发明授权
- 专利标题： Cleaning blade, image forming apparatus and process cartridge
- 专利标题（中）： 清洁刀片，成像设备和处理盒
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申请号： US14742193申请日： 2015-06-17
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公开(公告)号： US09244424B1公开(公告)日： 2016-01-26
- 发明人: Hiromi Sakaguchi , Shinji Nohsho , Yohta Sakon , Masahiro Ohmori , Yuka Aoyama , Masanobu Gondoh , Shohei Gohda , Kaori Toyama
- 申请人： Hiromi Sakaguchi , Shinji Nohsho , Yohta Sakon , Masahiro Ohmori , Yuka Aoyama , Masanobu Gondoh , Shohei Gohda , Kaori Toyama
- 申请人地址： JP Tokyo
- 专利权人： RICOH COMPANY, LTD.
- 当前专利权人： RICOH COMPANY, LTD.
- 当前专利权人地址： JP Tokyo
- 代理机构： Cooper & Dunham LLP
- 优先权： JP2014-138502 20140704
- 主分类号： G03G21/00
- IPC分类号： G03G21/00
摘要：
A cleaning blade cleaning the surface of an object includes a rigid holder; and a strip-shaped elastic body fixed on the holder, including a tip ridgeline to contact the surface of the object. The cleaning blade includes a part having a Martens hardness of from 0.9 to 5.0 N/mm2 at a depth of 20 μm from an undersurface of the blade including the ridgeline, 0.3 to 0.8 N/mm2 at a depth of 40 μm therefrom, and the Martens hardness at a depth of 20 μm therefrom larger than that at a depth of 40 μm therefrom by 0.6 N/mm2.
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