Toner cartridge including a toner flowing-out preventing valve
US8417160B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 9, 2010 |
| Grant date | Apr 9, 2013 |
| Priority date | — |
| Expiry date | Jul 27, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2215/0692
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A toner cartridge includes a toner container for containing toner, a toner discharge section provided on one side part of the toner container and having a toner discharge port, an auger screw provided in the toner container, for conveying toner in the toner container to the toner discharge section, and a toner flowing-out preventing valve provided in a communicating part between the toner container and the toner discharge section to prevent flowing out of toner. The toner flowing-out preventing valve is configured to open and close the communicating part in conjunction with rotation of the auger screw.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.