Developer supply cartridge with shutter portion for opening and closing a supply opening
US9285765B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 26, 2014 |
| Grant date | Mar 15, 2016 |
| Priority date | — |
| Expiry date | Mar 26, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2215/0132
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A developer supply cartridge detachably mountable to a main assembly of an image forming apparatus includes: a developer accommodating portion; a shutter portion movable between a closed position and an open position; and a movable portion for moving the shutter portion. The movable portion is movable between a first position where the shutter portion is positioned in the closed position. The movable portion performs a preventing operation for preventing movement thereof to the first position by engagement thereof with an engaging portion, provided in the main assembly side, when the movable portion is positioned in the second position during movement of the developer supply cartridge to the main assembly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.