Process cartridge
US8095036B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 26, 2009 |
| Grant date | Jan 10, 2012 |
| Priority date | — |
| Expiry date | Jun 23, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2221/1861
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A member for performing separation holding of a developing roller of a process cartridge is provided at a position opposite from a photosensitive drum with respect to a swing center. A detachably mountable protective cover is mounted to the process cartridge and a projection of the protective cover is inserted between the photosensitive drum and a developing device frame which supports the developing roller. The projection of the protective cover is inserted in a non-contact state with the photosensitive drum and the developing device frame.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.