Invention Grant
- Patent Title: Dismounting and mounting methods for coupling and electrophotographic photosensitive drum unit
- Patent Title (中): 耦合和电子照相感光鼓单元的拆卸和安装方法
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Application No.: US12981683Application Date: 2010-12-30
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Publication No.: US08406656B2Publication Date: 2013-03-26
- Inventor: Yoshiyuki Batori , Nobuyoshi Hara
- Applicant: Yoshiyuki Batori , Nobuyoshi Hara
- Applicant Address: JP Tokyo
- Assignee: Canon Kabushiki Kaisha
- Current Assignee: Canon Kabushiki Kaisha
- Current Assignee Address: JP Tokyo
- Agency: Fitzpatrick, Cella, Harper & Scinto
- Priority: JP2008-161527 20080620; JP2008-207291 20080811
- Main IPC: G03G21/00
- IPC: G03G21/00 ; G03G15/00
Abstract:
An electrophotographic photosensitive drum unit includes (a) a cylinder having a photosensitive layer at an outer periphery thereof, and (b) a drum flange provided at one end of the cylinder. The drum flange includes (i) a plurality of projections provided inside the drum flange and projected radially inwardly of the drum flange with a space between projections diametrically around the drum flange, and (ii) a recess provided at a position radially outside of an innermost portion of the projections.
Public/Granted literature
- US20110182619A1 DISMOUNTING AND MOUNTING METHODS FOR COUPLING AND ELECTROPHOTOGRAPHIC PHOTOSENSITIVE DRUM UNIT Public/Granted day:2011-07-28
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