Back pack with back cushioning means

Abstract

A backpack provided with a cushioning bladder, the lower part of which extends across and beneath the bottom of the pack and an upper part extending part-way upwardly along the forward panel that generally conforms to the shape of the curvature of the thoracic region of the spine. The bladder may be filled with padding material such as a gel, foam, rubber or fluid.

1 . A backpack for relieving stress, weight and pressure from a user's back, comprising:
 a pack for storing items, having
 top, 
 forward panel to face the user's back, 
 sides, and 
 bottom, and, 
 outer surface; 
   adjustable shoulder straps extending from the top to the bottom of the pack, for enabling the positioning the pack on the user's back and, for carrying the pack over the user's shoulders; and,   a cushioning bladder having
 a lower part extending across and beneath the bottom of the pack and, 
 an upper part extending part-way upwardly along the forward panel. 
   
     
     
         2 . The back pack of  claim 1  wherein the bladder is so constructed and arranged to a generally L-shaped configuration, with the bladder lower part for resting upon and generally conforming to the buttocks area of the user, and the bladder upper part continuing from the bladder lower part, extending at an angle part-way up the forward panel, so as to rest upon the user's back and generally conform to the curvature of the thoracic region of the user's body. 
     
     
         3 . The back pack of  claim 1  wherein the bladder contains padding material. 
     
     
         4 . The backpack of  claim 3  wherein the padding material is a gel 
     
     
         5 . The backpack of  claim 3  wherein the padding material is a foam. 
     
     
         6 . The backpack of  claim 3  wherein the padding material is rubber. 
     
     
         7 . The backpack of  claim 3  wherein the padding material is a fluid. 
     
     
         8 . The backpack of  claim 3  wherein the bladder is so constructed and arranged to a generally L-shaped configuration, with the bladder lower part for resting upon and generally conforming to the buttocks area of the user, and the bladder upper part continuing from the bladder lower part, extending at an angle part-way up the forward panel, so as to rest upon the user's back and generally conform to the curvature of the thoracic region of the user's body. 
     
     
         9 . The backpack of  claim 8  wherein the padding material is a gel 
     
     
         10 . The backpack of  claim 8  wherein the padding material is a foam. 
     
     
         11 . The backpack of  claim 8  wherein the padding material is rubber. 
     
     
         12 . The backpack of  claim 8  wherein the padding material is a fluid. 
     
     
         13 . The backpack of  claim 1  including a bag joined to the backpack outer surface having a lower portion beneath the back bottom, and a forward portion part-way up the forward panel, the bag enclosing the bladder.