| 发明名称 | Cleaning blade, image forming apparatus, and process cartridge | ||
| 摘要 | A cleaning blade includes a blade member formed of a strip-shaped rubber material and having a leading-edge ridge line portion to contact a moving surface of a cleaning target member and remove adhering matter from the surface of the cleaning target member. The blade member has a Martens hardness of 1.0 N/mm2 or more in a vicinity of the leading-edge ridge line portion measured from an opposing surface of the blade member, the opposing surface including the leading-edge ridge line portion and opposing the cleaning target member, or measured from a leading-edge surface of the blade member, the leading-edge surface including the leading-edge ridge line portion and disposed adjacent to the opposing surface of the blade member. | ||
| 申请公布号 | US9170557(B2) | 申请公布日期 | 2015.10.27 |
| 申请号 | US201414269347 | 申请日期 | 2014.05.05 |
| 申请人 | Ricoh Company, Ltd. | 发明人 | Watanabe Kazuhiko;Tawada Takaaki;Fujishiro Takatsugu;Kikuchi Hisashi |
| 分类号 | G03G21/00 | 主分类号 | G03G21/00 |
| 代理机构 | Harness, Dickey & Pierce | 代理人 | Harness, Dickey & Pierce |
| 主权项 | 1. A cleaning blade, comprising: a blade member formed of a strip-shaped rubber material and having a leading-edge ridge line portion to contact a moving surface of a cleaning target member and remove adhering matter from the surface of the cleaning target member, wherein the blade member has a Martens hardness of 1.0 N/mm2 or more in a vicinity of the leading-edge ridge line portion measured from an opposing surface of the blade member, the opposing surface including the leading-edge ridge line portion and opposing the cleaning target member, or measured from a leading-edge surface of the blade member, the leading-edge surface including the leading-edge ridge line portion and disposed adjacent to the opposing surface of the blade member. | ||
| 地址 | Tokyo JP | ||