JPS5984559U

JPS5984559U - Cleaning device for electrophotographic equipment

Info

Publication number: JPS5984559U
Application number: JP17990582U
Authority: JP
Inventors: 小原　直志; 岩田　裕弘; 勝彦岡本; 高杉　靖
Original assignee: 株式会社東芝
Priority date: 1982-11-30
Filing date: 1982-11-30
Publication date: 1984-06-07

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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

第１図はこの考案の清掃装置を適用した電子写真装置の
一実施例を示す要部の正面図、第２図はこの考案の清掃
装置を適用′した電子写真装置の他の実施例を示す要部
の正面図、第３図は感光体表面電位と感光体面照度との
関係を示すグラフ、第４図は感光体表面電位と感光体注
入電流との関係を示すグラフ、第”５図はフリッカ−の
接離機構を示す説明図、第６図は吸着ローラを夾す説明
図、第１図は吸着ローラの他の実施例を示す説明図、第
８図は吸着ローラの他の実施例を示す説明図、第９図は
ファーブラシと悟着ローラとの関係を示す他の実施例を
示す説明図、第１０図は吸着ローラのさらに他の実施例
を示す説明図、第１１図は吸着ローラの他の実施例を示
す説明図、第１２図はこの考案の清掃装置の他の実施例
を示す説明図、第１３図は清掃効率と清掃前像濃度の関
係を示すグラフ、第１４図はこの考案の清掃装置のさら
に一他の実施例を示す説明図、第１５図は感光体上地が
ぶりとファーバイアス電圧との関係を示すグラフ、第１
６図はこの考案の清掃装置のさらに他の実施例を示す説
明図、第１７図はこの考案の清掃装置のさらに他の実施
例を示す説明図、第１８図はこの考案の清掃装置の他の
実施例を示す説明図、第１９図ａ、　　ｂはさらにこの
考案の清掃装置の他の実施例を示す説明図とグラフであ
る。１・・・清掃装置、２・・・感光体、６・・・ケーシン
グ、７・・・ファーブラシ、１０．１１・・・フリッカ
−１１２・・・吸着ローラ、１９・・・直流電源、２ｏ
・・・被覆層、２５・・・清掃手段、２５ａ・・・ウェ
ブ、２７・・・外ケース。・べｙ監〇へ−７トーン慰Ｊこ伴表電　　ｅイ１（Ｖ）・第６図　　　　　　ｌ」 −１」】 ↓ 第８図 −旧−用　上Ｔ　／Ｘ−１９ ≦ニーー２２第５図第４図゛・ベフ薇〇へ−７トーン（０９便・ヒト【　　　υ １　　　　０Ｉ）Ｉ　　　　　　Ｑ　　　　・第７図　−− ２８ａ　　　２６ｂ　　　　２６ａ１　　　　　Ｘ　　　　　　　　、　　へ、−８ｂ第１９図　　　（ａ）２　− 一　　　　　　　　　　　　　　　／土；へ１９ ↓Fig. 1 is a front view of the essential parts of an embodiment of an electrophotographic device to which the cleaning device of this invention is applied, and Fig. 2 shows another embodiment of an electrophotographic device to which the cleaning device of this invention is applied. 3 is a graph showing the relationship between the photoreceptor surface potential and the photoreceptor surface illuminance, 4 is a graph showing the relationship between the photoreceptor surface potential and the photoreceptor injection current, and 5 is a front view of the main parts. An explanatory diagram showing a flicker contact/separation mechanism, Fig. 6 is an explanatory diagram showing a suction roller, Fig. 1 is an explanatory diagram showing another embodiment of the suction roller, and Fig. 8 is an explanatory diagram showing another embodiment of the suction roller. 9 is an explanatory diagram showing another embodiment showing the relationship between the fur brush and the fixing roller. FIG. 10 is an explanatory diagram showing still another embodiment of the suction roller. FIG. 11 is an explanatory diagram showing another embodiment of the suction roller. FIG. 12 is an explanatory diagram showing another embodiment of the suction roller, FIG. 12 is an explanatory diagram showing another embodiment of the cleaning device of this invention, FIG. 13 is a graph showing the relationship between cleaning efficiency and image density before cleaning, and FIG. FIG. 15 is an explanatory diagram showing still another embodiment of the cleaning device of this invention, FIG.
6 is an explanatory diagram showing still another embodiment of the cleaning device of this invention, FIG. 17 is an explanatory diagram showing still another embodiment of the cleaning device of this invention, and FIG. 18 is an explanatory diagram showing still another embodiment of the cleaning device of this invention. FIGS. 19a and 19b are explanatory diagrams and graphs showing another embodiment of the cleaning device of this invention. DESCRIPTION OF SYMBOLS 1... Cleaning device, 2... Photoreceptor, 6... Casing, 7... Fur brush, 10.11... Flicker-112... Adsorption roller, 19... DC power supply, 2o
...Covering layer, 25...Cleaning means, 25a...Web, 27...Outer case.・To Bay Superintendent 〇-7 tone comfort J accompanying expression e I1 (V) ・Figure 6 l''-1'' ] ↓ Figure 8-Old-Use T/X-19 ≦Nee-22 No. 5 Figure 4゛・Befu 〇○〇-7 tone (Flight 09・Human [υ 1 0 I) IQ・Figure 7 -- 28a 26b 26a 1 X, to, -8b Figure 19 (a) 2 - 1/Sat; 19 ↓

Claims

[Claims for Utility Model Registration] (1) It is characterized by comprising a cleaning member that cleans residual toner on the image bearing member, and a voltage application member that comes into contact with the cleaning member and collects and collects the toner on the cleaning member. A cleaning device for an electrophotographic device. (2) The cleaning device for an electrophotographic apparatus according to claim 1, wherein the cleaning member is a fur brush or a magnetic brush. (3) The cleaning device for an electrophotographic apparatus according to claim 1 or 2, wherein the cleaning member is configured to press a flicker to separate the toner. (4) The cleaning member has a specific resistance value of 105 to 108Ω, C
m. Rayon fiber with a thickness of 3 to 10 denier, hair length of 3 to 7
rIrIIL1 flocking density 30.000-250.000
The cleaning device for an electrophotographic apparatus according to claim 1, which is constituted by a fur brush of 1 nch2. (5) The voltage applying member has a resistance of 102 to 109 Ω·cm.
According to any one of claims 1 to 4 of the utility model registration claim, the specific resistance is formed of a conductive material, and a voltage of 200 to IQKV of opposite polarity to the toner is applied thereto. A cleaning device in the electrophotographic apparatus described above.゛-(6) Cleaning in an electrophotographic apparatus according to claim 1 or 5, wherein the voltage applying member is formed of resin or rubber in which conductive particles or conductive fibers are dispersed. Device. (7) Any one of claims 1, 5-5 and 6, wherein the bias voltage of the voltage applying member contributes to the contact point between the voltage applying member and the image carrier. A cleaning device for an electrophotographic apparatus according to item (1).