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Vacuum appliance filter assemblies and associated vacuum systems

  • US 8,557,008 B2
  • Filed: 06/05/2012
  • Issued: 10/15/2013
  • Est. Priority Date: 07/04/2008
  • Status: Active Grant
First Claim
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1. A filter for use with a wet/dry vacuum cleaner, the filter comprising:

  • a central longitudinal axis;

    a cap having a top face and an opposite bottom face, and an annular hole of a diameter less than the diameter of the cap extending through the center of the cap about the central longitudinal axis of the filter, the cap including one or more integrally formed handles, the one or more handles extending over the outer edge of the filter such that the diameter between the outer edges of the handles is greater than the outer diameter of the filter;

    a support strut on the top face of the cap; and

    a filter positioned below the cap and extending in a circumferential path that forms a closed, interior path, the filter being integrally formed with the cap portion to form a single filter assembly,wherein the centrally located annular hole is circumscribed by a retaining structure,wherein the cap is comprised of a flexible material bonded to the filter, andwherein when the cap is in association with a filter cage of the wet/dry vacuum appliance, the cap seals on a plane above the top surface of the filter.

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