Wet/dry vacuum

Details Wet/dry vacuum Wet/dry vacuum

A - Human Necessities

47

L

A47L 5/36 (2006.01) A47L 5/24 (2006.01) A47L 7/00 (2006.01) A47L 9/00 (2006.01)

Patent

CA 2273515

A vacuum appliance is disclosed, comprising a collection canister and a powerhead housing a motor and impeller assembly for establishing vacuum pressure within said canister. In one embodiment, the appliance is of the wet/dry variety. A filter assembly comprising a rigid filter cage around which a filter is disposed. The filter cage is supported on an underside of the powerhead and extends into the collection canister such that the bottom of the filter assembly is at or substantially near the bottom of the collection canister. As a result, deflection of the collection canister as a result of vacuum pressure built up in the canister is resisted by the rigidity of the filter cage. In one embodiment, a frame within the powerhead serves the dual functions of supporting the motor and defining one wall or surface of an impeller chamber in which an impeller rotates to create the vacuum pressure. Barbed latches projecting from the powerhead function to removably secure the powerhead over the open top of the collection canister by engaging notches formed in the side of the canister. Substantially flat surfaces are formed in the vacuum's powerhead to facilitate the actuation of the latches, which is intuitively and ergonomically accomplished by a user resting his or her palm, thumb, or fingers on the substantially flat surfaces and grasping the latches with his or her free fingers.

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