JPS6028763U - developing device - Google Patents
developing deviceInfo
- Publication number
- JPS6028763U JPS6028763U JP12079883U JP12079883U JPS6028763U JP S6028763 U JPS6028763 U JP S6028763U JP 12079883 U JP12079883 U JP 12079883U JP 12079883 U JP12079883 U JP 12079883U JP S6028763 U JPS6028763 U JP S6028763U
- Authority
- JP
- Japan
- Prior art keywords
- developing device
- developer
- scraper
- toner
- stirrer
- 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.)
- Granted
Links
Landscapes
- Magnetic Brush Developing In Electrophotography (AREA)
- Dry Development In Electrophotography (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案現像装置の説明図、第２図及び第３図は
、本考案に先行する考案についての攪拌器の斜視図及び
現像装置の要部の断面図、第４図′は電子写真複写機の
説明図、第５図乃至第１０図は本考案において用いられ
る攪拌器の例を示す説明図、第１１図は本考案の効果に
ついての実験結果を示す曲線図、第１２図及び第１３図
は本考案の他の実施例に係る現像装置を示す説明図及び
これを用いた複写機の略図である。 ′１・・・磁気
ブラシ型現像装置、Ｐ・・・ドラム状感光板、１００・
・・現像剤タンク、Ｄ・・・現像剤、１０２・・・円筒
保持部材、１０３・・・永久磁石、１０５・・・ス −
クレーパー、１２０・・・トナーホッパー、１２１・・
・補給ローラ、Ｂ、２００・・・変位板、２０１・・・
軸、２・・・回転攪拌手段、３，４・・・歯車、Ｓ・・
・駆動軸、■・・・給紙部、■・・・露光系、■−クリ
ーニング部、■・・・定着部。
Ｃ
ｌＯ３１１０
＼ ｌ −
１０２ノ ４ ５７−
−（Ａ）
Ｂ −
ノ
（Ｂ） −Fig. 1 is an explanatory diagram of the developing device of the present invention, Figs. 2 and 3 are a perspective view of an agitator and a sectional view of the main parts of the developing device of the device prior to the present invention, and Fig. 4' is an electronic 5 to 10 are explanatory diagrams showing an example of a stirrer used in the present invention; FIG. 11 is a curve diagram showing experimental results regarding the effects of the present invention; FIGS. FIG. 13 is an explanatory diagram showing a developing device according to another embodiment of the present invention, and a schematic diagram of a copying machine using the same. '1... Magnetic brush type developing device, P... Drum-shaped photosensitive plate, 100.
...Developer tank, D...Developer, 102...Cylindrical holding member, 103...Permanent magnet, 105...S-
Craper, 120... Toner hopper, 121...
・Replenishment roller, B, 200...Displacement plate, 201...
Shaft, 2... Rotating stirring means, 3, 4... Gear, S...
- Drive shaft, ■...Paper feeding section, ■...Exposure system, ■-Cleaning section, ■...Fixing section. ClO3110 \ l - 102ノ 4 57-
-(A) B - ノ(B) -
Claims (1)
て可視像とする現像装置において、記録体表面へ現像剤
を搬送する磁石を内包する現像ローラと′、現像剤を攪
拌混合する攪拌器とを具え、該攪拌器は少なくとも曲面
部分を有する複数の回転変位板を有することを特徴とす
る現像装置。 （２）回転変位板が回転対称体であり′、回転軸にほぼ
間隔に設けられていることを特徴とする実用新案登録請
求の範囲第１項記載の現像装置。”（３）回転変位板の
隣接するものとの離間々隔が当該変位板の回転軸方向の
長さ幅以下である実用新案登録請求の範囲第１項または
第２項記載の現像装置。 （４）粉末現像剤はトナーとキャリアの混合体あるいは
異種のトナーの混合体である実用新案登録請求の範囲第
１項記載の現像装置。 （５） 現像ローラから現像剤を剥ぎ取るスクレーパ
ーと、このスクレーパーに係る現像剤流に補給用トナー
を供給するためのトナーホッパーとを有し、攪拌器は該
スクレーパーの下流に配置されている実用新案登録請求
の範囲第１項記載の現像装置。 ゛[Claims for Utility Model Registration] (1) A developing device that develops an electrostatic latent image on an electrostatic recording medium with a powder developer into a visible image, which includes a magnet that conveys the developer to the surface of the recording medium. A developing device comprising a developing roller, a stirrer for stirring and mixing developer, and the stirrer having a plurality of rotationally displaceable plates having at least a curved surface portion. (2) The developing device according to claim 1, wherein the rotationally displaceable plate is a rotationally symmetrical body and is provided approximately at intervals from the rotating shaft. (3) The developing device according to claim 1 or 2, wherein the distance between adjacent rotary displacement plates is equal to or less than the length and width of the rotational displacement plate in the rotational axis direction. 4) The developing device according to claim 1, wherein the powder developer is a mixture of toner and carrier or a mixture of different types of toners. (5) A scraper for stripping the developer from the developing roller; 2. The developing device according to claim 1, further comprising a toner hopper for supplying replenishing toner to a developer stream related to the scraper, and an agitator disposed downstream of the scraper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12079883U JPS6028763U (en) | 1983-08-04 | 1983-08-04 | developing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12079883U JPS6028763U (en) | 1983-08-04 | 1983-08-04 | developing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6028763U true JPS6028763U (en) | 1985-02-26 |
| JPH0410605Y2 JPH0410605Y2 (en) | 1992-03-16 |
Family
ID=30276711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12079883U Granted JPS6028763U (en) | 1983-08-04 | 1983-08-04 | developing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6028763U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008276154A (en) * | 2007-01-05 | 2008-11-13 | Ricoh Co Ltd | Developer-stirring member, developing device and image forming apparatus |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55159353U (en) * | 1979-05-01 | 1980-11-15 | ||
| JPS56151963A (en) * | 1980-04-02 | 1981-11-25 | Xerox Corp | Developing unit for electrophotographic copying machine |
| JPS57184950U (en) * | 1981-05-21 | 1982-11-24 | ||
| JPS58127962A (en) * | 1982-01-25 | 1983-07-30 | Matsushita Electric Ind Co Ltd | Toner supplying device |
-
1983
- 1983-08-04 JP JP12079883U patent/JPS6028763U/en active Granted
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55159353U (en) * | 1979-05-01 | 1980-11-15 | ||
| JPS56151963A (en) * | 1980-04-02 | 1981-11-25 | Xerox Corp | Developing unit for electrophotographic copying machine |
| JPS57184950U (en) * | 1981-05-21 | 1982-11-24 | ||
| JPS58127962A (en) * | 1982-01-25 | 1983-07-30 | Matsushita Electric Ind Co Ltd | Toner supplying device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008276154A (en) * | 2007-01-05 | 2008-11-13 | Ricoh Co Ltd | Developer-stirring member, developing device and image forming apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0410605Y2 (en) | 1992-03-16 |
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