JPS5852555U - magnetic brush developing device - Google Patents

magnetic brush developing device

Info

Publication number
JPS5852555U
JPS5852555U JP14744681U JP14744681U JPS5852555U JP S5852555 U JPS5852555 U JP S5852555U JP 14744681 U JP14744681 U JP 14744681U JP 14744681 U JP14744681 U JP 14744681U JP S5852555 U JPS5852555 U JP S5852555U
Authority
JP
Japan
Prior art keywords
magnetic
permanent magnet
magnetic brush
developing device
magnetic sleeve
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
JP14744681U
Other languages
Japanese (ja)
Inventor
永原　康守
Original Assignee
株式会社リコー
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 by 株式会社リコー filed Critical 株式会社リコー
Priority to JP14744681U priority Critical patent/JPS5852555U/en
Publication of JPS5852555U publication Critical patent/JPS5852555U/en
Pending legal-status Critical Current

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  • Magnetic Brush Developing In Electrophotography (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

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

第１゛図は、本考案の一実施例に係る磁気ブラシ現像装
置を用いた電子写真複写機の概略断面図、第２″図〜第
４図は、夫々第１図の磁気ブラシ現像装置の動作原理説
明図である。 １・・・感光体、２・・・露光部、３・・・磁気ブラシ
現像装置、６・・・現像スリーブ、７・・・永久磁石、
８・・・対向電極。FIG. 1 is a schematic sectional view of an electrophotographic copying machine using a magnetic brush developing device according to an embodiment of the present invention, and FIGS. 2″ to 4 are respectively of the magnetic brush developing device of FIG. It is a diagram explaining the principle of operation. 1... Photoreceptor, 2... Exposure section, 3... Magnetic brush developing device, 6... Developing sleeve, 7... Permanent magnet,
8...Counter electrode.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 回転自在の円筒状非磁性スリーブ内部に永久磁石を設け
、該永久磁石の磁力により前記非磁性スリーブ外周上に
キャリア及びトナーからなる現像剤を吸着搬送し、この
搬送された現像剤を、感光体に形成された静電潜像に摺
接させて可視像とする磁気ブラシ現像装置において、前
記非磁性スリーブを体積抵抗１０１０〜１０１６Ω・α
の材質で形成し、該非磁性スリーブと前記永久磁石の間
に非磁性金属からなる対向電極を配置し、該対向電極の
位置を選択的に変化させるように構成したことを特徴と
する磁気ブラシ現像装置。A permanent magnet is provided inside the rotatable cylindrical non-magnetic sleeve, and the magnetic force of the permanent magnet attracts and transports a developer consisting of carrier and toner onto the outer periphery of the non-magnetic sleeve, and the transported developer is transferred to the photoreceptor. In a magnetic brush developing device that produces a visible image by sliding it into contact with an electrostatic latent image formed on the surface, the non-magnetic sleeve has a volume resistance of 1010 to 1016 Ω·α
A magnetic brush development device, characterized in that a counter electrode made of a non-magnetic metal is arranged between the non-magnetic sleeve and the permanent magnet, and the position of the counter electrode is selectively changed. Device.
JP14744681U 1981-10-03 1981-10-03 magnetic brush developing device Pending JPS5852555U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14744681U JPS5852555U (en) 1981-10-03 1981-10-03 magnetic brush developing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14744681U JPS5852555U (en) 1981-10-03 1981-10-03 magnetic brush developing device

Publications (1)

Publication Number Publication Date
JPS5852555U true JPS5852555U (en) 1983-04-09

Family

ID=29940307

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14744681U Pending JPS5852555U (en) 1981-10-03 1981-10-03 magnetic brush developing device

Country Status (1)

Country Link
JP (1) JPS5852555U (en)

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