Developing cartridge having toner agitator agitating toners in toner container and transferring toner to developing chamber
US6456810B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 7, 2000 |
| Grant date | Sep 24, 2002 |
| Priority date | — |
| Expiry date | Jul 7, 2020 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2221/183
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A developing cartridge including a developing housing, a toner container positioned beside the developing housing and formed with an opening. First and second agitators are disposed in the toner container and are rotatable about an axis extending in parallel with the opening for transferring the toner in the toner container to the developing housing through the opening. The first blade has a length equal or greater than the length of the opening, and the second blade has a length smaller than the length of the first blade and is positioned at the lengthwise center of the opening. The second blade is positioned forwardly of the first blade in the rotational direction of these blades.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.