JPH01149658U - - Google Patents
Info
- Publication number
- JPH01149658U JPH01149658U JP4667788U JP4667788U JPH01149658U JP H01149658 U JPH01149658 U JP H01149658U JP 4667788 U JP4667788 U JP 4667788U JP 4667788 U JP4667788 U JP 4667788U JP H01149658 U JPH01149658 U JP H01149658U
- Authority
- JP
- Japan
- Prior art keywords
- belt
- toner
- contact
- developing device
- roller
- 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 1
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Landscapes
- Dry Development In Electrophotography (AREA)
Description
第１図は従来の現像装置を有する電子写真複写
機の概略図、第２図は本考案の一例の現像装置図
、第３図ａ〜ｅは本考案装置に用いられるリバー
スローラーの当接方法の説明図、第４図ａ〜ｃは
このリバースローラーの変形当接方法の説明図で
ある。
１……感光体ドラム、２……トナー担持体ベル
ト又は現像ベルト、３ａ，３ｂ……駆動又は従動
ローラー、４……現像容器、５……トナー供給部
材、６……トナー薄層化部材又はブレード、７…
…除電ブラシ、８……非磁性１成分系トナー、９
……アジテーター、１０……リバースローラー。
Fig. 1 is a schematic diagram of an electrophotographic copying machine having a conventional developing device, Fig. 2 is a diagram of an example of the developing device of the present invention, and Figs. 3 a to e are a method of contacting the reverse roller used in the device of the present invention. FIGS. 4a to 4c are explanatory views of the deformation contact method of this reverse roller. 1... Photosensitive drum, 2... Toner carrier belt or developing belt, 3a, 3b... Drive or driven roller, 4... Developer container, 5... Toner supply member, 6... Toner thinning member or Blade, 7...
... Static elimination brush, 8 ... Non-magnetic one-component toner, 9
...Agitator, 10...Reverse roller.
Claims (1)
従動ローラーによつて支持されたトナー担持体ベ
ルトと、このベルト表面に非磁性１成分系トナー
を供給するための部材と、ベルト表面に供給され
たトナーを薄層化するための部材とを組合せた現
像装置において、前記トナー供給部材として、前
記ベルトの感光体と接する面とは反対の面に、ベ
ルトとは逆方向に回転可能で、且つ表面が低ない
し高硬度のリバースローラーを、ベルトとリバー
スローラーとの当接により形成される楔状断面の
先端が水平面に対し下向きになるように当接した
ことを特徴とする現像装置。 A toner carrier belt supported by a driving roller and a driven roller in contact with the surface of the photosensitive drum, a member for supplying non-magnetic one-component toner to the belt surface, and the toner supplied to the belt surface. In the developing device, the toner supplying member includes a toner supplying member that is rotatable in the opposite direction to the belt and has a surface that is opposite to the surface that contacts the photoreceptor of the belt. A developing device characterized in that a reverse roller of low to high hardness is brought into contact with the belt so that the tip of the wedge-shaped cross section formed by the contact between the belt and the reverse roller faces downward with respect to a horizontal plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4667788U JPH01149658U (en) | 1988-04-05 | 1988-04-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4667788U JPH01149658U (en) | 1988-04-05 | 1988-04-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01149658U true JPH01149658U (en) | 1989-10-17 |
Family
ID=31272939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4667788U Pending JPH01149658U (en) | 1988-04-05 | 1988-04-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01149658U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012083493A (en) * | 2010-10-08 | 2012-04-26 | Oki Data Corp | Developing device, and image forming device using the developing device |
-
1988
- 1988-04-05 JP JP4667788U patent/JPH01149658U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012083493A (en) * | 2010-10-08 | 2012-04-26 | Oki Data Corp | Developing device, and image forming device using the developing device |
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