Invention Grant
- Patent Title: Development device and image forming apparatus
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Application No.: US15585491Application Date: 2017-05-03
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Publication No.: US10281845B2Publication Date: 2019-05-07
- Inventor: Shunsuke Tsuda
- Applicant: CANON KABUSHIKI KAISHA
- Applicant Address: JP Tokyo
- Assignee: CANON KABUSHIKI KAISHA
- Current Assignee: CANON KABUSHIKI KAISHA
- Current Assignee Address: JP Tokyo
- Agency: Venable LLP
- Priority: JP2016-094612 20160510
- Main IPC: G03G15/08
- IPC: G03G15/08 ; G03G15/09 ; G03G9/107
Abstract:
A development device includes a developer bearing, a regulation portion, and a magnetic field generation member that is provided inside of the developer bearing member. The magnetic field generation member includes a development pole a first magnetic pole, and a second magnetic pole. The magnetic field generation member has a region satisfying |(Br(θa)−Br(θc))/10|
Public/Granted literature
- US20170329258A1 DEVELOPMENT DEVICE AND IMAGE FORMING APPARATUS Public/Granted day:2017-11-16
Information query
