Portable bookcase

Abstract

A portable bookcase includes a case made of planks or plastic plates. The case is formed with a left side and a right side, an upper side, a lower side, a front side and a rear side. The lift and the right side respectively have a lower edge provided with a moving groove, which forms a certain depth by making use of the thickness of the plank or the plastic plate of the case, respectively having an upper edge disposed with a lifting handle. Thus, a user can move the case by extending fingers into the moving grooves or lift up the case by the lifting handles and further. Two or more cases can be superposed and combined together by having the moving grooves of the upper case joined with the lifting handles of the lower case. The portable bookcase of this invention is original in structure, able to be moved, lifted and superposed.

What is claimed is: 
     
         1 . A portable bookcase at least comprising a case, said case formed with a left side, a right side, an upper side, a lower side, a front side and a rear side, said left side and said right side of said case having their lower edges respectively provided with a moving groove, said moving grooves provided for a user's fingers to extend therein for moving said case from underside, said left side and right side of said case having their upper edges respectively disposed with a lifting handles, a user able to lift said case by means of said lifting handles, two or more of said cases able to be superposed and combined together by having said moving grooves of an upper one of said cases joined with said lifting handles of a lower one of said cases, said case able to be moved about, lifted up and down, and superposed and combined together for plural layers. 
     
     
         2 . The portable bookcase as claimed in  claim 1 , wherein said case can be formed with one single opening or plural openings, and said opening of said case can be provided at a front side, at a rear side, or at an upper side of said case. 
     
     
         3 . The portable bookcase as claimed in  claim 1 , wherein said moving grooves provided at a lower edge of said left side and said right side of said case respectively from a certain depth (w) by making use of a thickness of a side plank or a side plastic plate of said case. 
     
     
         4 . The portable bookcase as claimed in  claim 3 , wherein said moving groove can be formed into a rectangular shape or a square shape. 
     
     
         5 . The portable bookcase as claimed in  claim 1 , wherein said lifting handles respectively provided at an upper edge of said left side and said right side of said case are respectively formed with a lifting groove. 
     
     
         6 . The portable bookcase as claimed in  claim 5 , wherein the shape of said lifting handle must match with the shape of said moving groove, which can be a rectangular shape or a square shape. 
     
     
         7 . The portable bookcase as claimed in  claim 1 , wherein any number of said cases can be superposed and combined together by having said moving grooves of an upper one of said cases joined with said lifting handles of a lower one of said cases, and said case can be freely superposed and combined into plural layers in accordance with practical needs.