Process cartridge and electrophotographic image forming apparatus
US7212768B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 8, 2004 |
| Grant date | May 1, 2007 |
| Priority date | — |
| Expiry date | May 13, 2025 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2221/1884
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A process cartridge detachably mountable to an electrophotographic image forming includes an electrophotographic photosensitive drum; a developing roller; a first cartridge positioning portion abuttable to a first main assembly positioning portion provided in a main assembly of the apparatus to position the cartridge with respect to a direction crossing the longitudinal direction, when the cartridge is mounted to the main assembly; a second cartridge positioning portion abuttable to a second main assembly positioning portion provided in the main assembly to limit rotation of the cartridge about the first cartridge positioning portion, when the cartridge receives a rotational driving force for rotating the roller from the main assembly; and a first drive input gear, for engagement with a main assembly driving gear to transmit a rotational driving force to the roller.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.