Patent ID: 7334280
Filing Date: 2008-02-26
Classification: A47C

Abstract:
1. A ventilated mattress, comprising: a top foam layer having a first side and an opposite second side; said top foam layer having a plurality of spaced apart holes, said holes extending through said top foam layer from said first side to said second side; a bottom foam layer; said bottom foam layer having an upward facing side, said upward facing side having a convoluted surface containing a plurality of upward projections spaced apart by valleys; said top foam layer residing on top of said bottom foam layer; said holes of said top foam layer horizontally arranged so that they are substantially above said valleys of said convoluted surface: air flow passageways created by said upward projections and said valleys; and, said bottom foam layer having a high enough ILD so that when a specified downward force is applied to said top foam layer, said bottom foam layer will not compress enough to block said air flow passageways.