JPH01135454U - - Google Patents
Info
- Publication number
- JPH01135454U JPH01135454U JP3103388U JP3103388U JPH01135454U JP H01135454 U JPH01135454 U JP H01135454U JP 3103388 U JP3103388 U JP 3103388U JP 3103388 U JP3103388 U JP 3103388U JP H01135454 U JPH01135454 U JP H01135454U
- Authority
- JP
- Japan
- Prior art keywords
- paddle
- tank
- toner
- developing sleeve
- developer
- 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
- 230000032258 transport Effects 0.000 claims 2
- 108091008695 photoreceptors Proteins 0.000 claims 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
Landscapes
- Magnetic Brush Developing In Electrophotography (AREA)
- Dry Development In Electrophotography (AREA)
Description
第１図は本考案の一実施例の横断面図である。
第２図は従来の現像装置の１つの横断面図である
。
１：感光体ドラム、９８：アジテータ、９９：
現像剤槽（現像剤槽）、１００：現像装置、１１
４：ケース、１１８：マグネツトローラ（マグネ
ツトローラ）、１１９：第２現像スリーブ（現像
スリーブ）、１２０：マグネツトローラ（マグネ
ツトローラ）、１２１：第１現像スリーブ（現像
スリーブ）、１２２：パドル（パドル）、１２３
：スクリユー、１２４：トナー供給ローラ（供給
する手段）、１２４ａ：平行溝、１４０：ブレー
ド、１４２：フイン、１４６：セパレータ（セパ
レータ）、１４７：対向面（対向面）、１５０：
トナー槽（トナー槽）、１５２，１５３：弾性合
成樹脂板、Ｐ１，Ｐ２，Ｐｉ：距離。
FIG. 1 is a cross-sectional view of one embodiment of the present invention.
FIG. 2 is a cross-sectional view of one conventional developing device. 1: Photosensitive drum, 98: Agitator, 99:
Developer tank (developer tank), 100: Developing device, 11
4: case, 118: magnet roller (magnet roller), 119: second developing sleeve (developing sleeve), 120: magnet roller (magnet roller), 121: first developing sleeve (developing sleeve), 122: Paddle (paddle), 123
: screw, 124: toner supply roller (supplying means), 124a: parallel groove, 140: blade, 142: fin, 146: separator (separator), 147: opposing surface (opposing surface), 150:
Toner tank (toner tank), 152, 153: elastic synthetic resin plate, P 1 , P 2 , Pi: distance.
Claims (1)
る現像スリーブ、現像スリーブ内にあつて現像ス
リーブ外周の磁性体現像剤を現像スリーブの外周
面に沿つて現像槽内から感光体面に向かう方向に
搬送するマグネツトローラ、トナー槽、トナー槽
内のトナーを現像槽内に供給する手段、および、
トナー槽から現像槽内に供給されたトナーを現像
スリーブに向けて搬送するパドルを備える現像装
置において： 現像槽内にあつてパドルの上方に位置してパド
ルに対向し、現像スリーブより遠い位置でパドル
との距離が大きく現像スリーブに近い位置でパド
ルとの距離が小さくそれらの間で該距離が連続的
に大から小に変わつているパドル対向面を有する
セパレータを備えることを特徴とする現像装置。[Scope of Claim for Utility Model Registration] A developer tank, a developing sleeve located in the developer tank and facing the photoconductor, and a magnetic developer located inside the developer sleeve and placed on the outer periphery of the developing sleeve along the outer periphery of the developing sleeve. a magnet roller that transports the toner from inside the developer tank in a direction toward the photoreceptor surface; a toner tank; a means for supplying the toner in the toner tank into the developer tank;
In a developing device equipped with a paddle that transports toner supplied from a toner tank into a developer tank toward a developing sleeve: A paddle located above the paddle in the developer tank, facing the paddle, and at a position farther from the developing sleeve. A developing device comprising a separator having a paddle facing surface where the distance from the paddle is large and the distance from the paddle is small at a position close to the developing sleeve and the distance continuously changes from large to small between them. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3103388U JPH01135454U (en) | 1988-03-09 | 1988-03-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3103388U JPH01135454U (en) | 1988-03-09 | 1988-03-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01135454U true JPH01135454U (en) | 1989-09-18 |
Family
ID=31256600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3103388U Pending JPH01135454U (en) | 1988-03-09 | 1988-03-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01135454U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04353880A (en) * | 1991-05-31 | 1992-12-08 | Fujitsu Ltd | Stirring device |
-
1988
- 1988-03-09 JP JP3103388U patent/JPH01135454U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04353880A (en) * | 1991-05-31 | 1992-12-08 | Fujitsu Ltd | Stirring device |