Invention Grant
- Patent Title: Development roller, development device, and image forming apparatus
- Patent Title (中): 显影辊，显影装置和成像装置
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Application No.: US12388857Application Date: 2009-02-19
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Publication No.: US08081911B2Publication Date: 2011-12-20
- Inventor: Yoichi Yamada , Masahiro Maeda , Junichi Suzuki , Takatomo Fukumoto
- Applicant: Yoichi Yamada , Masahiro Maeda , Junichi Suzuki , Takatomo Fukumoto
- Applicant Address: JP Tokyo
- Assignee: Seiko Epson Corporation
- Current Assignee: Seiko Epson Corporation
- Current Assignee Address: JP Tokyo
- Agency: DLA Piper LLP (US)
- Priority: JP2008-038704 20080220; JP2008-038705 20080220
- Main IPC: G03G15/08
- IPC: G03G15/08
Abstract:
A development roller includes a base unit having a base recess and a base projection formed in a predetermined area of a circumference surface of the base unit, and a surface layer formed on the circumference surface of the base unit and having a recess and a projection formed respectively in accordance with the base recess and the base projection of the base unit.
Public/Granted literature
- US20090208255A1 Development Roller, Development Device, and Image Forming Apparatus Public/Granted day:2009-08-20
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