JPH0422747U - - Google Patents
Info
- Publication number
- JPH0422747U JPH0422747U JP6225590U JP6225590U JPH0422747U JP H0422747 U JPH0422747 U JP H0422747U JP 6225590 U JP6225590 U JP 6225590U JP 6225590 U JP6225590 U JP 6225590U JP H0422747 U JPH0422747 U JP H0422747U
- Authority
- JP
- Japan
- Prior art keywords
- developing sleeve
- circumferential surface
- casing
- inner circumferential
- developing
- 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
- 230000002265 prevention Effects 0.000 claims 1
- 239000003566 sealing material Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 2
Landscapes
- Dry Development In Electrophotography (AREA)
- Electrophotography Configuration And Component (AREA)
Description
第１図は、本実施例のシール材支持構造を示す
要部の断面図、第２図は、本実施例のシール材支
持構造を備えたケーシングの要部の斜視図、第３
図は、本実施例のシール材支持構造が備えられて
いる現像器ユニツトの外観図、第４図は、現像ス
リーブが備えられている現像器ユニツトの断面図
、第５図は、第４図に示す現像器ユニツトの斜視
図、第６図は、従来例を示すシール材支持構造の
要部の断面図、第７図ａ，ｂは、それぞれ他の従
来例を示すシール材支持構造の要部の断面図であ
る。
３……現像スリーブ、１１……囲繞部材、１１
ａ……囲繞部材の先端、１８……ケーシング、１
９……傾斜面、２０……シール部材。
FIG. 1 is a sectional view of the main parts showing the seal material support structure of this embodiment, FIG. 2 is a perspective view of the main parts of the casing equipped with the seal material support structure of this embodiment, and FIG.
The figure is an external view of a developing device unit equipped with the sealing material support structure of this embodiment, FIG. 4 is a sectional view of the developing device unit equipped with a developing sleeve, and FIG. 6 is a sectional view of a main part of a sealing material support structure showing a conventional example, and FIGS. 7a and 7b are main parts of a sealing material supporting structure showing other conventional examples. FIG. 3... Developing sleeve, 11... Surrounding member, 11
a... Tip of surrounding member, 18... Casing, 1
9... Inclined surface, 20... Seal member.
Claims (1)
リーブと、 該現像スリーブを囲繞するケーシングと、 前記現像スリーブ端部周面と該端部周面に所定
の間隙を有して取り囲むように形成された前記ケ
ーシング端部の内周面との前記間隙に配設される
現像剤漏れ防止部材とを備えた現像装置において
、 前記ケーシング端部の内周面を前記間隙が現像
スリーブ端部に向かつて漸次広くなるテーパ状と
したことを特徴とする現像装置。[Claims for Utility Model Registration] A developing sleeve that supports and rotates developer on its surface, a casing that surrounds the developing sleeve, and a predetermined gap between an end circumferential surface of the developing sleeve and the end circumferential surface of the developing sleeve. and a developer leak prevention member disposed in the gap between the inner circumferential surface of the casing end and the inner circumferential surface of the casing end formed to surround the inner circumferential surface of the casing end. A developing device characterized in that the developing sleeve has a tapered shape that gradually widens toward the end of the developing sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990062255U JP2537355Y2 (en) | 1990-06-14 | 1990-06-14 | Rotary roll support structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990062255U JP2537355Y2 (en) | 1990-06-14 | 1990-06-14 | Rotary roll support structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0422747U true JPH0422747U (en) | 1992-02-25 |
| JP2537355Y2 JP2537355Y2 (en) | 1997-05-28 |
Family
ID=31591233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990062255U Expired - Fee Related JP2537355Y2 (en) | 1990-06-14 | 1990-06-14 | Rotary roll support structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2537355Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002022257A (en) * | 2000-07-06 | 2002-01-23 | Nihon Sekkei Inc | Ventilation damper |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6285279A (en) * | 1986-05-17 | 1987-04-18 | Canon Inc | developing device |
-
1990
- 1990-06-14 JP JP1990062255U patent/JP2537355Y2/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6285279A (en) * | 1986-05-17 | 1987-04-18 | Canon Inc | developing device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002022257A (en) * | 2000-07-06 | 2002-01-23 | Nihon Sekkei Inc | Ventilation damper |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2537355Y2 (en) | 1997-05-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |