JPS63140555U - - Google Patents
Info
- Publication number
- JPS63140555U JPS63140555U JP3267187U JP3267187U JPS63140555U JP S63140555 U JPS63140555 U JP S63140555U JP 3267187 U JP3267187 U JP 3267187U JP 3267187 U JP3267187 U JP 3267187U JP S63140555 U JPS63140555 U JP S63140555U
- Authority
- JP
- Japan
- Prior art keywords
- developer
- developing device
- poles
- developing
- utility
- 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
- 230000005684 electric field Effects 0.000 claims 1
Landscapes
- Magnetic Brush Developing In Electrophotography (AREA)
- Developing For Electrophotography (AREA)
Description
第１図は本考案現像装置実施例の縦断面図、第
２図は従来実施例の縦断面図、１は像担持体、２
は現像スリーブ、３はスリーブ内固定マグネツト
、４，５は搬送スクリユー、６はカツトブレード
、１０は現像剤、１１はハウジング、１３は現像
バイアス。
FIG. 1 is a longitudinal sectional view of an embodiment of the developing device of the present invention, FIG. 2 is a longitudinal sectional view of a conventional embodiment, 1 is an image carrier, 2
1 is a developing sleeve, 3 is a magnet fixed within the sleeve, 4 and 5 are conveyance screws, 6 is a cutting blade, 10 is a developer, 11 is a housing, and 13 is a developing bias.
Claims (1)
現像剤を保持し、潜像担持体に対向した現像位置
まで搬送し、現像位置で交互電界を形成して現像
を行う装置に於いて、現像器内の現像剤を該回転
スリーブ上に供給する位置から現像位置までの間
で該現像剤の搬送磁極が少なくとも３極以上の複
数の搬送極を有することを特徴とする現像装置。 (2) 複数搬送極が現像剤供給位置から現像剤カ
ツト位置の間にあること、または現像剤カツト位
置から現像位置の間にあること、もしくは両方に
あることを特徴とする実用新案登録請求の範囲第
１項記載の現像装置。 (3) 複数搬送極のスリーブ上ピツチが５mm以下
であることを特徴とする実用新案登録請求の範囲
第１項もしくは第２項記載の現像装置。 (4) 現像剤層の厚みより大きな現像間隙を保持
することを特徴とする実用新案登録請求の範囲第
１項乃至第３項夫々に記載の現像装置。[Claims for Utility Model Registration] (1) A developer is held on a rotating sleeve having a fixed magnet inside, is conveyed to a development position facing a latent image carrier, and is developed by forming an alternating electric field at the development position. The device is characterized in that the developer has a plurality of transport magnetic poles, at least three poles, between a position where the developer in the developing device is supplied onto the rotating sleeve and a developing position. A developing device. (2) A utility model registration request characterized in that multiple transport poles are located between the developer supply position and the developer cut position, or between the developer cut position and the development position, or both. Developing device according to scope 1. (3) The developing device according to claim 1 or 2, wherein the pitch on the sleeve of the plurality of transport poles is 5 mm or less. (4) The developing device according to each of claims 1 to 3 of the utility model registration claim, which is characterized by maintaining a developing gap larger than the thickness of the developer layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3267187U JPS63140555U (en) | 1987-03-06 | 1987-03-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3267187U JPS63140555U (en) | 1987-03-06 | 1987-03-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63140555U true JPS63140555U (en) | 1988-09-16 |
Family
ID=30839573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3267187U Pending JPS63140555U (en) | 1987-03-06 | 1987-03-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63140555U (en) |
-
1987
- 1987-03-06 JP JP3267187U patent/JPS63140555U/ja active Pending
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