Sealing structure for a toner cartridge
US7177565B1 · kind B1 · utility
21Cited by
3References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 3, 2005 |
| Grant date | Feb 13, 2007 |
| Priority date | — |
| Expiry date | Sep 29, 2025 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2221/166
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A toner cartridge includes improved sealing mechanisms to prevent the escape of toner from the cartridge. Soft and rigid seals are used to seal the distal ends of the developer roller and doctor bar.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.