The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 14, 2009
Filed:
May. 21, 2003
Bernhard Schlageter, Unterhaching, DE;
Klaus Ströl, Gelting, DE;
Reinhold Schmidl, Fürstenfeldbruck, DE;
Josef Ranner, Ebersberg, DE;
Bernd Schoch, Heimstetten, DE;
Joseph Knott, Tutzing, DE;
Bernhard Schlageter, Unterhaching, DE;
Klaus Ströl, Gelting, DE;
Reinhold Schmidl, Fürstenfeldbruck, DE;
Josef Ranner, Ebersberg, DE;
Bernd Schoch, Heimstetten, DE;
Joseph Knott, Tutzing, DE;
Oce Printing Systems GmbH, Poing, DE;
Abstract
In a method and device to separate toner material and air from a toner material-air mixture, and first operating phase at toner material-air mixture is supplied to a filter so that air flows through the filter in a first direction. In a second operating phase, the flow of air through the filter in a first direction is interrupted such that toner material deposited on the filter is loosened. In a second operating phase, air flows through the filter in a direction approximately opposite to the first direction. Also in a method 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.