Process cartridge and image forming apparatus
US9857767B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 6, 2016 |
| Grant date | Jan 2, 2018 |
| Priority date | — |
| Expiry date | Oct 6, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G21/1842
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A process cartridge includes a drum unit configured to rotatably hold a photosensitive drum, a developing unit that is assembled in such a manner as to be rotatable relative to the drum unit and includes a developing roller, gap maintaining members provided to the photosensitive drum or the developing roller on both end portions of the photosensitive drum in an axial direction, and urging members configured to bias the developing unit toward the drum unit. The urging members are respectively disposed on outer sides of the gap maintaining members disposed at both end portions in the axial direction. The drum unit or the developing unit includes an electric contact portion configured to come into contact with an electric contact of an image forming apparatus when the process cartridge is attached to the image forming apparatus, the electric contact portion being disposed between the gap maintaining members in the axial direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.