Patent ID: 7574760

Claim:
A cushion comprising: (a) a first surface made of flexible high polymer resin; (b) a second surface made of flexible high polymer resin, in at least partially coextensive relation to said first surface to define a cavity therebetween, said coextensive relation defining opposing corresponding portions of said first and second surfaces; (c) a plurality of support members comprising inwardly directed indentations in both of said first and second surfaces extending into the cavity, a plurality of the indentations in each of the first and second surfaces having a square shape and an outwardly facing recess, a plurality of the indentations in said first surface abutting said indentations in the second surface; (d) a layer of visco-elastic foam substantially overlying the first surface; and, (e) a fabric enclosure surrounding the first surface, the second surface and the foam layer.