Toner supply unit and image forming apparatus
US7356290B2 · kind B2 · utility
6Cited by
124References
34Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 27, 2006 |
| Grant date | Apr 8, 2008 |
| Priority date | — |
| Expiry date | Dec 27, 2026 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S222/01
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The toner supply unit is provided with a preventing unit for preventing toner contamination due to toner leakage from that sealing valve. A mouth ring of the toner container is provided with the sealing valve. This valve is opened/closed by removing/inserting a nozzle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.