JPH0289455U - - Google Patents

Info

Publication number
JPH0289455U
JPH0289455U JP16868788U JP16868788U JPH0289455U JP H0289455 U JPH0289455 U JP H0289455U JP 16868788 U JP16868788 U JP 16868788U JP 16868788 U JP16868788 U JP 16868788U JP H0289455 U JPH0289455 U JP H0289455U
Authority
JP
Japan
Prior art keywords
layer forming
forming member
photosensitive drum
resin sleeve
pressure contact
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.)
Granted
Application number
JP16868788U
Other languages
English (en)
Other versions
JPH0443900Y2 (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 JP16868788U priority Critical patent/JPH0443900Y2/ja
Publication of JPH0289455U publication Critical patent/JPH0289455U/ja
Application granted granted Critical
Publication of JPH0443900Y2 publication Critical patent/JPH0443900Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Magnetic Brush Developing In Electrophotography (AREA)

Description

【図面の簡単な説明】
第1図はこの考案の一実施例の縦断面図、第2
図は上記実施例品を使用する際の層形成部材の位
置関係を示す構成図、第3図は実施例品のスリー
ブ表面の偏りを示す線図、第4図は比較例品のス
リーブ表面の偏りを示す線図、第5図は比較例品
を使用した他の現像装置を示す構成図、第6図は
通常の現像装置を説明する説明図、第7図はその
A―A′断面図、第8図は層形成部材の圧接によ
つてスリーブが変形した状態を示す説明図である
。 1……感光ドラム、2……現像ローラ、3……
層形成部材、4……トナー、5……棒状磁石、1
0……樹脂スリーブ。

Claims (1)

    【実用新案登録請求の範囲】
  1. 感光ドラムに対して一定の間隔を保つて併設さ
    れ、上記感光ドラムと反対側に偏つた外周面の位
    置で層形成部材が圧接する磁性現像用ローラであ
    つて、棒状磁石と、この棒状磁石の外周に一定の
    間隔を保つて同軸的に設けられ棒状磁石の円周方
    向に回転駆動される樹脂スリーブとを備え、上記
    樹脂スリーブが、両端部から中央部に向かつて徐
    々に小径になつたつづみ形状に形成されているこ
    とを特徴とするローラ。
JP16868788U 1988-12-26 1988-12-26 Expired JPH0443900Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16868788U JPH0443900Y2 (ja) 1988-12-26 1988-12-26

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16868788U JPH0443900Y2 (ja) 1988-12-26 1988-12-26

Publications (2)

Publication Number Publication Date
JPH0289455U true JPH0289455U (ja) 1990-07-16
JPH0443900Y2 JPH0443900Y2 (ja) 1992-10-16

Family

ID=31458082

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16868788U Expired JPH0443900Y2 (ja) 1988-12-26 1988-12-26

Country Status (1)

Country Link
JP (1) JPH0443900Y2 (ja)

Also Published As

Publication number Publication date
JPH0443900Y2 (ja) 1992-10-16

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