Patent ID: 6321404
Filing Date: 2001-11-27
Classification: A47C

Abstract:
A built-up air cushion, comprising:a bottom wall; anda plurality of independent inflatable units separately detachably attached to a top surface of said bottom wall, each of said inflatable units including an essentially square base having four equal sides and a plurality of air cells provided on a top surface of said base, said base being provided at a bottom surface thereof with fastening means for detachably connecting said inflatable unit to said top surface of said bottom wall,wherein said units are positionable relative to one another on said bottom wall so that when a first one of said units is attached to said bottom wall, another one of said units is positionable adjacent to one of said sides of said first one of said units, and a further one of said units is positionable adjacent to another one of said sides of said first one of said units that is perpendicular to the one of said sides.