Patent ID: 8857799
Filing Date: 2014-10-14
Classification: A47C,B68G

Abstract:
1. An advanced conformance encased coil spring unit comprising: a plurality of coils arranged in any array of rows and columns, each coil being individually covered in an encasement material and attached to each adjacent coil in each column creating a continuous strand of coils, each row of coils being attached by one or more connection points between the encasement material to each adjacent continuous strand of coils; a subset of the continuous coil strands having a partial slit between two center vertically adjacent coils, the partial slit proximate to an upper portion of the two center vertically adjacent coils, the subset also having fewer connection points between each pair of horizontally adjacent coils than the remaining horizontally adjacent coils; wherein the subset of the continuous coil strands does not include coils proximate to an outer perimeter of the encased coil spring unit.