发明名称 Electrophotographic image forming apparatus and process cartridge therefor
摘要 An image forming apparatus including a photoreceptor having an image forming portion; a charging roller having a gap forming member on both ends thereof to form a gap between the photoreceptor and the charging roller and configured to charge the photoreceptor, wherein the gap forming members do not contact the image forming portion, and wherein the relationship t>=2g is satisfied; a light irradiator configured to form a latent image in the image forming portion; an image developer configured to form a toner image on the photoreceptor; and an image transferer configured to transfer the toner image onto a receiving material, wherein g is the gap and t represents a distance between an inside edge of one of the gap forming members and one of the two ends of the image forming portion closer to the inside edge of the gap forming member.
申请公布号 US2002051654(A1) 申请公布日期 2002.05.02
申请号 US20010942574 申请日期 2001.08.31
申请人 RICOH COMPANY LIMITED 发明人 NIIMI TATSUYA;SAKON YOHTA
分类号 G03G5/07;G03G5/10;G03G5/147;G03G15/00;G03G15/02;G03G21/00;G03G21/18;(IPC1-7):G03G15/02 主分类号 G03G5/07
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