JPS6329158U - - Google Patents
Info
- Publication number
- JPS6329158U JPS6329158U JP12277686U JP12277686U JPS6329158U JP S6329158 U JPS6329158 U JP S6329158U JP 12277686 U JP12277686 U JP 12277686U JP 12277686 U JP12277686 U JP 12277686U JP S6329158 U JPS6329158 U JP S6329158U
- Authority
- JP
- Japan
- Prior art keywords
- developer
- developing
- foreign matter
- developing sleeve
- storage tank
- 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
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 238000011109 contamination Methods 0.000 claims 3
- 230000002265 prevention Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Magnetic Brush Developing In Electrophotography (AREA)
- Dry Development In Electrophotography (AREA)
Description
第１図〜第３図は本考案の一実施例を示し、第
１図は本考案に係る電子写真現像装置の全体構成
を示す縦断面図、第２図および第３図は本考案装
置におけるトナーおよび異物の挙動説明図、第４
図は本考案の他の実施例を示す要部の部分拡大図
第５図は従来形電子写真現像装置の全体構成を示
す縦断面図である。
２……現像装置、３……磁性現像剤、４……現
像スリーブ、５……磁気ロール、６……現像剤規
制部材、８……現像部、９……現像剤貯蔵槽部、
１０……異物混入防止用板材、１０ｃ……網目、
１２……異物。
1 to 3 show an embodiment of the present invention, FIG. 1 is a longitudinal cross-sectional view showing the overall structure of an electrophotographic developing device according to the present invention, and FIGS. 2 and 3 show an embodiment of the present invention. Diagram explaining the behavior of toner and foreign matter, No. 4
FIG. 5 is a partially enlarged view of essential parts showing another embodiment of the present invention. FIG. 5 is a longitudinal sectional view showing the overall structure of a conventional electrophotographic developing device. 2...Developing device, 3...Magnetic developer, 4...Developing sleeve, 5...Magnetic roll, 6...Developer regulating member, 8...Developing section, 9...Developer storage tank section,
10...Plate material for preventing foreign matter from entering, 10c...Mesh,
12...Foreign object.
Claims (1)
する現像スリーブと、現像スリーブ上に担持され
て搬送されてくる磁性現像剤の層厚を規制する現
像剤規制部材とを備え、現像スリーブ上、現像剤
貯蔵槽、現像剤規制部材、現像部、現像剤貯蔵槽
の順に現像剤を搬送する構造の電子写真現像装置
において、上記現像部と現像剤貯蔵槽との間に位
置して、現像スリーブ周面と対向する網目状構造
の異物混入防止用板材を配設したことを特徴とす
る電子写真現像装置。 ２ 実用新案登録請求の範囲第１項記載の考案に
おいて、異物混入防止用板材を着脱自在とした電
子写真現像装置。 ３ 実用新案登録請求の範囲第１項または第２項
記載の考案において、異物混入防止用板材の網目
は、現像剤規制部材と現像スリーブとの間隔をＧ
１、異物混入防止用板材の有する網目の目開き寸
法をＧ２とした時、 Ｇ１≦Ｇ２≦２Ｇ１
の範囲に設定した電子写真現像装置。[Claims for Utility Model Registration] 1. A developing sleeve having a magnetic roll rotatably installed therein, and a developer regulating member for regulating the layer thickness of the magnetic developer carried and conveyed on the developing sleeve. In an electrophotographic developing apparatus having a structure in which the developer is conveyed in the order of the developing sleeve, the developer storage tank, the developer regulating member, the developing section, and the developer storage tank, between the developing section and the developer storage tank. An electrophotographic developing device characterized in that a foreign matter prevention plate member having a mesh structure is disposed opposite the circumferential surface of a developing sleeve. 2. An electrophotographic developing device according to the invention set forth in claim 1 of the utility model registration, in which a plate material for preventing foreign matter contamination is detachable. 3 In the device described in claim 1 or 2 of the utility model registration claim, the mesh of the plate material for preventing foreign matter contamination is such that the distance between the developer regulating member and the developing sleeve is
1. When the opening size of the mesh of the plate material for preventing foreign matter contamination is set to G2 , G1 ≦G 2 ≦2G 1
An electrophotographic developing device set within the range of .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12277686U JPS6329158U (en) | 1986-08-08 | 1986-08-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12277686U JPS6329158U (en) | 1986-08-08 | 1986-08-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6329158U true JPS6329158U (en) | 1988-02-25 |
Family
ID=31013288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12277686U Pending JPS6329158U (en) | 1986-08-08 | 1986-08-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6329158U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63191355U (en) * | 1987-05-28 | 1988-12-09 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6153761B2 (en) * | 1979-06-29 | 1986-11-19 | Matsushita Electric Ind Co Ltd |
-
1986
- 1986-08-08 JP JP12277686U patent/JPS6329158U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6153761B2 (en) * | 1979-06-29 | 1986-11-19 | Matsushita Electric Ind Co Ltd |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63191355U (en) * | 1987-05-28 | 1988-12-09 |
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