Process cartridge, process cartridge assembly method, and image forming apparatus
US5890036A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 25, 1996 |
| Grant date | Mar 30, 1999 |
| Priority date | — |
| Expiry date | Apr 25, 2016 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2221/1853
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A process cartridge detachably mountable to a main assembly of an image forming apparatus includes a cartridge frame; an electrophotographic photosensitive member; a process device actable on the electrophotographic photosensitive member; a toner accommodating portion for accommodating toner for developing a latent image formed on the electrophotographic photosensitive member; a filling opening for filling the toner to the toner accommodating portion, wherein the filling opening is openably sealed by a cap; a transfer opening for permitting transfer of a toner image formed on the electrophotographic photosensitive member onto a recording material, wherein the transfer opening is provided on the cartridge frame; a protection cover for protecting the electrophotographic photosensitive member; a supporting member for supporting the protection cover so that the protection cover is movable between a protection position in which the protection cover covers the transfer opening and a retracted position in which it opens the transfer opening; a mounting member mounted to the cartridge frame so as to be opposed to the cap mounted to the filling opening.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.