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Filter cage for wet/dry vacuums

  • US 9,675,225 B2
  • Filed: 06/23/2014
  • Issued: 06/13/2017
  • Est. Priority Date: 07/04/2008
  • Status: Active Grant
First Claim
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1. A filter cage assembly, comprising:

  • a longitudinal axis;

    an open bottom and a spaced apart, substantially parallel top surface;

    at least one circumferential rib circumscribing the cage and being oriented substantially perpendicular to the longitudinal axis;

    at least one longitudinal rib being oriented substantially parallel to the longitudinal axis, wherein the circumferential ribs and the longitudinal ribs form a plurality of openings in the cage; and

    a projection extending outward from the top surface and along the longitudinal axis of the filter cage, wherein the stem comprises a head portion and a neck region intermediate between the top surface of the cage and the head portion, the head portion having multiple differently shaped sections.

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