Toner cartridge with shutter opening/closing and image forming apparatus using the same
US8554117B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 22, 2011 |
| Grant date | Oct 8, 2013 |
| Priority date | — |
| Expiry date | Mar 15, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2215/0692
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A toner cartridge includes a toner containing section which contains a toner therein; a toner discharging unit which is disposed in one side of the toner containing section and has a toner discharging port; a screw member which is disposed inside the toner containing section and transports a toner inside the toner containing section to the toner discharging unit; a bearing member which holds an end of the screw member; a rotary shutter which is disposed in the toner discharging unit to be rotatable about a rotation axial line of the screw member and has a circular-arc-shaped cross-section; and a shutter opening and closing mechanism which opens the rotary shutter in conjunction with rotation of the screw member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.