JPH0245564U - - Google Patents
Info
- Publication number
- JPH0245564U JPH0245564U JP12255488U JP12255488U JPH0245564U JP H0245564 U JPH0245564 U JP H0245564U JP 12255488 U JP12255488 U JP 12255488U JP 12255488 U JP12255488 U JP 12255488U JP H0245564 U JPH0245564 U JP H0245564U
- Authority
- JP
- Japan
- Prior art keywords
- sleeve
- toner
- developing device
- doctor blade
- photosensitive drum
- 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
- 239000000843 powder Substances 0.000 claims 1
- 229910001220 stainless steel Inorganic materials 0.000 claims 1
- 239000010935 stainless steel Substances 0.000 claims 1
Landscapes
- Magnetic Brush Developing In Electrophotography (AREA)
- Dry Development In Electrophotography (AREA)
Description
第１図は、本考案の印刷装置の構成を示す断面
図、第２図は本考案の現像装置の構成を示す断面
図、第３図、第４図は本考案のトナー露過部を示
す斜視図。第５図は従来の現像装置の構成を示す
断面図。
１……感光ドラム、４……現像装置、４ａ……
スリーブ、２４……非磁性体筒、２５……トナー
、２６……ドクターブレード、２７……トナー落
し部材、２８……トナー露過部材、１０２……非
磁性体筒、１０３……トナー、１０４……ドクタ
ーブレード。
FIG. 1 is a cross-sectional view showing the configuration of the printing device of the present invention, FIG. 2 is a cross-sectional view showing the configuration of the developing device of the present invention, and FIGS. 3 and 4 show the toner exposed portion of the present invention. Perspective view. FIG. 5 is a sectional view showing the configuration of a conventional developing device. 1... Photosensitive drum, 4... Developing device, 4a...
Sleeve, 24...Nonmagnetic tube, 25...Toner, 26...Doctor blade, 27...Toner removal member, 28...Toner exposure member, 102...Nonmagnetic tube, 103...Toner, 104 ...Doctor Blade.
Claims (1)
像を粉体トナーを用いて顕像化する現像装置にお
いて、中心に永久磁石を持ち、周りにステンレス
等の筒で形成されたスリーブと、該スリーブの円
周上に均一の隙間を設けて、トナー層の層高さを
規制するドクターブレードと前記スリーブに当接
して、前記ドクターブレードによつて形成された
トナー層を落とすトナー落し部材とから構成され
、前記トナー落し部材のスリーブ当接側と反対側
に網状もしくはすだれ状の露過部材を設けたこと
を特徴とする現像装置。 A photosensitive drum based on the principle of electrophotography and a developing device that visualizes a latent image on the photosensitive drum using powder toner include a sleeve having a permanent magnet in the center and a cylinder made of stainless steel or the like around it, and the sleeve. A doctor blade that regulates the height of the toner layer by providing a uniform gap on the circumference of the sleeve, and a toner removing member that comes into contact with the sleeve and removes the toner layer formed by the doctor blade. A developing device characterized in that a mesh-like or blind-like exposing member is provided on the opposite side of the sleeve contacting side of the toner removing member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12255488U JPH0245564U (en) | 1988-09-19 | 1988-09-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12255488U JPH0245564U (en) | 1988-09-19 | 1988-09-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0245564U true JPH0245564U (en) | 1990-03-28 |
Family
ID=31370595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12255488U Pending JPH0245564U (en) | 1988-09-19 | 1988-09-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0245564U (en) |
-
1988
- 1988-09-19 JP JP12255488U patent/JPH0245564U/ja active Pending