JPS6194847U - - Google Patents
Info
- Publication number
- JPS6194847U JPS6194847U JP17998784U JP17998784U JPS6194847U JP S6194847 U JPS6194847 U JP S6194847U JP 17998784 U JP17998784 U JP 17998784U JP 17998784 U JP17998784 U JP 17998784U JP S6194847 U JPS6194847 U JP S6194847U
- Authority
- JP
- Japan
- Prior art keywords
- layer thickness
- control device
- item
- distance
- recess
- 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
- 239000002245 particle Substances 0.000 claims 8
- 230000001105 regulatory effect Effects 0.000 claims 4
- 230000032258 transport Effects 0.000 claims 2
- 239000000696 magnetic material Substances 0.000 claims 1
- 238000005498 polishing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Magnetic Brush Developing In Electrophotography (AREA)
- Dry Development In Electrophotography (AREA)
Description
第１図は及び第２図は夫々本考案の１実施例を
示した模式図とその要部説明図、第３ａ図及び第
３ｂ図は夫々トナー固着の発生状態を示した説明
図とその拡大図、第４図はトナー固着の発生確率
と凹部５の位置との関係を示したグラフ図、第５
ａ図及び第５ｂ図は夫々トナー固着の発生機構を
示した各説明図、第６図及び第７図は夫々本考案
の他の実施例を示した各模式的説明図である。
（符号の説明）、１：現像スリーブ、４，４′
：ドクタブレート、５：凹部、７：圧接曲面。
FIGS. 1 and 2 are schematic diagrams showing an embodiment of the present invention and an explanatory diagram of the main parts thereof, and FIGS. 3a and 3b are explanatory diagrams and enlarged views respectively showing the state of occurrence of toner sticking. 4 is a graph showing the relationship between the probability of occurrence of toner sticking and the position of the recess 5, and FIG.
FIGS. 6A and 5B are explanatory diagrams showing the toner sticking generation mechanism, and FIGS. 6 and 7 are schematic explanatory diagrams showing other embodiments of the present invention. (Explanation of symbols), 1: Developing sleeve, 4, 4'
: Doctor plate, 5: Concave portion, 7: Pressure curved surface.
Claims (1)
する粒子搬送部材と、一端を支持された板状部材
の先端側の一部に前記表面の曲率より小さい曲率
を備えた凹部が形成されており該凹部を前記表面
に圧接させて搬送されてくる粒子の層厚を規制す
る層厚規制部材とを有し、前記圧接点から前記先
端までの距離が前記凹部の最深位置から前記先端
までの距離より小さいことを特徴とする粒子層厚
制御装置。 ２ 上記第１項において、前記粒子は磁性現像剤
であることを特徴とする粒子層厚制御装置。 ３ 上記第２項において、前記層厚規制部材の少
なくとも一部が磁性体からなり前記搬送部材の裏
側に磁石が配設されていることを特徴とする粒子
層厚制御装置。 ４ 上記第１項において、前記凹部は前記層厚規
制部材の表面の一部を研磨して形成されているこ
とを特徴とする粒子層厚制御装置。[Claims for Utility Model Registration] 1. A particle transport member that supports and transports particles on a surface with a predetermined curvature, and a part of the tip side of a plate-shaped member supported at one end that has a curvature smaller than the curvature of the surface. and a layer thickness regulating member for regulating the layer thickness of particles conveyed by pressing the recess against the surface, and the distance from the pressure contact point to the tip is equal to the recess. A particle layer thickness control device characterized in that the distance is smaller than the distance from the deepest position to the tip. 2. The particle layer thickness control device according to item 1 above, wherein the particles are magnetic developer. 3. The particle layer thickness control device according to item 2 above, wherein at least a portion of the layer thickness regulating member is made of a magnetic material and a magnet is disposed on the back side of the conveying member. 4. The particle layer thickness control device according to item 1 above, wherein the recess is formed by polishing a part of the surface of the layer thickness regulating member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17998784U JPH046038Y2 (en) | 1984-11-29 | 1984-11-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17998784U JPH046038Y2 (en) | 1984-11-29 | 1984-11-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6194847U true JPS6194847U (en) | 1986-06-18 |
| JPH046038Y2 JPH046038Y2 (en) | 1992-02-19 |
Family
ID=30737551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17998784U Expired JPH046038Y2 (en) | 1984-11-29 | 1984-11-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH046038Y2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016081038A (en) * | 2014-10-20 | 2016-05-16 | キヤノン株式会社 | Development device, process cartridge, and image forming apparatus |
| JP2020194141A (en) * | 2019-05-30 | 2020-12-03 | 藤倉コンポジット株式会社 | Developing blade and method for manufacturing the same |
| JP2020194140A (en) * | 2019-05-30 | 2020-12-03 | 藤倉コンポジット株式会社 | Developing blade and method for manufacturing the same |
-
1984
- 1984-11-29 JP JP17998784U patent/JPH046038Y2/ja not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016081038A (en) * | 2014-10-20 | 2016-05-16 | キヤノン株式会社 | Development device, process cartridge, and image forming apparatus |
| JP2020194141A (en) * | 2019-05-30 | 2020-12-03 | 藤倉コンポジット株式会社 | Developing blade and method for manufacturing the same |
| JP2020194140A (en) * | 2019-05-30 | 2020-12-03 | 藤倉コンポジット株式会社 | Developing blade and method for manufacturing the same |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH046038Y2 (en) | 1992-02-19 |
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