The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 07, 1992
Filed:
May. 14, 1990
Thomas P Long, Carthage, MO (US);
Henry R Ramsey, Dudley, MA (US);
John B Schnake, Carthage, MO (US);
Thomas J Wells, Carthage, MO (US);
Leggett & Platt, Incorporated, Carthage, MO (US);
Abstract
A pocketed coil spring assembly for use in the manufacture of mattresses or cushions or the like comprising a plurality of longitudinally extending strips of integrally connected closed fabric pockets each containing at least one helically coiled wire compression spring having its axis disposed transversely of the strip, and wherein each of the strips contains a single band of interconnected springs formed from a single length of wire into a plurality of interconnected helical coil springs. In the preferred embodiment of the invention, each strip of spring containing pockets is spaced from each adjacent strip by a ply of resilient foam material, and each of the plies of resilient foam material are secured to the sidewalls of adjacent strips.