Developer unit and image formation device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Apr 12, 2016
Grant Date -
Jul 23, 2015
app pub date -
Mar 27, 2015
filing date -
Dec 27, 2005
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A developing unit and image formation device in which a developer carrier is reliably pressed towards and separated from an image carrier is described. A separation and pressing mechanism is provided for separating and pressing the developer carriers of developing cartridges installed in a drum unit onto image carriers. This separation and pressing mechanism has a pair of direct cam members. Each direct cam member has a release action portion that engages with the releasing projection of a developing cartridge when the developer carrier is to be separated from the image carrier. Each direct cam member may also have a pressing action portion that engages with the pressing projection of the developing cartridges when the developer carrier is to be pressed onto the image carrier.
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