JPH049066U - - Google Patents

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Publication number
JPH049066U
JPH049066U JP4901590U JP4901590U JPH049066U JP H049066 U JPH049066 U JP H049066U JP 4901590 U JP4901590 U JP 4901590U JP 4901590 U JP4901590 U JP 4901590U JP H049066 U JPH049066 U JP H049066U
Authority
JP
Japan
Prior art keywords
sleeve
developer
permanent magnet
magnet member
opening
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
JP4901590U
Other languages
English (en)
Other versions
JP2549059Y2 (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 JP1990049015U priority Critical patent/JP2549059Y2/ja
Publication of JPH049066U publication Critical patent/JPH049066U/ja
Application granted granted Critical
Publication of JP2549059Y2 publication Critical patent/JP2549059Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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

Description

【図面の簡単な説明】
第１図は本考案の実施例を示す要部横断面図、
第２図は従来の現像装置の例を示す要部横断面図
である。 ４……現像剤槽、５……スリーブ、６……永久
磁石部材、１４……開口、１５……カバー。

Claims (1)

  1. 【実用新案登録請求の範囲】 非磁性材料により中空円筒状に形成したスリー
    ブと、このスリーブ内に同軸的に設けられかつ外
    周に軸方向に延びる複数個の磁極を設けてなる永
    久磁石部材と、現像剤を収容すると共に前記スリ
    ーブと永久磁石部材とを保持する現像剤槽とを備
    え、現像剤をスリーブにより現像領域まで搬送し
    て現像を行うように構成した現像装置において、 スリーブ上方の現像剤槽にスリーブの長さ寸法
    と対向する長さ寸法に形成した開口と、この開口
    を覆う回動自在のカバーとを設け、開口を介して
    初動現像剤を永久磁石部材の磁気吸引力の作用す
    る範囲に供給するように構成したことを特徴とす
    る現像装置。
JP1990049015U 1990-05-10 1990-05-10 現像装置 Expired - Lifetime JP2549059Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990049015U JP2549059Y2 (ja) 1990-05-10 1990-05-10 現像装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990049015U JP2549059Y2 (ja) 1990-05-10 1990-05-10 現像装置

Publications (2)

Publication Number Publication Date
JPH049066U true JPH049066U (ja) 1992-01-27
JP2549059Y2 JP2549059Y2 (ja) 1997-09-24

Family

ID=31566341

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990049015U Expired - Lifetime JP2549059Y2 (ja) 1990-05-10 1990-05-10 現像装置

Country Status (1)

Country Link
JP (1) JP2549059Y2 (ja)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5225643A (en) * 1975-08-20 1977-02-25 Sharp Corp Development means
JPS5811767U (ja) * 1981-07-15 1983-01-25 京セラミタ株式会社 トナ−粒子供給機構を備えた磁気ブラシ式現像装置
JPS6095572A (ja) * 1983-10-31 1985-05-28 Canon Inc 乾式現像装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5225643A (en) * 1975-08-20 1977-02-25 Sharp Corp Development means
JPS5811767U (ja) * 1981-07-15 1983-01-25 京セラミタ株式会社 トナ−粒子供給機構を備えた磁気ブラシ式現像装置
JPS6095572A (ja) * 1983-10-31 1985-05-28 Canon Inc 乾式現像装置

Also Published As

Publication number Publication date
JP2549059Y2 (ja) 1997-09-24

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