×

Collapsible auto expanding media filter

  • US 7,452,396 B2
  • Filed: 03/01/2006
  • Issued: 11/18/2008
  • Est. Priority Date: 03/01/2006
  • Status: Active Grant
First Claim
Patent Images

1. A collapsible filter assembly, comprising:

  • at least one filter element including a filter media having first and second sides and first and second end panels;

    a collapsible filter frame actuatable between a collapsed position and an expanded position, the collapsible filter frame including a first frame member configured to extend adjacent the first side of the filter media in the expanded position;

    wherein the first frame member is configured to bend or fold outwardly away from the first side of the filter media in said collapsed position; and

    an elastic member configured to bias the filter frame to the expanded position.

View all claims
  • 4 Assignments
Timeline View
Assignment View
    ×
    ×