Invention Grant
- Patent Title: Charging device having charging roller with specific characteristic and image forming apparatus
- Patent Title (中): 具有特定特征的充电辊和成像装置的充电装置
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Application No.: US11812721Application Date: 2007-06-21
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Publication No.: US07933533B2Publication Date: 2011-04-26
- Inventor: Toshimasa Higaki
- Applicant: Toshimasa Higaki
- Applicant Address: JP Tokyo
- Assignee: Oki Data Corporation
- Current Assignee: Oki Data Corporation
- Current Assignee Address: JP Tokyo
- Agency: Kubotera & Associates LLC
- Priority: JP2006-175588 20060626
- Main IPC: G03G15/02
- IPC: G03G15/02
Abstract:
A charging device for charging an image supporting member includes a charging roller for charging the image supporting member; and a cleaning member for cleaning the surface of the charging roller. The charging roller has a surface, and the surface has irregularity oriented in a direction opposite to a direction that the cleaning member slides against the charging roller. Further, the surface has a maximum peak height Rp within a range of 2 μm≦Rp≦10 μm, and an average profile length RSm within a range of 40 μm≦RSm≦200 μm.
Public/Granted literature
- US20080124131A1 Charging device and image forming apparatus Public/Granted day:2008-05-29
Information query
