Developer container seal, developer container, developing apparatus, process cartridge, and image forming apparatus
US6178302A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 8, 1998 |
| Grant date | Jan 23, 2001 |
| Priority date | — |
| Expiry date | Dec 8, 2018 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2221/183
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A seal member for sealing an opening of a developer accommodating container for accommodating a developer, which developer accommodating container is detachably mountable to a main assembly of an image forming apparatus, includes a seal base for sealing the opening; a force receiving portion for receiving a force for unsealing the seal base; an electroconductive portion capable of being disconnected by an unsealing operation of the seal base, the electroconductive portion including a contact portion electrically connectable with a contact portion of the main assembly of the image forming apparatus to permit the main assembly of the image forming apparatus to detect whether the electroconductive portion is disconnected or not.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.