Foolproof device used in a process cartridge for an image forming apparatus
US6654581B2 · kind B2 · utility
5Cited by
6References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 11, 2002 |
| Grant date | Nov 25, 2003 |
| Priority date | — |
| Expiry date | Jun 11, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2215/068
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A foolproof device used in a process cartridge for an image forming apparatus, where the process cartridge has a developing device and a toner container, includes female engagement portions of two different sizes formed in the toner container, projections formed in the toner container, and male engagement portions of two different sizes formed in the developing device and adapted for guiding correct installation of the toner container in the developing device and securing the toner container to the developing device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.