Process cartridge and electrophotographic image forming apparatus
US6075957A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 18, 1998 |
| Grant date | Jun 13, 2000 |
| Priority date | — |
| Expiry date | Nov 18, 2018 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2221/1609
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A process cartridge which can detachably be mounted to an electrophotographic image forming apparatus, and which includes a cartridge frame, an electrophotographic photosensitive member, a process device acting on the photosensitive member, a shutter for covering a portion of the photosensitive member exposed from the cartridge frame, a support member for supporting one longitudinal end of the shutter to the cartridge frame for shifting movement between an operation position where the photosensitive member is covered by the shutter and a retract position retracted from the operation position, a support member engagement portion provided on the support member to attach the support member to the cartridge frame, and a frame engagement portion provided on the cartridge frame to attach the support member engagement portion to the cartridge frame.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.