JPH0351453U - - Google Patents
Info
- Publication number
- JPH0351453U JPH0351453U JP11192689U JP11192689U JPH0351453U JP H0351453 U JPH0351453 U JP H0351453U JP 11192689 U JP11192689 U JP 11192689U JP 11192689 U JP11192689 U JP 11192689U JP H0351453 U JPH0351453 U JP H0351453U
- Authority
- JP
- Japan
- Prior art keywords
- roller
- toner
- developing device
- developing
- toner regulating
- 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
- 230000001105 regulatory effect Effects 0.000 claims description 10
- 238000004140 cleaning Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Dry Development In Electrophotography (AREA)
Description
第1図はこの考案の一実施例を模式的に示す説
明図、第2図乃至第4図はその加圧部材のそれぞ
れ異なる形状例を示す斜視図、第5図はこの考案
の他の実施例の要部を示す説明図、第6図は従来
の現像装置の一例を模式的に示す説明図、第7図
は同じくその現像ローラとトナー規制ローラとの
関係を示す説明図である。
1……現像ローラ、2……トナー補給ローラ、
3……トナー規制ローラ、4,14……加圧部材
、5,15……位置規制部材、6,16……スク
レーパ、10……現像装置、20……感光体ドラ
ム。
Fig. 1 is an explanatory diagram schematically showing one embodiment of this invention, Figs. 2 to 4 are perspective views showing examples of different shapes of the pressure member, and Fig. 5 is another embodiment of this invention. FIG. 6 is an explanatory diagram schematically showing an example of a conventional developing device, and FIG. 7 is an explanatory diagram showing the relationship between the developing roller and the toner regulating roller. 1...Developing roller, 2...Toner supply roller,
3... Toner regulating roller, 4, 14... Pressing member, 5, 15... Position regulating member, 6, 16... Scraper, 10... Developing device, 20... Photosensitive drum.
Claims (1)
なトナーの薄層を形成するためのトナー規制ロー
ラを備えた現像装置において、 前記トナー規制ローラが長手方向に可撓性を有
し、加圧手段によりその全長に亘つてほぼ均等な
加圧力で前記現像ローラに押圧されるようにした
ことを特徴とする現像装置。 2 トナー規制ローラに、その加圧手段と一体の
清掃用スクレーパを設けた請求項1記載の現像装
置。 3 トナー規制ローラの少なくともトナー搬送方
向下流側に、全長に亘つてその位置を規制する位
置規制部材を設けた請求項1又は2記載の現像装
置。[Claims for Utility Model Registration] 1. A developing device equipped with a toner regulating roller for slidingly contacting a developing roller to form an even thin layer of toner on the developing roller, wherein the toner regulating roller is movable in the longitudinal direction. What is claimed is: 1. A developing device, characterized in that it is flexible and is pressed against the developing roller by a pressing means with a substantially uniform pressing force over its entire length. 2. The developing device according to claim 1, wherein the toner regulating roller is provided with a cleaning scraper integrated with its pressure means. 3. The developing device according to claim 1 or 2, further comprising a position regulating member provided at least on the downstream side of the toner regulating roller in the toner transport direction, for regulating the position over the entire length of the toner regulating roller.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11192689U JPH0351453U (en) | 1989-09-25 | 1989-09-25 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11192689U JPH0351453U (en) | 1989-09-25 | 1989-09-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0351453U true JPH0351453U (en) | 1991-05-20 |
Family
ID=31660387
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11192689U Pending JPH0351453U (en) | 1989-09-25 | 1989-09-25 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0351453U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006030323A (en) * | 2004-07-12 | 2006-02-02 | Katsuragawa Electric Co Ltd | Layer thickness regulating roller |
JP2016186631A (en) * | 2015-02-13 | 2016-10-27 | 株式会社リコー | Developing device and image forming apparatus |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59155865A (en) * | 1983-02-25 | 1984-09-05 | Canon Inc | Developing device |
JPS6010337A (en) * | 1983-06-30 | 1985-01-19 | Fujitsu Ltd | Micro instruction controller |
JPH0250180A (en) * | 1988-05-07 | 1990-02-20 | Konica Corp | Method and device for developer layer formation |
-
1989
- 1989-09-25 JP JP11192689U patent/JPH0351453U/ja active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59155865A (en) * | 1983-02-25 | 1984-09-05 | Canon Inc | Developing device |
JPS6010337A (en) * | 1983-06-30 | 1985-01-19 | Fujitsu Ltd | Micro instruction controller |
JPH0250180A (en) * | 1988-05-07 | 1990-02-20 | Konica Corp | Method and device for developer layer formation |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006030323A (en) * | 2004-07-12 | 2006-02-02 | Katsuragawa Electric Co Ltd | Layer thickness regulating roller |
JP2016186631A (en) * | 2015-02-13 | 2016-10-27 | 株式会社リコー | Developing device and image forming apparatus |