发明名称 Cleaning roller for cleaning charging roller and image forming apparatus
摘要 A cleaning roller for cleaning a charging roller in an image forming apparatus is disposed in contact with an outer peripheral surface of a charging roller to remove foreign matters attached to the outer peripheral surface of the charging roller. The cleaning roller has a metal core and a polyurethane foam layer covering an outer peripheral surface of this metal core. The polyurethane foam layer includes a number of cells. The number of cells per inch is 40 or more and 80 or less, and an open ratio of a wall surface of cells is 3% or more and 50% or less.
申请公布号 US8160470(B2) 申请公布日期 2012.04.17
申请号 US20080344674 申请日期 2008.12.29
申请人 SHOUNO JUNPEI;NAKADE YOHEI;DEMIZU ICHIRO;KONICA MINOLTA BUSINESS TECHNOLOGIES, INC. 发明人 SHOUNO JUNPEI;NAKADE YOHEI;DEMIZU ICHIRO
分类号 G03G15/02 主分类号 G03G15/02
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