Bedding or seating foundation having sinuous spring modules

Abstract

A bedding or seating product comprising a base having a pair of end rails, a pair of side rails and a plurality of intermediate rails. A plurality of resilient sinuous spring modules are secured to the base rails. A nestably stackable wire assembly including a wire grid, support wires and surrounding border wire are supported by the sinuous spring modules.

We claim:  
     
         1 . A bedding or seating foundation comprising: 
 a base comprising a pair of end rails, a pair of side rails and a plurality of intermediate rails,    a plurality of sinuous spring modules secured to said intermediate rails of said base,    a plurality of transversely spaced, parallel and longitudinally extending support wires,    a wire grid spaced above said base,    each of said support wires being generally corrugated along its length having flattened peaks and flattened valleys, said flattened peaks being secured to said wire grid and said flattened valleys being secured to said sinuous spring modules, and    an upholstered covering surrounding said base, sinuous spring modules, support wires and wire grid.    
     
     
         2 . A bedding or seating foundation comprising: 
 a base comprising a pair of end rails, a pair of side rails and a plurality of intermediate rails,    a plurality of sinuous spring modules secured to said intermediate rails of said base,    a plurality of transversely spaced, parallel and longitudinally extending support wires,    a wire grid spaced above said base,    each of said support wires being generally corrugated along its length having flattened peaks and flattened valleys, said flattened peaks being secured to said wire grid and said flattened valleys being secured to said sinuous spring modules.    
     
     
         3 . The foundation of  claim 2  wherein each of said sinuous spring modules is generally arcuate.  
     
     
         4 . The foundation of  claim 3  wherein each of said sinuous spring modules has a pair of end portions to which fasteners are secured to join said sinuous spring module to an adjacent pair of said support wires.  
     
     
         5 . The foundation of  claim 4  wherein said fasteners are metal clips.  
     
     
         6 . A bedding or seating foundation comprising: 
 a base comprising a pair of end rails, a pair of side rails and a plurality of intermediate rails,    a plurality of sinuous spring modules secured to said intermediate rails of said base, each of said sinuous spring modules having a pair of end portions,    a plurality of transversely spaced, parallel and longitudinally extending support wires, each of said support wires being generally corrugated along its length and having flattened peaks and flattened valleys, said flattened valleys being secured to said end portions of said sinuous spring modules, and    a wire grid secured to said flattened peaks of said support wires.    
     
     
         7 . The foundation of  claim 6  wherein said wire grid has a border wire around the periphery thereof.  
     
     
         8 . The foundation of  claim 7  wherein each of said support wires has a pair of ends secured to said border wire.  
     
     
         9 . A bedding or seating foundation comprising: 
 a base comprising a pair of end rails, a pair of side rails and a plurality of intermediate rails,    a plurality of sinuous spring modules secured to said intermediate rails and said end rails of said base, each of said sinuous spring modules having a middle portion and a pair of end portions raised from said middle portion,    a nestably stackable wire assembly comprising, 
 a plurality of transversely spaced, parallel and longitudinally extending support wires, each of said support wires being generally corrugated along its length and having flattened peaks and flattened valleys, and  
 a wire grid, said flattened peaks of said support wires being secured to said wire grid and said flattened valleys of said support wires being secured to said end portions of said sinuous spring modules.  
   
     
     
         10 . The foundation of  claim 9  wherein said wire grid has a border wire around the periphery thereof.  
     
     
         11 . The foundation of  claim 10  wherein each of said support wires has a pair of ends secured to said border wire.  
     
     
         12 . A bedding or seating foundation comprising: 
 a base comprising a pair of end rails, a pair of side rails and a plurality of intermediate rails,    a plurality of generally C-shaped sinuous spring modules secured to said rails of said base, each of said sinuous spring modules having a pair of end portions,    a nestably stackable wire assembly comprising 
 a plurality of transversely spaced, parallel and longitudinally extending support wires, each of said support wires being generally corrugated along its length and having flattened peaks and flattened valleys, and  
 a wire grid, said flattened peaks of said support wires being secured to said wire grid and said flattened valleys of said support wires being secured to said end portions of said sinuous spring modules.  
   
     
     
         14 . The foundation of claim  13  wherein said end portions of said sinuous spring module are raised above said rails of said base.  
     
     
         15 . The foundation of claim  13  wherein each of said sinuous spring modules has a middle portion securing said sinuous spring module to one of said rails of said base.  
     
     
         16 . The foundation of claim  13  wherein said rails of said base are made of wood.  
     
     
         17 . The foundation of claim  13  wherein said wire grid has a border wire around the periphery thereof.  
     
     
         18 . The foundation of  claim 17  wherein each of said support wires has a pair of ends secured to said border wire.  
     
     
         19 . A bedding or seating foundation comprising: 
 a base comprising a pair of end rails, a pair of side rails and a plurality of intermediate rails,    a plurality of generally arcuate sinuous spring modules secured to said intermediate rails of said base, and    a wire assembly supported by said arcuate sinuous spring modules.    
     
     
         20 . The foundation of  claim 19  wherein said wire assembly is nestably stackable.  
     
     
         21 . The foundation of  claim 19  wherein said wire assembly comprises a plurality of transversely spaced, parallel and longitudinally extending support wires, each of said support wires being generally corrugated along its length having flattened peaks and flattened valleys, said flattened peaks being secured to said a wire grid and said flattened valleys being secured to said sinuous spring modules.  
     
     
         22 . The foundation of  claim 19  wherein said wire assembly includes a wire grid having a border wire.  
     
     
         23 . The foundation of  claim 19  wherein each of said sinuous spring modules is generally C-shaped.  
     
     
         24 . The foundation of  claim 23  wherein each of said C-shaped sinuous spring modules has a middle portion attached to said base, outer portions extending upwardly from said middle portion, each of said outer portions terminating in an end portion secured to saiid wire assembly.