Portable lumbar support cushion system

Abstract

A portable lumbar support cushion system providing support to the lower thoracic and lumbar spine, without exerting direct pressure on the same, as well as, providing a pressure release for the sacrum and coccyx. This is accomplished by a first and second cutout in the seat cushion and back cushion, respectively, and a vertically adjustable, interchangeable support of variable thickness that mounts on the rear of the back cushion. The support is mounted in a position that is between a chair back and the back cushion, where it exerts pressure on the back cushion that causes the back cushion to form a curved shape around the support. As such, the back cushion presents a corresponding curved shaped bulge that supports the spine curvature of the seated occupant along the sides of the back cushion flanking the second cutout along an area that overlays the lower thoracic and lumbar spine.

1 . I claim an apparatus comprising: 
 a seat cushion,    the seat cushion including a first cutout;    a back cushion,    the back cushion comprising a 
 front, and  
 a rear, and  
   the back cushion including a second cutout; and    a moveable support,    the moveable support attachably fixed to the rear of the back cushion.    
   
   
       2 . The apparatus of  claim 1 , wherein the seat cushion is attachably fixed to the back cushion.  
   
   
       3 . The apparatus of  claim 1 , wherein the seat cushion further comprises: 
 a top, and    a bottom, and    the first cutout traverses from the top of the seat cushion to the bottom of the seat cushion.    
   
   
       4 . The apparatus of  claim 1 , wherein the second cutout traverses from the front of the back cushion to the rear of the back cushion.  
   
   
       5 . The apparatus of  claim 1 , wherein a thickness of the moveable support is variable.  
   
   
       6 . The apparatus of  claim 1 , further comprising reinforcement of at least one of: 
 the seat cushion, and    the back cushion.    
   
   
       7 . The apparatus of  claim 6 , wherein the reinforcement is contained within at least one of: 
 the seat cushion, and    the back cushion.    
   
   
       8 . The apparatus of  claim 1 , further comprising handles fixed to at least one of: 
 the back cushion,    the seat cushion, and    the support.    
   
   
       9 . The apparatus of  claim 1 , further comprising closures fixed to at least one of: 
 the back cushion, and    the seat cushion.    
   
   
       10 . The apparatus of  claim 1 , further comprising elastic straps for use in securing the apparatus to a chair or other surface, the straps attachably fixed to at least one of: 
 the back cushion, and    the seat cushion.    
   
   
       11 . An apparatus comprising: 
 a seat cushion, 
 the seat cushion including a first cutout;  
   a back cushion, 
 the back cushion comprising, 
 a front, and  
 a rear,  
 
 the back cushion fixed to the seat cushion, and  
 the back cushion including a second cutout; and  
   a moveable support, 
 the moveable support fixed to the rear of the back cushion.  
   
   
   
       12 . The apparatus of  claim 11 , wherein the back cushion is attachably fixed to the seat cushion.  
   
   
       13 . The apparatus of  claim 11 , wherein the moveable support is attachably fixed to the back cushion.  
   
   
       14 . An apparatus comprising: 
 a seat cushion, 
 the seat cushion including a first pressure release channel;  
   a back cushion, 
 the back cushion comprising 
 a front, and  
 a rear,  
 
 the back cushion including a second pressure release channel; and  
   a support, 
 the support fixed to the rear of the back cushion.  
   
   
   
       15 . The apparatus of  claim 14 , wherein the seat cushion further comprises: 
 a top, and    a bottom, and    the first pressure release channel traverses from the top of the seat cushion to the bottom of the seat cushion.    
   
   
       16 . The apparatus of  claim 14 , wherein the second pressure release channel traverses from the front of the back cushion to the rear of the back cushion.  
   
   
       17 . The apparatus of  claim 14 , wherein the support is attachably fixed to the rear of the back cushion.  
   
   
       18 . The apparatus of  claim 14 , further comprising reinforcement of at least one of: 
 the seat cushion, and    the back cushion.    
   
   
       19 . The apparatus of  claim 18 , wherein the reinforcement is within at least one of: 
 the seat cushion, and    the back cushion.    
   
   
       20 . The apparatus of  claim 14 , wherein a thickness of the support is variable.