JPH0360356U - - Google Patents
Info
- Publication number
- JPH0360356U JPH0360356U JP12194789U JP12194789U JPH0360356U JP H0360356 U JPH0360356 U JP H0360356U JP 12194789 U JP12194789 U JP 12194789U JP 12194789 U JP12194789 U JP 12194789U JP H0360356 U JPH0360356 U JP H0360356U
- Authority
- JP
- Japan
- Prior art keywords
- developing roller
- charging blade
- housing
- circumferential surface
- opening
- 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
- 230000003213 activating effect Effects 0.000 claims 1
Landscapes
- Dry Development In Electrophotography (AREA)
Description
第１図は本考案の第一の施例を示す一部を断面
とした側面図、第２図は第二の実施例を示す一部
を断面とした側面図、第３図及び第４図は従来例
を示す縦断側面図である。
２……ハウジング、３……開口、４……現像ロ
ーラ、７……トナー、９，１４……現像装置、１
０……帯電ブレード、１３……駆動源。
FIG. 1 is a partially sectional side view showing a first embodiment of the present invention, FIG. 2 is a partially sectional side view showing a second embodiment, and FIGS. 3 and 4. FIG. 2 is a longitudinal sectional side view showing a conventional example. 2...Housing, 3...Opening, 4...Developing roller, 7...Toner, 9, 14...Developing device, 1
0... Charged blade, 13... Drive source.
Claims (1)
ジングと、このハウジングの前記開口に位置して
回転自在に支持された現像ローラと、前記ハウジ
ングの開口縁部に位置して前記現像ローラの周面
に向かつて変位自在に支持された帯電ブレードと
、この帯電ブレードに連結された駆動源と、前記
駆動源を作動させて前記帯電ブレードを前記現像
ローラの周面に押圧する通常押圧手段と、前記駆
動源を停止させて前記帯電ブレードを前記現像ロ
ーラの周面に接触させるローラ変形防止手段とよ
りなり、前記帯電ブレードの前記現像ローラに対
する押圧を現像時には通常押圧状態に維持すると
共に非現像時には接触状態とするようにしたこと
を特徴とする現像装置。 a housing having an opening formed at the bottom and storing toner; a developing roller located in the opening of the housing and rotatably supported; and a developing roller located at the edge of the opening of the housing and attached to the circumferential surface of the developing roller. a charging blade movably supported on a facing surface; a driving source connected to the charging blade; a normal pressing means for activating the driving source to press the charging blade against the circumferential surface of the developing roller; roller deformation preventing means for stopping the power supply and bringing the charging blade into contact with the circumferential surface of the developing roller, and maintaining the pressing force of the charging blade against the developing roller in a normal pressing state during development and in a contact state during non-development. A developing device characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12194789U JPH0360356U (en) | 1989-10-18 | 1989-10-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12194789U JPH0360356U (en) | 1989-10-18 | 1989-10-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0360356U true JPH0360356U (en) | 1991-06-13 |
Family
ID=31669968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12194789U Pending JPH0360356U (en) | 1989-10-18 | 1989-10-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0360356U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11918327B2 (en) | 2016-12-28 | 2024-03-05 | Omron Corporation | Sphygmomanometer, blood pressure measurement method, and device |
-
1989
- 1989-10-18 JP JP12194789U patent/JPH0360356U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11918327B2 (en) | 2016-12-28 | 2024-03-05 | Omron Corporation | Sphygmomanometer, blood pressure measurement method, and device |