Patent ID: 9078795
Filing Date: 2015-07-14
Classification: A47C,A61G

Abstract:
1. A cushioning device comprising: a plurality of support fluid cells between a head end and a foot end of a support surface, the plurality of support fluid cells configured for supporting a load of a person, wherein each of the plurality of support fluid cells include a reforming element; a counterbalance system including a structure configured to transfer fluid from a first support fluid cell located at a first location along the support surface to a first counterbalance fluid cell located at a second location when the pressure is increased in the first support fluid cell of the support surface, wherein the first counterbalance fluid cell is positioned for counterbalancing a load on the plurality of support fluid cells of the support surface; a first foam layer including a first top surface and a first bottom surface, the first foam layer including a plurality of first channels located in the first top surface, each of the plurality of support fluid cells separately located in each of the plurality of first channels; and a second foam layer including a second top surface and a second bottom surface, the second foam layer including a second channel located in the second top surface, the first counterbalance fluid cell located in the second channel; wherein the second foam layer is attached to the first foam layer underneath the first foam layer such that the first bottom surface is adjacent to the second top surface.