JPH0479370U - - Google Patents
Info
- Publication number
- JPH0479370U JPH0479370U JP12285590U JP12285590U JPH0479370U JP H0479370 U JPH0479370 U JP H0479370U JP 12285590 U JP12285590 U JP 12285590U JP 12285590 U JP12285590 U JP 12285590U JP H0479370 U JPH0479370 U JP H0479370U
- Authority
- JP
- Japan
- Prior art keywords
- developing
- developing device
- casing
- developing roll
- fixed
- 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
- 230000002093 peripheral effect Effects 0.000 claims 2
- 238000001179 sorption measurement Methods 0.000 claims 1
- 230000002265 prevention Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 1
Landscapes
- Magnetic Brush Developing In Electrophotography (AREA)
- Dry Development In Electrophotography (AREA)
Description
第1図a,bは本考案の現像剤漏れ防止部材の
構成図、第2図は本考案の現像剤漏れ防止部材を
貼着した状態を示す概略断面図、第3図は第2図
に示す状態に現像ロールを装着した状態を示す概
略断面図、第4図は現像ロールを装着する方法の
一例の説明図、第5図は本考案に係る現像装置の
外観図、第6図は従来の現像装置の模式的断面図
、第7図は従来の現像装置の一部を破断して示す
斜視図である。
1……現像装置、2……ケーシング、2a……
ケーシングの端部、3……現像ロール、3a……
現像ロールの端部、4……現像剤漏れ防止部材、
a……板ばね、b……フエルト層、c……スポン
ジ層。
Figures 1a and b are configuration diagrams of the developer leak prevention member of the present invention, Figure 2 is a schematic sectional view showing the state in which the developer leak prevention member of the present invention is attached, and Figure 3 is the same as Figure 2. 4 is an explanatory diagram of an example of a method of mounting the developing roll, FIG. 5 is an external view of the developing device according to the present invention, and FIG. 6 is a conventional one. FIG. 7 is a schematic cross-sectional view of a conventional developing device, and FIG. 7 is a partially cutaway perspective view of the conventional developing device. 1...Developing device, 2...Casing, 2a...
End of casing, 3...Developing roll, 3a...
End of the developing roll, 4...Developer leakage prevention member,
a... leaf spring, b... felt layer, c... sponge layer.
Claims (1)
像ロールと、該現像ロールを支持すると共に、該
現像ロールの端部の周面との間に所定の間隙を形
成しつつ囲繞するような内周面を有する端部が設
けられるケーシングと、該間隙に配設される現像
剤漏れ防止部材とを備える現像装置において、 上記現像剤漏れ防止部材を、上記現像ロールの
端部の周面と摺擦するフエルト層と、上記ケーシ
ングの端部の内周面に固着されるスポンジ層と、
該フエルト層と該スポンジ層との間に一体的に介
装固着される板ばねとで構成したことを特徴とす
る現像装置。[Claims for Utility Model Registration] A predetermined gap is formed between a developing roll that carries developer by adsorption on its surface and rotates to convey it, and a circumferential surface of an end of the developing roll that supports the developing roll. In the developing device, the developing device includes a casing having an end portion having an inner circumferential surface that surrounds the developing roller, and a developer leak preventing member disposed in the gap. a felt layer that rubs against the peripheral surface of the end; a sponge layer that is fixed to the inner peripheral surface of the end of the casing;
A developing device comprising a leaf spring integrally interposed and fixed between the felt layer and the sponge layer.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1990122855U JP2538010Y2 (en) | 1990-11-22 | 1990-11-22 | Developing device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1990122855U JP2538010Y2 (en) | 1990-11-22 | 1990-11-22 | Developing device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0479370U true JPH0479370U (en) | 1992-07-10 |
JP2538010Y2 JP2538010Y2 (en) | 1997-06-04 |
Family
ID=31870598
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1990122855U Expired - Fee Related JP2538010Y2 (en) | 1990-11-22 | 1990-11-22 | Developing device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2538010Y2 (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61129664A (en) * | 1984-11-29 | 1986-06-17 | Toshiba Corp | Developing device |
JPS6227770A (en) * | 1985-07-29 | 1987-02-05 | Fuji Xerox Co Ltd | Developing device for one-component developer |
-
1990
- 1990-11-22 JP JP1990122855U patent/JP2538010Y2/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61129664A (en) * | 1984-11-29 | 1986-06-17 | Toshiba Corp | Developing device |
JPS6227770A (en) * | 1985-07-29 | 1987-02-05 | Fuji Xerox Co Ltd | Developing device for one-component developer |
Also Published As
Publication number | Publication date |
---|---|
JP2538010Y2 (en) | 1997-06-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
LAPS | Cancellation because of no payment of annual fees |