JPH03125362U - - Google Patents
Info
- Publication number
- JPH03125362U JPH03125362U JP14621789U JP14621789U JPH03125362U JP H03125362 U JPH03125362 U JP H03125362U JP 14621789 U JP14621789 U JP 14621789U JP 14621789 U JP14621789 U JP 14621789U JP H03125362 U JPH03125362 U JP H03125362U
- Authority
- JP
- Japan
- Prior art keywords
- developing
- developing roller
- film member
- toner
- photoreceptor
- 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 description 5
- 108091008695 photoreceptors Proteins 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
- 230000003014 reinforcing effect Effects 0.000 description 1
Landscapes
- Dry Development In Electrophotography (AREA)
Description
第１図はこの考案による現像装置の一部の斜視
図、第２図はその一部の概略構成図、第３図はシ
ール部材と補強部材との斜視図、第４図はその現
像装置付近の概略構成図、第５図はその現像装置
を備えるレーザプリンタの内部機構全体の概略構
成図である。第６図、第７図は従来の現像装置の
問題点を説明する説明図、第８図は従来の現像装
置の一部の概略構成図である。
１５……感光体、８……現像装置、３０……現
像ケース、３２……現像ローラ、３７……現像室
、４０……薄層ブレード、４２……シール部材、
４４……フイルム部材、４６……切欠部、４９…
…トナー回収機構。
Fig. 1 is a perspective view of a part of the developing device according to this invention, Fig. 2 is a schematic configuration diagram of a part thereof, Fig. 3 is a perspective view of a sealing member and a reinforcing member, and Fig. 4 is a vicinity of the developing device. FIG. 5 is a schematic diagram of the entire internal mechanism of a laser printer equipped with the developing device. FIGS. 6 and 7 are explanatory diagrams illustrating problems with the conventional developing device, and FIG. 8 is a schematic diagram of a part of the conventional developing device. 15...Photoreceptor, 8...Developing device, 30...Developing case, 32...Developing roller, 37...Developing chamber, 40...Thin layer blade, 42...Sealing member,
44...Film member, 46...Notch, 49...
...Toner collection mechanism.
Claims (1)
を押し当てるとともに、その現像ローラの軸方向
端面にシール部材を押し当て、かつそれら現像ロ
ーラとシール部材との接触部をシールするフイル
ム部材を現像ケースに取り付け、前記現像ローラ
を感光体に押し当てることにより感光体上の潜像
をトナーで可視像化する電子写真装置と現像装置
において、 前記シール部材に前記感光体と対向する前記フ
イルム部材に面して切欠部を設けるとともに、 その切欠部と前記フイルム部材との間を落ちる
トナーを現像室へ回収するトナー回収機構を前記
現像ケース内に設けてなる、 電子写真装置の現像装置。[Claims for Utility Model Registration] A thin layer blade is pressed against the developing roller in parallel with the axial direction of the developing roller, and a sealing member is pressed against the axial end face of the developing roller, and the contact portion between the developing roller and the sealing member. In an electrophotographic apparatus and a developing device, in which a film member for sealing is attached to a developing case, and the latent image on the photoreceptor is visualized with toner by pressing the developing roller against the photoreceptor. A notch is provided facing the film member facing the body, and a toner collection mechanism is provided in the developing case for collecting toner falling between the notch and the film member into the developing chamber. Developing device for photographic equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14621789U JPH03125362U (en) | 1989-12-19 | 1989-12-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14621789U JPH03125362U (en) | 1989-12-19 | 1989-12-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03125362U true JPH03125362U (en) | 1991-12-18 |
Family
ID=31692816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14621789U Pending JPH03125362U (en) | 1989-12-19 | 1989-12-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03125362U (en) |
-
1989
- 1989-12-19 JP JP14621789U patent/JPH03125362U/ja active Pending