Inflatable pad assembly with inflatable back pad

Abstract

An inflatable pad assembly includes an inflatable base pad having front and rear sides, an inflatable back pad having a front side, and a connecting unit for interconnecting detachably the inflatable base pad and the inflatable back pad such that the rear side of the inflatable base pad abuts against only a lower end portion of the front side of the inflatable back pad.

1 . An inflatable pad assembly comprising:
 an inflatable base pad having front and rear sides;   an inflatable back pad having a front side; and   a connecting unit for interconnecting detachably said inflatable base pad and said inflatable back pad such that said rear side of said inflatable base pad abuts against only a lower end portion of said front side of said inflatable back pad.   
   
   
       2 . The inflatable pad assembly as claimed in  claim 1 , wherein said connecting unit includes a zipper that has two zipper halves disposed respectively on said rear side of said inflatable base pad and said front side of said inflatable back pad and engaging detachably each other. 
   
   
       3 . The inflatable pad assembly as claimed in  claim 2 , wherein said connecting unit further includes two elongate plastic reinforcing strips disposed fixedly and respectively on said rear side of said inflatable base pad and said front side of said inflatable back pad, said zipper halves being fastened respectively to said reinforcing strips. 
   
   
       4 . The inflatable pad assembly as claimed in  claim 2 , wherein:
 said inflatable base pad further has opposite first and second lateral sides;   said inflatable back pad further has opposite first and second lateral sides corresponding respectively to said first and second lateral sides of said inflatable base pad; and   said connecting unit further includes
 a first snap fastener unit including a female fastener disposed on one of said first lateral sides of said inflatable base pad and said inflatable back pad, a strap fastened to the other one of said first lateral sides of said inflatable base pad and said inflatable back pad, and a male fastener disposed fixedly on said strap of said first snap fastener unit and engaging detachably said female fastener of said first snap fastener unit, and 
 a second snap fastener unit opposite to said first snap fastener unit and including a female fastener disposed on one of said second lateral sides of said inflatable base pad and said inflatable back pad, a strap fastened to the other one of said second lateral sides of said inflatable base pad and said inflatable back pad, and a male fastener disposed fixedly on said strap of said second snap fastener unit and engaging detachably said female fastener of said second snap fastener unit. 
   
   
   
       5 . The inflatable pad assembly as claimed in  claim 4 , wherein:
 each of said inflatable base pad and said inflatable back pad further has a bottom side; and   said connecting unit further includes a third snap fastener unit that includes a female fastener disposed on one of said bottom sides of said inflatable base pad and said inflatable back pad, a strap fastened to the other one of said bottom sides of said inflatable base pad and said inflatable back pad, and a male fastener disposed fixedly on said strap of said third snap fastener unit and engaging detachably said female fastener of said third snap fastener unit.   
   
   
       6 . The inflatable pad assembly as claimed in  claim 2 , wherein:
 each of said inflatable base pad and said inflatable back pad further has a bottom side; and   said connecting unit further includes a snap fastener unit that includes a female fastener disposed on one of said bottom sides of said inflatable base pad and said inflatable back pad, a strap fastened to the other one of said bottom sides of said inflatable base pad and said inflatable back pad, and a male fastener disposed fixedly on said strap and engaging detachably said female fastener.