof, FIG. 3 is an explanatory diagram showing the configuration of a developing device incorporating the developing roller of the present invention, and FIG. 4 is a conventional one. FIG. 5 is a perspective view of the developing roller, FIG. 5 is a vertical sectional view of another conventional developing roller, and FIG. 6 is an explanatory diagram showing the state of discharge from the end of the roller. Symbols in the diagram: 1...Developing roller, 2...Support shaft, 4...Bearing, 5...Flange, 6...Brim part,
7... Sleeve, 8... Magnet, 9... Show, 10... Developing device, 15... Layer thickness regulating member,
20...Photosensitive drum.
Claims (1)
させる現像スリーブと、該スリーブの表面に圧接
し、均一な薄膜の現像剤層を形成する層形成部材
とを備えた現像装置において、 前記スリーブを保持するフランジを、前記スリ
ーブに挿入される部分に対して、その外側に大径
のつばの付いた部材で構成するとともに、前記フ
ランジのつばの径をスリーブの外周の径よりも小
径に構成することを特徴とする現像ローラ。[Claims for Utility Model Registration] A developing sleeve that attaches a developer to an electrostatic latent image formed on an image carrier, and a layer forming member that presses against the surface of the sleeve to form a uniform thin developer layer. In the developing device, the flange for holding the sleeve is configured with a member having a large-diameter flange on the outside of a portion inserted into the sleeve, and the diameter of the flange of the flange is A developing roller characterized by having a diameter smaller than the diameter of the outer periphery of the sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1477290U JPH03108252U (en) | 1990-02-19 | 1990-02-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1477290U JPH03108252U (en) | 1990-02-19 | 1990-02-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03108252U true JPH03108252U (en) | 1991-11-07 |
Family
ID=31518118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1477290U Pending JPH03108252U (en) | 1990-02-19 | 1990-02-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03108252U (en) |
-
1990
- 1990-02-19 JP JP1477290U patent/JPH03108252U/ja active Pending