Combination suitcase

Abstract

A suitcase is adapted to its penal with a backpack for the backpack to protect the penal of suitcase from damaged by scratches and to increase storage space for the suitcase; and when detached from the suitcase, the backpack functions as a standalone carrier bag by hand or a shoulder bag in conjunction with a shoulder strap, or a sack in conjunction with an additional pocket and two should straps provided to the back of the backpack.

1 . A combination suitcase includes a suitcase and a detachable backpack, multiple corners selected on one side or both sides of the penal of the suitcase being respectively disposed with a loop; and the detachable backpack made in a flat and wide form having provided on each corners a mating buckle for the backpack to be detached to the surface of the penal of the suitcase.  
   
   
       2 . The combination suitcase of  claim 1 , wherein each of those buckles is locked to a slot at each corner of the panel of the suitcase.  
   
   
       3 . The combination suitcase of  claim 1 , wherein each of those loops is made integrated to a corner of the penal of the suitcase.  
   
   
       4 . The combination suitcase of  claim 1 , wherein each of those multiple loops is connected to the backpack by means of an elastic band.  
   
   
       5 . The combination suitcase of  claim 1 , wherein one pocket or multiple pockets are provided to the backpack.  
   
   
       6 . The combination suitcase of  claim 1 , wherein a shoulder strap is provided for the backpack to become a shoulder bag when detached from the suitcase.  
   
   
       7 . The combination suitcase of  claim 1 , wherein one pocket or multiple pockets and two shoulder straps are further disposed to the back of the backpack; and the detached backpack becomes a sack with both shoulder straps pulled out.  
   
   
       8 . The combination suitcase of  claim 1 , wherein each of four corners of the backpack is disposed with an insertion hole to conceal the buckle locked in the loop.  
   
   
       9 . The combination suitcase of  claim 7 , wherein a buckle is adapted to the lower end of each shoulder strap of the backpack and a corresponding loop is disposed on the backpack; and the upper end of each shoulder strap is fixed to the backpack.