Patent ID: 8402599

Claim:
A dirt cup for use in a vacuum cleaner, the dirt cup comprising: a container including an interior surface and an open bottom end; a tube including an interior surface and an exterior surface, the tube positioned in the container; a lid coupled to the container, the lid including an upper surface, a lower surface, a region extending between the lower surface and the upper surface, and an aperture that extends through the lid, the lid movable between a closed position where the lid covers the open bottom end and an open position for emptying the container through the open bottom end; a first chamber at least partially defined by the lid, the exterior surface of the tube, and the interior surface of the container when the lid is in the closed position; a second chamber at least partially defined by the lid and the interior surface of the tube when the lid is in the closed position; and a seal coupled to the lid and including a flange, an intermediate portion extending from the flange, and a post that extends from the flange, the post extending into the aperture of the lid to couple the seal to the lid; wherein the seal is positioned between the lid and the tube when the lid is in the closed position to inhibit airflow between the first chamber and the second chamber.