Patent ID: 7840166
Filing Date: 2010-11-23
Classification: G03D,G03G

Abstract:
1. A device for dosing toner material in an electrophotographic printer or copier, comprising: a paddlewheel with paddles rotatably arranged at a lower opening of a toner reservoir from which toner material falls into at least one bucket chamber, a rotation axis of the paddle wheel running substantially horizontal; the paddlewheel sealing an opening of the toner reservoir; an actuator to rotate the paddlewheel such that given a rotation the toner material is conveyed by the bucket chamber into a region below said rotation axis; and a screw conveyor arranged below the paddlewheel which further conveys toner material downwards from the paddlewheel, a quantity of the toner material conveyed by the paddlewheel being greater than a quantity conveyed by the screw conveyor.