Collected developer conveying device and image forming apparatus which vents a developing container
US7937036B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 19, 2008 |
| Grant date | May 3, 2011 |
| Priority date | — |
| Expiry date | Jul 18, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2221/1645
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A collected developer conveying device includes: a conveying passage through which collected developer is conveyed; a conveying member that is disposed in the conveying passage, and conveys the developer in the conveying passage by rotation thereof; a developer carrying body that holds developer on a surface thereof, and that is relatable; and a ventilation passage through which air passes from a developing container including the developer carrying body, wherein the conveying passage includes an air flow region formed in a part thereof upper than a rotational center of the conveying member in a gravitational direction, in a side of the conveying passage in which the conveying member rotates from an upper part of the conveying passage to a lower part thereof in the gravitational direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.