JPH0365165U - - Google Patents
Info
- Publication number
- JPH0365165U JPH0365165U JP12747489U JP12747489U JPH0365165U JP H0365165 U JPH0365165 U JP H0365165U JP 12747489 U JP12747489 U JP 12747489U JP 12747489 U JP12747489 U JP 12747489U JP H0365165 U JPH0365165 U JP H0365165U
- Authority
- JP
- Japan
- Prior art keywords
- toner
- roller
- image area
- developing
- supply 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
- 108091008695 photoreceptors Proteins 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 1
Landscapes
- Dry Development In Electrophotography (AREA)
Description
第１図はこの考案の現像器を備えるレーザプリ
ンタにおける現像器まわりの概略構成図、第２図
はその現像器のトナー供給ローラの側面図、第３
図はその現像器の一部の平面図、第４図はその現
像器を備えるレーザプリンタで、その内部機構全
体の概略構成図である。第５図は従来の現像器ま
わりの概略構成図、第６図はその現像器のトナー
供給ローラの側面図である。
１４……感光体、１７……現像器、３８……ト
ナー、４０……トナー供給ローラ、４０ａ……弾
性部、４０ｂ……剛体部、４１……現像ローラ、
４２……薄層化部材、４３……シール部材。
Figure 1 is a schematic diagram of the area around the developer in a laser printer equipped with the developer of this invention, Figure 2 is a side view of the toner supply roller of the developer, and Figure 3 is a side view of the toner supply roller of the developer.
The figure is a plan view of a portion of the developing device, and FIG. 4 is a schematic diagram of the entire internal mechanism of a laser printer equipped with the developing device. FIG. 5 is a schematic diagram of a conventional developing device, and FIG. 6 is a side view of a toner supply roller of the developing device. 14...Photoreceptor, 17...Developer, 38...Toner, 40...Toner supply roller, 40a...Elastic part, 40b...Rigid body part, 41...Developing roller,
42...Thinning member, 43...Sealing member.
Claims (1)
シール部材を押し当てて軸方向からトナー漏れを
阻止し、前記トナー供給ローラで摩擦帯電してト
ナーを現像ローラに供給し、その現像ローラ上の
トナーを薄層化部材で均一化し、その現像ローラ
を感光体表面に付着し、その感光体上の静電潜像
を可視像化してなる電子写真装置の現像器におい
て、 前記トナー供給ローラ両端の画像領域外に、画
像領域より小径の剛体部を形成してなる、 電子写真装置の現像器。[Claims for Utility Model Registration] Seal members are pressed against the outer periphery of both ends of the toner supply roller outside the image area to prevent toner leakage from the axial direction, and the toner is frictionally charged by the toner supply roller to supply the toner to the developing roller. A developing device for an electrophotographic device in which the toner on the developing roller is made uniform by a layer thinning member, the developing roller is attached to the surface of a photoreceptor, and the electrostatic latent image on the photoreceptor is visualized. A developing device for an electrophotographic apparatus, wherein rigid portions having a diameter smaller than the image area are formed outside the image area at both ends of the toner supply roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12747489U JPH0365165U (en) | 1989-10-31 | 1989-10-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12747489U JPH0365165U (en) | 1989-10-31 | 1989-10-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0365165U true JPH0365165U (en) | 1991-06-25 |
Family
ID=31675228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12747489U Pending JPH0365165U (en) | 1989-10-31 | 1989-10-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0365165U (en) |
-
1989
- 1989-10-31 JP JP12747489U patent/JPH0365165U/ja active Pending