Process cartridge having regulating portions and an inclineable coupling member
US8135304B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 30, 2008 |
| Grant date | Mar 13, 2012 |
| Priority date | — |
| Expiry date | Feb 11, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2221/1657
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A process cartridge is detachably mountable to a main assembly of an electrophotographic image forming apparatus, which includes a rotating force applying portion. The cartridge includes an electrophotographic photosensitive drum, a developing roller, a first frame unit supporting the drum, a second frame unit supporting the roller and swingably connected with the first frame unit, a coupling, mounted to the drum, for receiving a rotating force for rotating the drum from the rotating force applying portion when the cartridge is mounted to the main assembly, first, second and third cartridge side portions to be positioned engageable respectively with first, second and third main assembly side positioning portions provided in the main assembly to regulate movement of the first frame unit in a longitudinal direction of the drum or to position the drum in a radial direction when the cartridge is mounted to the main assembly, and first unit side and drum side regulating portions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.