US Patent 7950191 Continuous flexible support structure assembly

A surface support structure is provided with at least one cell having a plurality of upright walls. A first wall of the plurality of upright walls has a recessed portion forming at least a portion to allow extension and contraction in multiple directions of the at least one cell. The plurality of upright walls of the at least one cell define a perimeter such that the recessed portion extends towards a second wall of the plurality of upright walls and is within the perimeter.