Development apparatus and image forming apparatus
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 5, 2011
Grant Date -
Dec 24, 2009
app pub date -
Jun 17, 2009
filing date -
Jun 19, 2008
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A development apparatus 8 has developer transport members 26 and 27 respectively contained in containers 22 and 23 and transporting developer while stirring the developer and passing the developer to each other at a passing portion 41 and a passing portion 42, thereby causing the developer to circulate in a developer tank 21. The passing portion 41 is formed at a location of a partition 21c adjacent to a developer discharging mechanism 34 and the passing portion 42 is formed at a location of the partition 21c away from the developer discharging mechanism 34. The passing portions 41 and 42 have configurations in which a transport force acting on the developer at the passing portion 41 is greater than the transport force acting on the developer at the passing portion 42.
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