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
Application number
JP9807887U
Other languages
Japanese (ja)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP9807887U priority Critical patent/JPS644451U/ja
Publication of JPS644451U publication Critical patent/JPS644451U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Magnetic Brush Developing In Electrophotography (AREA)
  • Dry Development In Electrophotography (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

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)

【実用新案登録請求の範囲】 １ トナーとキヤリアを混合しつつ搬送するため
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.
JP9807887U 1987-06-25 1987-06-25 Pending JPS644451U (en)

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)

* Cited by examiner, † Cited by third party
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

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6266285A (en) * 1985-09-19 1987-03-25 Fuji Xerox Co Ltd Toner cartridge

Patent Citations (1)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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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