发明名称 ELECTRIFYING DEVICE, PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS
摘要 PROBLEM TO BE SOLVED: To provide a high image quality electrifying device, a process cartridge and an image forming apparatus in which ozone or nitroxide produced during an electrifying process are reduced and a gap with an image carrier in a non-contact electrifying roll can be set at a high precision. SOLUTION: The electrifying roll 22 provided with a gap G between a roll part 22a and the image carrier 20, having the facing roll part 22a, sealing members 28 and 30 restricting the flowing in of air within the gap G and a pressing member 25 pressing the sealing members 28 and 30 toward the image carrier 20 while maintaining the gap G are provided in the electrifying device. COPYRIGHT: (C)2005,JPO&NCIPI
申请公布号 JP2004279846(A) 申请公布日期 2004.10.07
申请号 JP20030072726 申请日期 2003.03.17
申请人 RICOH CO LTD 发明人 YAMADA MASAAKI;MIYAWAKI KATSUAKI;SATO OSAMU;SETO TAKASHI;MATSUURA NEKKA
分类号 G03G15/02;(IPC1-7):G03G15/02 主分类号 G03G15/02
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