Patent ID: 7128771
Filing Date: 2006-10-31
Classification: B01D,Y10S

Abstract:
1. An air filter retaining system for supporting a plurality of filter elements of different sizes, comprising: a plurality of rectangularly configured frames joined together in a vertically standing rectangularly array, each said frame being made of an assembly of extrusions selected from at least first extrusions of a first particular length, each having an inwardly facing side for engaging the sides of a filter element, and an outwardly facing side including at least one outwardly extending engagement member of a first mating type or a second mating type matingly opposite to said first mating type, second extrusions of a second particular length, each having an inwardly facing side for engaging the sides of a filter element, and an outwardly facing side including at least one outwardly extending engagement member of said first mating type or said second mating type, or third extrusions of a third particular length, each having an inwardly facing side for engaging the sides of a filter element, and an outwardly facing side including at least one outwardly extending engagement member of said first mating type or said second mating type, wherein each row of said array has its vertical dimension determined by the lengths of the extrusions forming the vertical sides of the frames in the row, and each column of said array has its horizontal dimension determined by the lengths of the extrusions forming the horizontal sides of the frames in the column, and wherein the extrusions forming contiguous sides of adjacent frames have engagement members of opposite mating types interlocked together to rigidly secure the adjacent frames together.