Adjustable mattress

Abstract

The present invention provides an adjustable mattress 10 comprising a top mattress layer 12 comprises a sleeping surface 16 opposite a top connecting surface, wherein the top mattress layer 12 comprises a top head portion 20 at a top head end 18 in communication with a top foot end 22 at a top foot portion 24 ; a bottom mattress layer 14 comprising a bottom connecting surface aligned with the top connecting surface, wherein the bottom mattress layer 14 comprises a bottom head end 32 that aligns with a top head end 18 and is in communication with a the bottom foot end 34 capable of aligning with the top foot end 22 at a bottom foot portion 36 ; an adjustable region 28 positioned in at least a portion of the top foot portion 24 to extend from a hinge 30 to the top foot end 22 , wherein the adjustable region 28 is adjustable about the hinge 30 to between about 0 and 180 degrees relative to the bottom foot end 34.

What is claimed is: 
     
         1 . An adjustable mattress  10  comprising:
 a top mattress layer  12  comprising:
 a sleeping surface  16  opposite a top connecting surface, wherein the top mattress layer  12  comprises a top head portion  20  at a top head end  18  in communication with a top foot end  22  at a top foot portion  24 ; 
 
 a bottom mattress layer  14  comprising:
 a bottom connecting surface aligned with the top connecting surface, wherein the bottom mattress layer  14  comprises a bottom head end  32  that aligns with a top head end  18  and is in communication with a the bottom foot end  34  capable of aligning with the top foot end  22  at a bottom foot portion  36 ; 
 
 an adjustable region  28  positioned in at least a portion of the top foot portion  24  to extend from a hinge  30  to the top foot end  22 , wherein the adjustable region  28  is adjustable about the hinge  30  to between about 0 and 180 degrees relative to the bottom foot end  34 . 
 
     
     
         2 . The adjustable mattress of  claim 1  wherein the top mattress layer  12 , the bottom mattress layer  14  and the adjustable region  28  independently comprise a foam layer, a gel material layer, a spring layer or a combination thereof. 
     
     
         3 . The adjustable mattress of  claim 1  wherein the adjustable region  28  is concurrent with the top foot portion  24 . 
     
     
         4 . The adjustable mattress of  claim 1  wherein the adjustable region  28  comprises a first adjustable region independent of a second adjustable region and the first adjustable region and second adjustable region are concurrent with the top foot portion  24 . 
     
     
         5 . The adjustable mattress of  claim 1  further comprising a frame connected to the hinge to facilitate the movement of the adjustable region  28  and lock the adjustable region  28  in place or an actuator in communication with the hinge to actively adjust the position of the adjustable region  28 . 
     
     
         6 . The adjustable mattress of  claim 1  further comprising a support system in the adjustable region  28  to provide support. 
     
     
         7 . The adjustable mattress of  claim 1  wherein the adjustable region  28  comprises preset positions of selected angles. 
     
     
         8 . The adjustable mattress of  claim 1  further comprising a connecting layer positioned between the top mattress layer  12  and the bottom mattress layer  14 . 
     
     
         9 . The adjustable mattress of  claim 1  wherein the top mattress layer  12 , the bottom mattress layer  14  and the adjustable region  28  independently comprise 2 or more layers. 
     
     
         10 . The adjustable mattress of  claim 1  wherein the top mattress layer  12 , the bottom mattress layer  14  and the adjustable region  28  are formed from a single layer or the bottom mattress layer  14  and the adjustable region  28  comprises a polyurethane foam. 
     
     
         11 . The adjustable mattress of  claim 1  further comprising a frame positioned around the parameter of the top mattress layer  12 . 
     
     
         12 . A method of positioning an adjustable mattress  10  to form a backrest  40  comprising the steps of:
 providing an adjustable mattress system comprising a top mattress layer  12  comprises
 a sleeping surface  16  opposite a top connecting surface  44 , wherein the top mattress layer  12  comprises a top head portion  20  at a top head end  18  in communication with a top foot end  22  at a top foot portion  24 ; 
 a bottom mattress layer  14  comprising a bottom connecting surface  46  aligned with the top connecting surface, wherein the bottom mattress layer  14  comprises a bottom head end  32  that aligns with a top head end  18  and is in communication with a the bottom foot end  34  capable of aligning with the top foot end  22  at a bottom foot portion  36 ; 
 an adjustable region  28  positioned in at least a portion of the top foot portion  24  to extend from a hinge  30  to the top foot end  22 , wherein the adjustable region  28  is adjustable about the hinge  30  to between about 0 and 180 degrees relative to the bottom foot end  34 ; 
 
 moving the adjustable region  28  to between about 75 and 130 degrees relative to the bottom foot end  34  to form a backrest  40 ; and 
 locking the backrest  40  into position. 
 
     
     
         13 . The method of  claim 12 , wherein the top mattress layer  12 , the bottom mattress layer  14  and the adjustable region  28  independently comprise a foam layer, a gel material layer, a spring layer or a combination thereof. 
     
     
         14 . The method of  claim 12 , wherein the adjustable region  28  is concurrent with the top foot portion  24 . 
     
     
         15 . The method of  claim 12 , wherein the adjustable region  28  comprises a first adjustable region independent of a second adjustable region and the first adjustable region and second adjustable region are concurrent with the top foot portion  24 . 
     
     
         16 . The method of  claim 12 , wherein the adjustable region  28  is adjusted to between about 80 and 100 degrees relative to the bottom foot end  34 . 
     
     
         17 . The method of  claim 12 , further comprising a frame connected to the hinge to facilitate the movement of the adjustable region  28  and lock the adjustable region  28  in place. 
     
     
         18 . The method of  claim 12 , further comprising an actuator in communication with the hinge to actively adjust the position of the adjustable region  28 . 
     
     
         19 . The method of  claim 12 , further comprising a support system in the adjustable region  28  to provide support. 
     
     
         20 . The method of  claim 12 , wherein the adjustable region  28  comprises preset positions of selected angles. 
     
     
         21 . The method of  claim 12 , wherein the top mattress layer  12 , the bottom mattress layer  14  and the adjustable region  28  comprise a polyurethane foam.