Spring coil assembly

Claim 1

A spring cushion assembly for a piece of furniture comprising: a frame with an internal surface area sized to define the intended weight bearing area of the piece of furniture; a plurality of hour-glass coil springs, said plurality of hour-glass coil springs being arranged in an assembly having rows and columns with the external surface area dimensions of the coil spring assembly being slightly smaller than the internal surface area of said frame; a plurality of helical wires, each helical wire extending between adjacent columns to connect two adjacent hour-glass coils in each row, a number of said plurality of helical wires connecting top convolutions of two adjacent hour-glass coils in each row and others of said plurality of helical wires connecting bottom convolutions of two adjacent hour-glass coils in each row; a border wire extending around a margin of said assembly, said border wire being connected to the top convolutions of the marginal hour-glass coils; a piece of transparent material positioned below the bottom convolutions of said coil spring assembly; a plurality of sinuous support springs positioned below said piece of transparent material, each sinuous support spring underlying a selected row of hour-glass coils and being connected to said selected row by clips extending through said piece of transparent material, said plurality of sinuous springs each having an integral upwardly extending suspending arm with an outwardly extending shepherd's hook shaped attachment arm extending therefrom on each end, said shepherd's hook shaped attachment arm being attached to said frame by attaching means.