| 发明名称 | Cleaning blade, image forming apparatus and process cartridge | ||
| 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. | ||
| 申请公布号 | US9244424(B1) | 申请公布日期 | 2016.01.26 |
| 申请号 | US201514742193 | 申请日期 | 2015.06.17 |
| 申请人 | RICOH COMPANY, LTD. | 发明人 | Sakaguchi Hiromi;Nohsho Shinji;Sakon Yohta;Ohmori Masahiro;Aoyama Yuka;Gondoh Masanobu;Gohda Shohei;Toyama Kaori |
| 分类号 | G03G21/00 | 主分类号 | G03G21/00 |
| 代理机构 | Cooper & Dunham LLP | 代理人 | Cooper & Dunham LLP |
| 主权项 | 1. A cleaning blade cleaning the surface of an object, comprising: a rigid holder; and a strip-shaped elastic body fixed on the holder, comprising a tip ridgeline configured to contact the surface of the object, wherein the cleaning blade comprises 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. | ||
| 地址 | Tokyo JP | ||