Invention Grant
- Patent Title: Image forming apparatus and process cartridge
- Patent Title (中): 成像设备和处理盒
-
Application No.: US13783645Application Date: 2013-03-04
-
Publication No.: US08867960B2Publication Date: 2014-10-21
- Inventor: Naohiro Toda , Takafumi Iwamoto , Toshihiro Ishida , Tetsuya Toshine , Yohta Sakon , Masahiro Ohmori
- Applicant: Naohiro Toda , Takafumi Iwamoto , Toshihiro Ishida , Tetsuya Toshine , Yohta Sakon , Masahiro Ohmori
- Applicant Address: JP Tokyo
- Assignee: Ricoh Company, Ltd.
- Current Assignee: Ricoh Company, Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Cooper & Dunham LLP
- Priority: JP2012-057272 20120314
- Main IPC: G03G15/00
- IPC: G03G15/00 ; G03G21/00

Abstract:
An image forming apparatus including an image bearing member having a surface layer A having a surface hardness of 200 N/mm2 or greater, the surface layer A containing fillers made of a metal oxide and a cleaning blade having a reed-like elastic blade having a front edge portion to remove toner from the surface layer A in motion while the front edge portion is in contact with the surface layer A, the front edge portion having a laminate structure formed of a substrate of the elastic blade, a mixed layer of the substrate and an acrylic and/or methacrylic resin, the mixed layer having a thickness of 1.0 μm or greater, and a surface layer B having an acrylic and/or methacrylic resin, the surface layer B having a thickness of 0.1 μm or greater.
Public/Granted literature
- US20130243484A1 IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE Public/Granted day:2013-09-19
Information query