Seating cushion

Claim 1

A seat cushion comprising: (a) a main body panel of cushion type foam material having a pair of oppositely disposed seating faces, a plurality of spring mounting passages opening through said main body in a seating area thereof, said passages extending perpendicularly between said seating faces, said passages including perimeter passages located along the perimeter of the seating area, and inboard passages located inwardly from the perimeter of the seating area, (b) a plurality of perimeter compression springs mounted one within each of said perimeter passages and a plurality of inboard compressions springs mounted one within each inboard passage, (c) a resiliently flexible retainer member extending about the perimeter of said seating area, along one of said seating faces, said retaining member being secured to and held fast and taut with respect to one end of each perimeter spring which is located in each perimeter passage whereby upon the removal of a seating load, the retaining member will restore the perimeter compression springs to the perpendicular position, said resiliently flexible retainer member being free of attachment to the inboard springs whereby the inboard springs are independently compressible, and, (d) a pair of facing panels, on said facing panels being disposed in a face-to-face relationship with respect to each seating face of said main body panel.