JPS626755U - - Google Patents
Info
- Publication number
- JPS626755U JPS626755U JP9856685U JP9856685U JPS626755U JP S626755 U JPS626755 U JP S626755U JP 9856685 U JP9856685 U JP 9856685U JP 9856685 U JP9856685 U JP 9856685U JP S626755 U JPS626755 U JP S626755U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- roll
- rolls
- brush device
- poles
- 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
- 239000006247 magnetic powder Substances 0.000 claims description 2
- 239000004482 other powder Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Landscapes
- Magnetic Brush Developing In Electrophotography (AREA)
Description
第１図は本考案の磁気ブラシ装置の模式的構成
図、第２図ａ，ｂは第１図中の各磁気ロールの拡
大図、第３図は従来の磁気ブラシ装置の模式的構
成図である。
１……感光体ドラム、１ａ……感光層、２……
上流側スリーブ、３，２７……上流側磁気ロール
、４……下流側スリーブ、５，３５……下流側磁
気ロール、６……撹拌ロール、７……抽出ロール
、８……ブレード、９……トナーガイド、１０…
…スクリユーコンベア、１１……トナー搬送路、
１２……ユニツトケーシング、１３，１６，２６
……直流電源、１４……磁性粉、１５……規制部
材、１７，１８，１９，２０，２１，２２，２３
，２４，２５，３１，３２，３３，３４，３９，
４０……固定磁石、２８，３６……導電性ロール
、２９，３７……多磁極ロール、３０，３８……
支持ロール。
Fig. 1 is a schematic block diagram of the magnetic brush device of the present invention, Fig. 2 a and b are enlarged views of each magnetic roll in Fig. 1, and Fig. 3 is a schematic block diagram of a conventional magnetic brush device. be. 1... Photosensitive drum, 1a... Photosensitive layer, 2...
Upstream sleeve, 3, 27... Upstream magnetic roll, 4... Downstream sleeve, 5, 35... Downstream magnetic roll, 6... Stirring roll, 7... Extraction roll, 8... Blade, 9... ...Toner guide, 10...
... Screw conveyor, 11 ... Toner conveyance path,
12...Unit casing, 13, 16, 26
...DC power supply, 14...Magnetic powder, 15...Regulation member, 17, 18, 19, 20, 21, 22, 23
,24,25,31,32,33,34,39,
40...Fixed magnet, 28,36...Conductive roll, 29,37...Multi-magnetic pole roll, 30,38...
support roll.
Claims (1)
回転可能な多磁極ロールと、該多磁極ロール内に
固定配置した複数の磁極とを具備した磁気ロール
を複数個近接配置しており、該複数の磁気ロール
上に磁性粉が磁気的に吸引されて磁気ブラシを形
成していることを特徴とする磁気ブラシ装置。 (2) 前記複数の磁気ロールの内、互いに隣接す
る各磁気ロール内の、像担持体表面にそれぞれ最
も近接配置した磁極が互に異なることを特徴とす
る実用新案登録請求の範囲第１項記載の磁気ブラ
シ装置。[Scope of Claim for Utility Model Registration] (1) A rotatable multi-magnetic pole roll in which N and S magnetic poles are arranged alternately in the circumferential direction, and a plurality of magnetic poles fixedly arranged within the multi-magnetic pole roll. A magnetic brush device characterized in that a plurality of magnetic rolls are arranged close to each other, and magnetic powder is magnetically attracted onto the plurality of magnetic rolls to form a magnetic brush. (2) Among the plurality of magnetic rolls, the magnetic poles disposed closest to the surface of the image carrier in each adjacent magnetic roll are different from each other. magnetic brush device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9856685U JPS626755U (en) | 1985-06-27 | 1985-06-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9856685U JPS626755U (en) | 1985-06-27 | 1985-06-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS626755U true JPS626755U (en) | 1987-01-16 |
Family
ID=30966618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9856685U Pending JPS626755U (en) | 1985-06-27 | 1985-06-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS626755U (en) |
-
1985
- 1985-06-27 JP JP9856685U patent/JPS626755U/ja active Pending
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