Backpack

Abstract

The back section ( 1 ) of a backpack is as formed as an inflatable back support pad ( 3 ).

1 . A backpack with a back section having a back support pad, the back support pad being inflatable.  
     
     
         2 . The backpack of  claim 1  in which the inflatable back support pad comprises interconnected inflatable pad sections.  
     
     
         3 . The backpack of  claim 2  wherein said inflatable back support pad sections are interconnected with an inflatable valve permitting inflation thereof.  
     
     
         4 . The backpack of  claim 1  in which the inflatable back support pad has a shoulder section and, on each side thereof, a pelvic section connected to the shoulder section by at least one connecting section.  
     
     
         5 . The backpack of  claim 4  in which the pelvic sections are interconnected by at least one joint.  
     
     
         6 . The backpack of  claim 4  in which the shoulder section of the inflatable back support pad includes a heart section overlying the area between the two shoulder blades and from which at least one connecting section extends to the pelvic sections, and a yoke section disposed above the heart section for overlying the shoulders of a wearer.  
     
     
         7 . The backpack of  claim 4  including an inflating valve provided in the area of said shoulder section.  
     
     
         8 . The backpack of  claim 4  including shoulder straps, the shoulder straps including inflatable pads positioned to overlie the shoulders of a wearer.  
     
     
         9 . The backpack of  claim 8  wherein said inflatable pads of the shoulder straps are pneumatically connected with the shoulder sections for inflation.  
     
     
         10 . The backpack of  claim 4  wherein said back support pad includes hip fins having inflatable pads for overlying the hips of a wearer.  
     
     
         11 . The backpack of  claim 10  wherein said inflatable pads of the hip fins are pneumatically connected with respective pelvic sections for inflation.  
     
     
         12 . The backpack of  claim 10  wherein said inflatable pads of the shoulder straps and/or the pads of the hip fins have articulated constrictions.  
     
     
         13 . The backpack of  claim 1  including a bag portion that is detachably fastenable to said back support pad.  
     
     
         14 . The backpack of  claim 13  wherein said bag portion has a top, a bottom, and sides, and includes a closable opening extending from the top to the bottom of the bag intermediate said sides.