Invention Grant
- Patent Title: Developing roller, manufacturing method thereof, developing apparatus and image forming apparatus
- Patent Title (中): 显影辊及其制造方法，显影装置和图像形成装置
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Application No.: US11935946Application Date: 2007-11-06
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Publication No.: US08192339B2Publication Date: 2012-06-05
- Inventor: Junichi Suzuki , Noboru Sakurai
- Applicant: Junichi Suzuki , Noboru Sakurai
- Applicant Address: JP Tokyo
- Assignee: Seiko Epson Corporation
- Current Assignee: Seiko Epson Corporation
- Current Assignee Address: JP Tokyo
- Agency: Workman Nydegger
- Priority: JP2006-302083 20061107
- Main IPC: A01B29/00
- IPC: A01B29/00
Abstract:
A developing roller on a circumferential surface of which toner is held is provided. In the developing roller, intersecting first and second grooves are formed. Protrusion portions are disposed in areas surrounded by the first and second grooves. The protrusion portions have minute projections.
Public/Granted literature
- US20080107455A1 DEVELOPING ROLLER, MANUFACTURING METHOD THEREOF, DEVELOPING APPARATUS AND IMAGE FORMING APPARATUS Public/Granted day:2008-05-08
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