JPS581949U - Magnetic brush developing device in dry type electrophotographic copying machine - Google Patents

Magnetic brush developing device in dry type electrophotographic copying machine

Info

Publication number
JPS581949U
JPS581949U JP9479481U JP9479481U JPS581949U JP S581949 U JPS581949 U JP S581949U JP 9479481 U JP9479481 U JP 9479481U JP 9479481 U JP9479481 U JP 9479481U JP S581949 U JPS581949 U JP S581949U
Authority
JP
Japan
Prior art keywords
dry type
copying machine
developing device
magnetic brush
electrophotographic copying
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
JP9479481U
Other languages
Japanese (ja)
Inventor
力 今井
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 JP9479481U priority Critical patent/JPS581949U/en
Publication of JPS581949U publication Critical patent/JPS581949U/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) [Abstract] 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図は従来のマグネットブラシ現贈装置の断面図、第
２図は本考案の一実施例によるマグネットブラシ現像装
置の断面図、第３図は他の実施例による一部の断面図で
ある。 １・・・感光体ドラム、４・・・現像剤、９・・・汲上
スリーブ、１３・・・マグネットブラシ現像装置、１５
〜１８．２４〜２８・・・現像用円筒スリーブ、１４゜
２０〜２３．２９〜３３・・・磁石。FIG. 1 is a sectional view of a conventional magnetic brush developing device, FIG. 2 is a sectional view of a magnetic brush developing device according to an embodiment of the present invention, and FIG. 3 is a partial sectional view of another embodiment. . DESCRIPTION OF SYMBOLS 1... Photosensitive drum, 4... Developer, 9... Sumpling sleeve, 13... Magnetic brush developing device, 15
~18.24~28...Cylindrical sleeve for development, 14°20~23.29~33...Magnet.

Claims (2)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）　　磁性体を含む乾式現像剤を使用しかつ複数個
の現像用１筒スリーブを配設した乾式電子複写機におい
て、前記現像用円筒スリーブを３個以上とするとともに
、入口側および出口側の現像用円筒スリーブの外径を太
きくシ、入口側と出口側間に配設される残りの現像用円
筒スリーブの外径を小さくして角速度を大としてなる乾
式電子写真複写機におけるマグネットブラシ現像装置。(1) In a dry type electronic copying machine that uses a dry type developer containing a magnetic material and is provided with a plurality of cylindrical sleeves for development, the number of cylindrical sleeves for development is three or more, and the inlet side and the outlet side A magnetic brush for a dry type electrophotographic copying machine in which the outer diameter of the developing cylindrical sleeve is increased, and the outer diameter of the remaining developing cylindrical sleeve disposed between the inlet side and the outlet side is decreased to increase the angular velocity. Developing device. （２）各現像用円筒スリーブの周速度を一定にしてなる
実用新案登録請求の範囲第１項記載の乾式電子写真複写
機におけるマグネットブラシ現像装置。(2) A magnetic brush developing device for a dry type electrophotographic copying machine according to claim 1, wherein the circumferential speed of each developing cylindrical sleeve is constant.
JP9479481U 1981-06-26 1981-06-26 Magnetic brush developing device in dry type electrophotographic copying machine Pending JPS581949U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9479481U JPS581949U (en) 1981-06-26 1981-06-26 Magnetic brush developing device in dry type electrophotographic copying machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9479481U JPS581949U (en) 1981-06-26 1981-06-26 Magnetic brush developing device in dry type electrophotographic copying machine

Publications (1)

Publication Number Publication Date
JPS581949U true JPS581949U (en) 1983-01-07

Family

ID=29889715

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9479481U Pending JPS581949U (en) 1981-06-26 1981-06-26 Magnetic brush developing device in dry type electrophotographic copying machine

Country Status (1)

Country Link
JP (1) JPS581949U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60126671A (en) * 1983-12-14 1985-07-06 Fuji Xerox Co Ltd Developing method of electrophotographic copying machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60126671A (en) * 1983-12-14 1985-07-06 Fuji Xerox Co Ltd Developing method of electrophotographic copying machine

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