发明名称 Belt cleaning device and image forming apparatus with same
摘要 A belt cleaning device is a device for an endless belt which has a bearing surface for bearing a toner image, and includes a cleaning unit and a toner rubbing portion. The cleaning unit is arranged to face the bearing surface and removes residual toner remaining on the bearing surface. The toner rubbing portion is arranged to face the bearing surface at a side upstream of the cleaning unit in a rotating direction of the belt and charges the residual toner by rubbing the residual toner. The toner rubbing portion includes brush bristles whose tips are faced toward the bearing surface and which are charged when rubbing the residual toner. The brush bristles include first bristle-like bodies to be positively charged and second bristle-like bodies to be negatively charged. The first and second bristle-like bodies are alternately arranged in a predetermined first direction.
申请公布号 US9122208(B2) 申请公布日期 2015.09.01
申请号 US201414445543 申请日期 2014.07.29
申请人 KYOCERA Document Solutions Inc. 发明人 Shibuya Teppei
分类号 G03G15/16;G03G21/00 主分类号 G03G15/16
代理机构 代理人 Hespos Gerald E.;Porco Michael J.;Hespos Matthew T.
主权项 1. A belt cleaning device for an endless belt which has a bearing surface for bearing a toner image and is rotated in a predetermined direction, comprising: a cleaning unit which is arranged to face the bearing surface and removes residual toner remaining on the bearing surface; and a toner rubbing portion which is arranged to face the bearing surface at a side upstream of the cleaning unit in the rotating direction of the belt and charges the residual toner by rubbing the residual toner; wherein: the toner rubbing portion includes brush bristles whose tips are faced toward the bearing surface and which are charged when rubbing the residual toner; the brush bristles include first bristle-like bodies to be positively charged and second bristle-like bodies to be negatively charged; and the first and second bristle-like bodies are alternately arranged in a predetermined first direction.
地址 JP