Device and method for dosing toner material in an electrophotographic printer or copier
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United States of America Patent
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Nov 23, 2010
Grant Date -
Oct 1, 2009
app pub date -
Jun 8, 2009
filing date -
May 24, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In a method or device for dosing toner material in an electrophotographic printer or copier, toner material is introduced into at least one bucket chamber rotatably arranged in an opening at a bottom of a toner reservoir. The bucket chamber has a paddle wheel which seals the opening of the toner reservoir. As the paddlewheel rotates, toner material in the bucket chamber is conveyed into a region. The toner material conveyed from the paddlewheel is further conveyed with a screw conveyor. Also a toner reservoir is provided having a toner removal opening shaped to accommodate at least a portion of a paddlewheel.
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