US2015351557A1PendingUtilityA1

Multi-layer body support having phase change material

48
Individually held — no corporate assignee on recordPriority: Apr 16, 2014Filed: Apr 16, 2014Published: Dec 10, 2015
Est. expiryApr 16, 2034(~7.7 yrs left)· nominal 20-yr term from priority
Inventors:Norman Dax Allen
A47C 27/15A47C 27/085A47C 27/144
48
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Claims

Abstract

A body support includes a plurality of vertically stacked layers, a phase change material provided in each of the layers, and a cover enclosing the vertically stacked layers.

Claims

exact text as granted — not AI-modified
What is claimed is: 
     
         1 . A body support comprising:
 a plurality of vertically stacked layers;   a phase change material provided in each of the layers; and   a cover enclosing the vertically stacked layers.   
     
     
         2 . The body support of  claim 1 , wherein each of the vertically stacked layers is a layer of foam. 
     
     
         3 . The body support of  claim 1 , wherein the vertically stacked layers include at least one layer of high-resilience foam. 
     
     
         4 . The body support of  claim 3 , wherein at least one viscoelastic foam layer is provided above the layer of high-resilience foam. 
     
     
         5 . The body support of  claim 3 , wherein at least one viscoelastic foam layer and at least one non-viscoelastic foam layer is provided above the layer of high-resilience foam. 
     
     
         6 . The body support of  claim 5 , wherein the at least one viscoelastic foam layer provided above the at least one non-viscoelastic foam layer. 
     
     
         7 . The body support of  claim 4 , wherein the at least one viscoelastic foam layer is non-reticulated viscoelastic foam. 
     
     
         8 . The body support of  claim 3 , wherein the vertically stacked layers include at least one layer of non-reticulated viscoelastic foam and at least one layer of a material different than non-reticulated viscoelastic foam. 
     
     
         9 . The body support of  claim 8 , wherein the at least one layer of non-reticulated viscoelastic foam and at least one layer of a material different than non-reticulated viscoelastic foam are provided above the at least one layer of high-resilience foam. 
     
     
         10 . The body support of  claim 9 , wherein the at least one layer of a material different than non-reticulated viscoelastic foam is provided beneath the at least one layer of non-reticulated viscoelastic foam. 
     
     
         11 . The body support of  claim 1 , wherein the phase change material is encapsulated phase change material. 
     
     
         12 . The body support of  claim 1 , wherein the phase change material is phase change material without encapsulation. 
     
     
         13 . The body support of  claim 1 , wherein the phase change material is a plurality of gel beads. 
     
     
         14 . The body support of  claim 1 , wherein encapsulated phase change material is provided in one or more of the vertically stacked layers, wherein phase change material without encapsulation is provided in one or more of the vertically stacked layers, and wherein the encapsulated phase change material and the phase change material without encapsulation are not provided in the same layer. 
     
     
         15 . A body support comprising:
 a plurality of foam layers, at least one of which is a high-resilience foam; and   a phase change material provided within the high-resilience foam layer.   
     
     
         16 . The body support of  claim 15 , wherein the high-resilience foam layer is the bottom most layer of the plurality of foam layers. 
     
     
         17 . The body support of  claim 15 , wherein a first of the plurality of foam layers is vertically stacked above the high-resilience foam layer, and wherein the first foam layer includes a phase change material provided within the first foam layer. 
     
     
         18 . The body support of  claim 15  wherein the foam layers are provided in a vertically stacked arrangement, and wherein a first of the foam layers is a viscoelastic foam having a phase change material provided within the first foam layer. 
     
     
         19 . The body support of  claim 18 , wherein the high-resilience foam layer s provided below and supports the first foam layer. 
     
     
         20 . The body support of  claim 19 , wherein at least one of the plurality of foam layers is a material different than viscoelastic foam and includes a phase change material provided within the layer.

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