Patent ID: 6398199
Filing Date: 2002-06-04
Classification: A47C,F16F

Abstract:
A coil spring assembly, comprising:rows of coil springs, each of said coil springs having a top surface, a bottom surface and a longitudinal axis, each of said coil springs having a uniform wire diameter and being heat-tempered prior to being individually encased in a pocket, said pocket including a top surface, a bottom surface and a side wall connecting said top surface and said bottom surface, a plurality of said coil springs being perimetrical coil springs, said pocketed coil springs forming a coil spring assembly partitioned into at least two sections, one of said sections being firmer than the other section, said firmer section formed from coil springs having a height in their relaxed state greater than the height of coil springs in said other section in their relaxed state; a top securing sheet, said top securing sheet having an inner face and an outer face; and a bottom securing sheet, said bottom securing sheet having an inner face and an outer face, said rows of coil springs being positioned between said top securing sheet and said bottom securing sheet.