Patent ID: 6249924
Filing Date: 2001-06-26
Classification: A47C

Abstract:
A mattress having an anti-roll off feature comprising:an innerspring unit having a plurality of compression springs separating opposed first and second surfaces, each surface having an exterior facing away from the springs and an interior engaging the springs, and each surface having an outer perimeter circumscribing the surface;at least one substantially rigid foam block vertically disposed inside the innerspring unit between the interiors of the first and second surfaces at the outer perimeter;at least two blocks of substantially rigid foam horizontally disposed on the exterior of the first surface at opposed perimeters thereof;at least one pliable sheet spread edge-to-edge over the exterior of the first surface, wherein said at least one pliable sheet is wrapped around the horizontal rigid foam blocks disposed at the outer perimeter; andpadding anchored to the innerspring unit and disposed over the pliable sheet and in between the horizontal foam blocks providing an even sleeping surface above the horizontal foam blocks and said at least one pliable sheet.