JPS644454U - - Google Patents
Info
- Publication number
- JPS644454U JPS644454U JP9977587U JP9977587U JPS644454U JP S644454 U JPS644454 U JP S644454U JP 9977587 U JP9977587 U JP 9977587U JP 9977587 U JP9977587 U JP 9977587U JP S644454 U JPS644454 U JP S644454U
- Authority
- JP
- Japan
- Prior art keywords
- sealing member
- magnet roller
- developing device
- toner developing
- photoreceptor
- 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
- 238000007789 sealing Methods 0.000 claims 5
- 239000000463 material Substances 0.000 claims 2
- 108091008695 photoreceptors Proteins 0.000 claims 2
- 230000001105 regulatory effect Effects 0.000 claims 1
- 229920006267 polyester film Polymers 0.000 description 1
Landscapes
- Magnetic Brush Developing In Electrophotography (AREA)
- Dry Development In Electrophotography (AREA)
Description
図面はいずれも本考案の一実施例を示し、第１
図は断面図、第２図は部分斜視図、第３図はマグ
ネツトローラを離脱させた状態の部分斜視図、第
４図はシール部材の斜視図である。
１……感光体ドラム、２……現像装置、３……
筐体、４……開口、５……マグネツトローラ、１
０……シール部材、１１……ポリエステルフイル
ム、１２……毛ブラシ部材。
Each of the drawings shows an embodiment of the present invention.
2 is a sectional view, FIG. 2 is a partial perspective view, FIG. 3 is a partial perspective view with the magnet roller removed, and FIG. 4 is a perspective view of the seal member. 1...Photosensitive drum, 2...Developing device, 3...
Housing, 4...Opening, 5...Magnetic roller, 1
0... Seal member, 11... Polyester film, 12... Hair brush member.
Claims (1)
され、この開口の内部にマグネツトローラが内蔵
されると共に、このマグネツトローラの周側表面
に穂立した現像剤の高さを規制するためのドクタ
ーブレードが設けられているトナー現像装置にお
いて、 前記マグネツトローラの、感光体の非現像領域
に対峙する領域の少なくとも一部を覆うシール部
材が設けられ、このシール部材の一端は筐体に固
着され、他端部近傍は前記ドクターブレードによ
つてマグネツトローラ側に押圧されていることを
特徴とするトナー現像装置。 ２ シール部材は、プラスチツク製のテープ材と
、そのマグネツトローラ側に設けられているブラ
シ部材とによつて構成されている実用新案登録請
求の範囲第１項に記載のトナー現像装置。 ３ シール部材は、プラスチツク製のテープ材と
、そのマグネツトローラ側に固着されているスポ
ンジ部材とによつて構成されている実用新案登録
請求の範囲第１項に記載のトナー現像装置。[Scope of Claim for Utility Model Registration] 1. An opening is formed in the part of the housing that faces the photoreceptor, a magnet roller is built inside this opening, and a spike is provided on the circumferential surface of the magnet roller. In a toner developing device that is provided with a doctor blade for regulating the height of the developed developer, a sealing member is provided that covers at least a portion of an area of the magnet roller that faces a non-developing area of the photoreceptor. . A toner developing device, wherein one end of the sealing member is fixed to the housing, and the vicinity of the other end is pressed toward the magnet roller by the doctor blade. 2. The toner developing device according to claim 1, wherein the sealing member is constituted by a plastic tape material and a brush member provided on the magnetic roller side of the sealing member. 3. The toner developing device according to claim 1, wherein the sealing member is constituted by a plastic tape material and a sponge member fixed to the magnet roller side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987099775U JP2535226Y2 (en) | 1987-06-29 | 1987-06-29 | Toner developing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987099775U JP2535226Y2 (en) | 1987-06-29 | 1987-06-29 | Toner developing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS644454U true JPS644454U (en) | 1989-01-11 |
| JP2535226Y2 JP2535226Y2 (en) | 1997-05-07 |
Family
ID=31327244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987099775U Expired - Lifetime JP2535226Y2 (en) | 1987-06-29 | 1987-06-29 | Toner developing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2535226Y2 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58121059U (en) * | 1982-02-10 | 1983-08-17 | キヤノン株式会社 | developing device |
| JPS6010276A (en) * | 1983-06-29 | 1985-01-19 | Matsushita Electric Ind Co Ltd | Developing device |
| JPS61204657A (en) * | 1985-03-08 | 1986-09-10 | Hitachi Ltd | Preventing device for toner scatter of developing device |
-
1987
- 1987-06-29 JP JP1987099775U patent/JP2535226Y2/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58121059U (en) * | 1982-02-10 | 1983-08-17 | キヤノン株式会社 | developing device |
| JPS6010276A (en) * | 1983-06-29 | 1985-01-19 | Matsushita Electric Ind Co Ltd | Developing device |
| JPS61204657A (en) * | 1985-03-08 | 1986-09-10 | Hitachi Ltd | Preventing device for toner scatter of developing device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2535226Y2 (en) | 1997-05-07 |