JPS6380570U - - Google Patents

Info

Publication number
JPS6380570U
JPS6380570U JP17401286U JP17401286U JPS6380570U JP S6380570 U JPS6380570 U JP S6380570U JP 17401286 U JP17401286 U JP 17401286U JP 17401286 U JP17401286 U JP 17401286U JP S6380570 U JPS6380570 U JP S6380570U
Authority
JP
Japan
Prior art keywords
sleeve
photosensitive drum
developing device
elastic member
downstream side
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
JP17401286U
Other languages
Japanese (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 JP17401286U priority Critical patent/JPS6380570U/ja
Publication of JPS6380570U publication Critical patent/JPS6380570U/ja
Pending legal-status Critical Current

Links

Description

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

第１図は、本考案の望ましい実施例を示した断
面構成図、第２図は、本考案の他の望ましい実施
例を示した断面構成図、第３図は、弾性体部材の
概略斜視図、第４図は、現像ロールの一部断面構
成図、第５図は、感光ドラム上の画像部及びバツ
クグラウンド部における表面電位とスリーブバイ
アス電圧との関係を説明するための説明図である
。 １……現像剤、５……現像ロール、７……感光
ドラム、９……弾性体部材、１０……支持部材、
１１……トナー供給ロール、１５……トナー、１
７……現像剤撹拌装置、５１……スリーブ、５２
……磁石ロール。 FIG. 1 is a cross-sectional configuration diagram showing a preferred embodiment of the present invention, FIG. 2 is a cross-sectional configuration diagram showing another preferred embodiment of the present invention, and FIG. 3 is a schematic perspective view of an elastic member. 4 is a partial cross-sectional configuration diagram of the developing roll, and FIG. 5 is an explanatory diagram for explaining the relationship between the surface potential in the image area and background area on the photosensitive drum and the sleeve bias voltage. DESCRIPTION OF SYMBOLS 1...Developer, 5...Developing roll, 7...Photosensitive drum, 9...Elastic member, 10...Supporting member,
11... Toner supply roll, 15... Toner, 1
7... Developer stirring device, 51... Sleeve, 52
...magnetic roll.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 感光ドラムと平行して回転可能に軸支された非
磁性のスリーブと、このスリーブの内部に固定さ
れた磁石ロールとを有した複写機等の現像装置に
おいて、前記感光ドラムに対向するスリーブ位置
のスリーブ回転方向下流側に軸方向にわたり一様
に前記スリーブに当接する弾性体部材を設けたこ
とを特徴とする現像装置。 In a developing device such as a copying machine, which has a non-magnetic sleeve rotatably supported in parallel with the photosensitive drum and a magnet roll fixed inside the sleeve, the position of the sleeve facing the photosensitive drum is A developing device characterized in that an elastic member is provided on the downstream side in the rotational direction of the sleeve and uniformly contacts the sleeve in the axial direction.
JP17401286U 1986-11-14 1986-11-14 Pending JPS6380570U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17401286U JPS6380570U (en) 1986-11-14 1986-11-14

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17401286U JPS6380570U (en) 1986-11-14 1986-11-14

Publications (1)

Publication Number Publication Date
JPS6380570U true JPS6380570U (en) 1988-05-27

Family

ID=31112012

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17401286U Pending JPS6380570U (en) 1986-11-14 1986-11-14

Country Status (1)

Country Link
JP (1) JPS6380570U (en)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55117168A (en) * 1979-02-15 1980-09-09 Canon Inc Developing device
JPS55118071A (en) * 1979-03-06 1980-09-10 Canon Inc Developing device
JPS55118062A (en) * 1979-03-06 1980-09-10 Canon Inc Developing device
JPS5614262A (en) * 1979-07-16 1981-02-12 Canon Inc Developing device
JPS56126869A (en) * 1980-03-11 1981-10-05 Canon Inc Developing equipment
JPS5886577A (en) * 1981-11-18 1983-05-24 Matsushita Electric Ind Co Ltd Developing device
JPS58169164A (en) * 1982-03-31 1983-10-05 Ricoh Co Ltd Developing device
JPS60136778A (en) * 1983-12-26 1985-07-20 Ricoh Co Ltd Developer supplying device
JPS6150172A (en) * 1984-08-20 1986-03-12 Konishiroku Photo Ind Co Ltd Developing device

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55117168A (en) * 1979-02-15 1980-09-09 Canon Inc Developing device
JPS55118071A (en) * 1979-03-06 1980-09-10 Canon Inc Developing device
JPS55118062A (en) * 1979-03-06 1980-09-10 Canon Inc Developing device
JPS5614262A (en) * 1979-07-16 1981-02-12 Canon Inc Developing device
JPS56126869A (en) * 1980-03-11 1981-10-05 Canon Inc Developing equipment
JPS5886577A (en) * 1981-11-18 1983-05-24 Matsushita Electric Ind Co Ltd Developing device
JPS58169164A (en) * 1982-03-31 1983-10-05 Ricoh Co Ltd Developing device
JPS60136778A (en) * 1983-12-26 1985-07-20 Ricoh Co Ltd Developer supplying device
JPS6150172A (en) * 1984-08-20 1986-03-12 Konishiroku Photo Ind Co Ltd Developing device

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