JPH0362358U - - Google Patents
Info
- Publication number
- JPH0362358U JPH0362358U JP12271889U JP12271889U JPH0362358U JP H0362358 U JPH0362358 U JP H0362358U JP 12271889 U JP12271889 U JP 12271889U JP 12271889 U JP12271889 U JP 12271889U JP H0362358 U JPH0362358 U JP H0362358U
- Authority
- JP
- Japan
- Prior art keywords
- developing roller
- toner
- roller
- sealing member
- 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
- 238000007789 sealing Methods 0.000 claims 4
- 108091008695 photoreceptors Proteins 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Dry Development In Electrophotography (AREA)
Description
第１図はこの考案による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図はその現像器の一部の側面図である。第３図
はこの考案による現像器の他の実施例でその現像
器の弾性部材の側面図である。第４図はこの考案
による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図第６図は
従来の現像器で、第５図はその現像器まわりの概
略構成図、第６図はその現像器の一部の側面図で
ある。
１７……現像器、３０……現像ケース、３３…
…トナー、３６……補給ローラ、３７……現像ロ
ーラ、３８……薄層化部材、３９……シール部材
、４０……弾性部材。
FIG. 1 is a schematic diagram of the structure around the developing device in a laser printer equipped with the developing device according to this invention, and FIG. 2 is a side view of a portion of the developing device. FIG. 3 is a side view of an elastic member of another embodiment of the developing device according to this invention. FIG. 4 is a schematic diagram of the entire internal mechanism of a laser printer equipped with a developing device according to this invention. 5 and 6 show a conventional developing device, FIG. 5 is a schematic diagram of the surroundings of the developing device, and FIG. 6 is a side view of a part of the developing device. 17...Developer, 30...Developer case, 33...
... Toner, 36 ... Replenishment roller, 37 ... Development roller, 38 ... Thinning member, 39 ... Seal member, 40 ... Elastic member.
Claims (1)
ル部材を現像ローラおよび薄層化部材の両端部に
押し当ててトナーをせき止め、ローラ軸方向から
のトナー漏れを防ぐとともに、前記補給ローラで
摩擦帯電して現像ローラにトナーを補給し、該現
像ローラ表面のトナーを薄層化部材で均一化し、
その現像ローラで感光体にトナーを付着して感光
体表面の静電潜像を可視像化する電子写真装置の
現像器おいて、 前記シール部材の内側に、弾性部材を前記現像
ローラと平行な軸で支持して配置するとともに、 前記現像ローラと前記薄層化部材と前記シール
部材との圧接部にそれぞれ隣接し、かつ前記現像
ローラに逆回転で接触して設けてなる、 電子写真装置の現像器。[Claims for Utility Model Registration] A sealing member is attached to the developing case, and the sealing member is pressed against both ends of the developing roller and the thinning member to dam up the toner and prevent the toner from leaking in the axial direction of the roller. replenishing toner to a developing roller by frictional charging with a replenishing roller, uniformizing the toner on the surface of the developing roller with a thinning member,
In a developing device of an electrophotographic device that uses the developing roller to adhere toner to a photoreceptor to visualize an electrostatic latent image on the surface of the photoreceptor, an elastic member is disposed inside the sealing member parallel to the developing roller. an electrophotographic apparatus, wherein the electrophotographic apparatus is arranged so as to be supported by a shaft, and is adjacent to a pressure contact portion between the developing roller, the thinning member, and the sealing member, and is in contact with the developing roller in reverse rotation. developer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12271889U JPH0362358U (en) | 1989-10-20 | 1989-10-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12271889U JPH0362358U (en) | 1989-10-20 | 1989-10-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0362358U true JPH0362358U (en) | 1991-06-18 |
Family
ID=31670708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12271889U Pending JPH0362358U (en) | 1989-10-20 | 1989-10-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0362358U (en) |
-
1989
- 1989-10-20 JP JP12271889U patent/JPH0362358U/ja active Pending
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