Developer container, development device, process unit, and image forming apparatus
US8811859B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 20, 2012 |
| Grant date | Aug 19, 2014 |
| Priority date | — |
| Expiry date | Nov 10, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2215/0132
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A developer container includes a container body in which a developer containing chamber and a discharge outlet are formed, a developer conveyance member disposed inside the developer containing chamber and including a first conveyance portion and a second conveyance portion downstream from the first conveyance portion in a developer conveyance director, a canopy disposed inside the container body and facing the discharge outlet, a developer conveyance chamber defined by the canopy and an inner face of the container body in which the discharge outlet is formed, and a return opening formed in the canopy downstream from the discharge outlet. A developer conveyance velocity (Q2) of the second conveyance portion of the developer conveyance member to transports the developer toward the return opening is slower than a developer conveyance velocity (Q1) of the first conveyance portion of the developer conveyance member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.