Toner supply unit and image forming apparatus
US7130558B2 · kind B2 · utility
20Cited by
102References
62Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 24, 2005 |
| Grant date | Oct 31, 2006 |
| Priority date | — |
| Expiry date | Mar 24, 2025 |
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.