Drum unit, cartridge, electrophotographic image forming apparatus and coupling member
US10671013B2 · kind B2 · utility
14Cited by
132References
96Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 25, 2019 |
| Grant date | Jun 2, 2020 |
| Priority date | — |
| Expiry date | Feb 25, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G21/186
- WIPO fieldOptics
- WIPO sectorInstruments
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.