Developing apparatus and image forming apparatus including the same
US8649708B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 5, 2012 |
| Grant date | Feb 11, 2014 |
| Priority date | — |
| Expiry date | Apr 19, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2215/0897
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A developing apparatus according to the present disclosure is partitioned into a plurality of convey chambers which include a first convey chamber and a second convey chamber which are disposed substantially in parallel with each other, the second convey chamber has a U shape in section, a sensor disposition portion, where a toner concentration sensor is disposed on a bottom surface, is formed in an upstream with respect to a restriction portion in a developer convey direction, across a predetermined width in the developer convey direction including a detection surface of the toner concentration sensor, a distance between curved surface portions on both sides of a U-shaped inner wall surface and the second stir member is wider than another portion of the second stir chamber.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.