Process cartridge and image forming apparatus using same
US5235383A · kind A · utility
75Cited by
5References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 29, 1991 |
| Grant date | Aug 10, 1993 |
| Priority date | — |
| Expiry date | Aug 29, 2011 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2221/1853
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A process cartridge integrally supports an electrophotographic photosensitive member and a plurality of developing units and removable with respect to an image forming apparatus. The driving force from the image forming apparatus can be selectively transmitted to any one of the developing units and the transmission of the driving force to all of the developing units is blocked during the non-image forming process. Thus, the operability of dismounting of the cartridge from the image forming apparatus is improved.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.