JPH0349558U - - Google Patents
Info
- Publication number
- JPH0349558U JPH0349558U JP11046889U JP11046889U JPH0349558U JP H0349558 U JPH0349558 U JP H0349558U JP 11046889 U JP11046889 U JP 11046889U JP 11046889 U JP11046889 U JP 11046889U JP H0349558 U JPH0349558 U JP H0349558U
- Authority
- JP
- Japan
- Prior art keywords
- roller
- developing roller
- developing
- developing device
- developer
- 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
- 108091008695 photoreceptors Proteins 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims 2
- 238000003384 imaging method Methods 0.000 claims 1
Landscapes
- Dry Development In Electrophotography (AREA)
Description
第１図はこの考案に係る一実施例を示す現像装
置の断面図、第２図は第１図の要部斜視図、第３
図は第１図の横断面図、第４図ａ，ｂは第１図の
作動を説明する断面図、第５図ａ，ｂ，ｃは作用
説明図、第６図は従来例の断面図である。
３……ケーシング、８……現像ローラ、１１…
…遮蔽板、１２……感光体ドラム、Ｔ……トナー
（現像剤）。
FIG. 1 is a sectional view of a developing device showing an embodiment of this invention, FIG. 2 is a perspective view of the main part of FIG. 1, and FIG.
The figure is a cross-sectional view of Fig. 1, Fig. 4 a and b are sectional views explaining the operation of Fig. 1, Fig. 5 a, b, and c are explanatory views of the operation, and Fig. 6 is a sectional view of the conventional example. It is. 3...Casing, 8...Developing roller, 11...
...Shielding plate, 12... Photoreceptor drum, T... Toner (developer).
Claims (1)
ローラを備え、感光体上の静電潜像に現像剤を付
着してこれを顕像化する現像装置において、前記
現像ローラに接することにより該ローラ上への現
像剤の供給を停止する作像不可能姿勢と退避する
ことにより供給停止を解除する作像可能姿勢との
間を移動可能な遮蔽板をケーシング内に設けたこ
とを特徴とする現像装置。 (2) 前記遮蔽板は、現像ローラの軸心を中心と
して回動可能に構成され、前記現像ローラに連結
されて該ローラの駆動時に作像可能姿勢となる一
方、非駆動時に作像不可能姿勢となることを特徴
とする請求項(1)記載の現像装置。[Scope of Claim for Utility Model Registration] (1) In a developing device that is equipped with a developing roller that is pivotally supported within a fixed casing and that applies a developer to an electrostatic latent image on a photoreceptor to visualize it. , a shielding plate movable between a non-imaging position in which the supply of developer onto the developing roller is stopped by contacting the developing roller and an image-forming possible position in which the stoppage of the developer is canceled by retracting the casing; A developing device characterized in that it is provided inside. (2) The shielding plate is configured to be rotatable around the axis of the developing roller, and is connected to the developing roller so that it is in a posture in which image formation is possible when the roller is driven, but in a position in which image formation is not possible when the roller is not driven. 2. The developing device according to claim 1, wherein the developing device is in a posture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11046889U JPH0349558U (en) | 1989-09-21 | 1989-09-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11046889U JPH0349558U (en) | 1989-09-21 | 1989-09-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0349558U true JPH0349558U (en) | 1991-05-15 |
Family
ID=31658997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11046889U Pending JPH0349558U (en) | 1989-09-21 | 1989-09-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0349558U (en) |
-
1989
- 1989-09-21 JP JP11046889U patent/JPH0349558U/ja active Pending