Patent ID: 7662200

Claim:
A vacuum cleaner dirt containment system comprising: a bag chamber associated with a vacuum cleaner housing, the bag chamber comprising: an open end, an outlet adapted to be in fluid communication with a vacuum fan inlet located on the vacuum cleaner housing, and a plurality of locator ribs extending from an inner wall of the bag chamber, each locator rib having a landing adjacent an inner wall of the bag chamber, and a pin located inward of the landing and extending from the landing towards the open end of the bag chamber; a filter bag assembly adapted to be inserted into the open end of the bag chamber, the filter bag comprising: a bag formed at least partially of an air-permeable material, and a flange attached to an open end of the bag and having a flange air inlet passing through the flange into the bag, the flange having a plurality of openings located to be inserted over one or more of the locator rib pins, and a plurality of support segments located to abut one or more of the locator rib landings when the openings are located over the locator rib pins; and a lid selectively attachable to the open end of the bag chamber, the lid comprising an air inlet mounting tube that extends into the flange air inlet when the lid is attached to the open end of the bag chamber.