Developing unit and image forming apparatus employing the same
US8923736B2 · kind B2 · utility
0Cited by
3References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 21, 2010 |
| Grant date | Dec 30, 2014 |
| Priority date | — |
| Expiry date | Sep 22, 2033 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G15/0877
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A developing unit includes a toner storage portion containing toner and including a toner supply member, a development portion disposed above the toner storage portion and containing the toner supplied from the toner storage portion by the toner supply member, and including a developing roller and a supply roller to supply the toner to the developing roller, and a partition wall to divide the toner storage portion and the development portion, and including an opening portion disposed under the lowest portion of the supply roller and forming a path of the toner supplied from the toner storage portion to the development portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.