JPH0251368U - - Google Patents

Info

Publication number
JPH0251368U
JPH0251368U JP12972688U JP12972688U JPH0251368U JP H0251368 U JPH0251368 U JP H0251368U JP 12972688 U JP12972688 U JP 12972688U JP 12972688 U JP12972688 U JP 12972688U JP H0251368 U JPH0251368 U JP H0251368U
Authority
JP
Japan
Prior art keywords
supply roll
toner
toner supply
developing device
chamber
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
JP12972688U
Other languages
English (en)
Other versions
JPH0750756Y2 (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 JP1988129726U priority Critical patent/JPH0750756Y2/ja
Publication of JPH0251368U publication Critical patent/JPH0251368U/ja
Application granted granted Critical
Publication of JPH0750756Y2 publication Critical patent/JPH0750756Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Dry Development In Electrophotography (AREA)

Description

【図面の簡単な説明】
第1図は本実施例の現像装置を示す断面図、第
2図は本実施例の現像装置の上下を逆向きにした
状態を示す図、第3図は本実施例の現像装置の使
用状態を示す図、第4図は従来例の現像装置を示
す断面図、第5図は従来例の現像装置の上下を逆
向きにした状態を示す図、第6図は従来例の現像
装置の使用状態を示す図である。 8……現像剤、9……トナー供給ロール、9b
……多孔質弾性体、14……現像装置、15……
現像室、16……連通部、17……トナー収容室

Claims (1)

  1. 【実用新案登録請求の範囲】 (1) キヤリアとトナーからなる現像剤を収容す
    る現像室と、 補充用のトナーを収容するトナー収容室と、 前記現像室と前記トナー収容室との連通部に回
    転可能に介在され周面が多孔質弾性体で形成され
    ているトナー供給ロールと、 該トナー供給ロールと前記現像室との間に位置
    して前記連通部を閉塞可能であり、前記トナー供
    給ロールの周囲に沿つて移動できるシヤツター部
    材とを設けていることを特徴とする現像装置。 (2) 前記シヤツター部材は前記トナー供給ロー
    ルの周面に沿う一辺が前記トナー供給ロールの周
    面に当接するとともに前記トナー供給ロールの正
    回転時に前記連通部を閉塞する位置から退避する
    ことを特徴とする請求項1記載の現像装置。
JP1988129726U 1988-10-03 1988-10-03 現像装置 Expired - Lifetime JPH0750756Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988129726U JPH0750756Y2 (ja) 1988-10-03 1988-10-03 現像装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988129726U JPH0750756Y2 (ja) 1988-10-03 1988-10-03 現像装置

Publications (2)

Publication Number Publication Date
JPH0251368U true JPH0251368U (ja) 1990-04-11
JPH0750756Y2 JPH0750756Y2 (ja) 1995-11-15

Family

ID=31384269

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988129726U Expired - Lifetime JPH0750756Y2 (ja) 1988-10-03 1988-10-03 現像装置

Country Status (1)

Country Link
JP (1) JPH0750756Y2 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04165381A (ja) * 1990-10-29 1992-06-11 Sharp Corp 現像装置
JPH0493863U (ja) * 1990-12-29 1992-08-14

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50159738A (ja) * 1974-06-12 1975-12-24
JPS56121067A (en) * 1980-02-29 1981-09-22 Fuji Xerox Co Ltd Toner supplier of electronic copying machine
JPS61167666U (ja) * 1985-04-05 1986-10-17
JPH0164658U (ja) * 1987-10-21 1989-04-25

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50159738A (ja) * 1974-06-12 1975-12-24
JPS56121067A (en) * 1980-02-29 1981-09-22 Fuji Xerox Co Ltd Toner supplier of electronic copying machine
JPS61167666U (ja) * 1985-04-05 1986-10-17
JPH0164658U (ja) * 1987-10-21 1989-04-25

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04165381A (ja) * 1990-10-29 1992-06-11 Sharp Corp 現像装置
JPH0493863U (ja) * 1990-12-29 1992-08-14

Also Published As

Publication number Publication date
JPH0750756Y2 (ja) 1995-11-15

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