Patent ID: 6209962
Filing Date: 2001-04-03
Classification: A47C,Y10S

Abstract:
A freeform furniture item comprisinga casing comprised of a flexible non-air permeable material, said casing including upper, bottom and middle parts,said middle part connecting said upper and bottom parts,a first volume of flowable particles substantially filling said upper, bottom and middle parts of said casing and being flowable between said parts when a person sits on said item to accommodate the body of that person,horizontally and vertically extending elastic panels connected across the interior of said casing for limiting the change in shape of said casing as said flowable particles flow between said parts when a person sits on said item, andan airtight inflatable air chamber in said bottom part of said casing for compensating for reduction in said first volume resulting from crushing and/or abrading of said particles after repeated uses.