JPS644451U - - Google Patents
Info
- Publication number
- JPS644451U JPS644451U JP9807887U JP9807887U JPS644451U JP S644451 U JPS644451 U JP S644451U JP 9807887 U JP9807887 U JP 9807887U JP 9807887 U JP9807887 U JP 9807887U JP S644451 U JPS644451 U JP S644451U
- Authority
- JP
- Japan
- Prior art keywords
- toner
- screw conveyor
- developing device
- supplying
- screw
- 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
- 238000003756 stirring Methods 0.000 claims description 3
Landscapes
- Magnetic Brush Developing In Electrophotography (AREA)
- Dry Development In Electrophotography (AREA)
Description
第1図および第5図ないし第7図は本考案の一
実施例を示し、第2図ないし第4図は従来装置を
示す。第1図は平面図、第2図は断面図、第3図
は平面図、第4図は―断面図、第5図は―
断面図、第6図、第7図はスクリユーユニツト
の平面図である。
6a,6b……スクリユーコンベア、8,8a
,8b,8c……スクリユーユニツト、10……
螺旋帯、11……かくはん羽根、15……トナー
、16……キヤリア、17……トナーホツパ。
1 and 5 to 7 show an embodiment of the present invention, and FIGS. 2 to 4 show a conventional device. Figure 1 is a plan view, Figure 2 is a sectional view, Figure 3 is a plan view, Figure 4 is a sectional view, and Figure 5 is a sectional view.
The sectional view, FIGS. 6 and 7 are plan views of the screw unit. 6a, 6b... Screw conveyor, 8, 8a
, 8b, 8c...screw unit, 10...
Spiral band, 11... stirring blade, 15... toner, 16... carrier, 17... toner hopper.
Claims (1)
のスクリユーコンベアが内蔵されているトナー現
像装置において、 前記スクリユーコンベアの端部から、その回転
軸線の延在方向にトナーを供給する手段が備えら
れ、このトナー供給手段のトナー供給速度は、前
記スクリユーコンベアのキヤリア搬送速度よりも
大であることを特徴とするトナー現像装置。 2 トナー供給手段は、スクリユーコンベアの回
転軸線と共通の回転軸線を有するスクリユーであ
る実用新案登録請求の範囲第1項に記載のトナー
現像装置。 3 スクリユーコンベアには、その回転軸線の延
在方向と平行な方向に延在するかくはん羽根が備
えられており、トナー供給用のスクリユーにはか
くはん羽根が備えられていない実用新案登録請求
の範囲第2項に記載のトナー現像装置。[Scope of Claim for Utility Model Registration] 1. In a toner developing device incorporating a screw conveyor for mixing and conveying toner and carrier, from the end of the screw conveyor in the direction in which the axis of rotation thereof extends. A toner developing device comprising means for supplying toner, and a toner supplying speed of the toner supplying means is higher than a carrier conveying speed of the screw conveyor. 2. The toner developing device according to claim 1, wherein the toner supply means is a screw having a rotation axis common to the rotation axis of the screw conveyor. 3. The screw conveyor is equipped with stirring blades extending in a direction parallel to the direction of its rotational axis, and the screw for supplying toner is not equipped with stirring blades.Claim for Utility Model Registration The toner developing device according to item 2.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9807887U JPS644451U (en) | 1987-06-25 | 1987-06-25 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9807887U JPS644451U (en) | 1987-06-25 | 1987-06-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS644451U true JPS644451U (en) | 1989-01-11 |
Family
ID=31324020
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9807887U Pending JPS644451U (en) | 1987-06-25 | 1987-06-25 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS644451U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002278235A (en) * | 2001-03-19 | 2002-09-27 | Kyocera Corp | Developing device and image forming device |
JP2002278232A (en) * | 2001-03-15 | 2002-09-27 | Kyocera Corp | Developing device and image forming device |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6266285A (en) * | 1985-09-19 | 1987-03-25 | Fuji Xerox Co Ltd | Toner cartridge |
-
1987
- 1987-06-25 JP JP9807887U patent/JPS644451U/ja active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6266285A (en) * | 1985-09-19 | 1987-03-25 | Fuji Xerox Co Ltd | Toner cartridge |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002278232A (en) * | 2001-03-15 | 2002-09-27 | Kyocera Corp | Developing device and image forming device |
JP2002278235A (en) * | 2001-03-19 | 2002-09-27 | Kyocera Corp | Developing device and image forming device |
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