JPS62158455U - - Google Patents

Description

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

第１図は感光体と第１の実施例の接触帯電器の
部分断面図、第２図は同様の斜視図、第３図は第
１の実施例の接触帯電器の平面図、第４図は印加
電圧と表面電位との関係を示すグラフ、第５図は
第２の実施例の接触帯電器の模式図、第６図は第
３の実施例の接触帯電器の斜視図である。 符号の説明、１０…感光体、１２…支軸、１４
…円板、１６…円筒、１７，２７，３４，３６…
導電性繊維、１９，２９…基布、２０…接触帯電
器、２２，３２，３３…基板、２４…中央帯状部
分、２６…ハンドル、４２…支持部材。 FIG. 1 is a partial sectional view of the photoreceptor and the contact charger of the first embodiment, FIG. 2 is a similar perspective view, FIG. 3 is a plan view of the contact charger of the first embodiment, and FIG. 4 is a graph showing the relationship between applied voltage and surface potential, FIG. 5 is a schematic diagram of the contact charger of the second embodiment, and FIG. 6 is a perspective view of the contact charger of the third embodiment. Explanation of symbols, 10... Photoreceptor, 12... Support shaft, 14
...Disc, 16...Cylinder, 17, 27, 34, 36...
Conductive fiber, 19, 29... Base fabric, 20... Contact charger, 22, 32, 33... Substrate, 24... Central strip-shaped portion, 26... Handle, 42... Support member.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 多数本の導電性繊維を並列してなる２つの導電
性繊維列を感光体の回転方向に間隔をおいて配し
、それぞれを一次帯電用及び二次帯電用となし、
一次帯電用の導電性繊維列の抵抗値を二次帯電用
の導電性繊維列の抵抗値よりも大きくし、かつ、
一次帯電用導電性繊維列によつて帯電させられた
感光体の表面を、二次帯電用導電性繊維列によつ
て更に帯電し得るように形成してなる電子写真装
置の接触帯電器。 Two conductive fiber rows formed by paralleling a large number of conductive fibers are arranged at intervals in the rotational direction of the photoreceptor, and are used for primary charging and secondary charging, respectively,
The resistance value of the conductive fiber row for primary charging is made larger than the resistance value of the conductive fiber row for secondary charging, and
A contact charger for an electrophotographic apparatus, wherein the surface of a photoreceptor that has been charged by a conductive fiber array for primary charging can be further charged by a conductive fiber array for secondary charging.