Invention Grant
- Patent Title: Drum unit, cartridge, electrophotographic image forming apparatus and coupling member
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Application No.: US17336472Application Date: 2021-06-02
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Publication No.: US11409227B2Publication Date: 2022-08-09
- Inventor: Tetsuo Uesugi , Masato Tanabe , Tomonori Mori , Daisuke Abe , Tadayuki Tsuda , Hideshi Kawaguchi
- 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
- Main IPC: G03G15/00
- IPC: G03G15/00 ; G03G21/16 ; G03G21/18
Abstract:
A drum unit detachably mountable to a main assembly of an electrophotographic image forming apparatus includes a photosensitive drum and a coupling member provided on the photosensitive drum. The coupling member includes a driving force receiving portion and a supporting portion movably supporting the driving force receiving portion. The supporting portion includes a first extended portion and a second extended portion which extend at least in an axial direction of the photosensitive drum.
Public/Granted literature
- US20210286312A1 DRUM UNIT, CARTRIDGE, ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS AND COUPLING MEMBER Public/Granted day:2021-09-16
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