Expandable and collapsible cabinet

Abstract

An expandable and collapsible cabinet contains a body being an elongated plate and including plural board portions and a plurality of bending portions; each bending portion integrally connecting with and between two abutting board portions, and between the each bending portion and each board portion is defined a grooved area to provide a collapsible space; a bottom cover; a top cover; when the body is folded into a rectangular frame by folding four grooved areas 90 degrees, the bottom cover and the top cover are covered on a bottom end and a top end of the body.

What is claimed is: 
     
         1 . An expandable and collapsible cabinet comprising:
 a body being an elongated plate and including plural board portions and a plurality of bending portions;   each bending portion integrally connecting with and between two abutting board portions, and between the each bending portion and each board portion is defined a first grooved area to provide a collapsible space;   a bottom cover;   a top cover;   when the body is folded into a rectangular frame by folding four first grooved areas 90 degrees, the bottom cover and the top cover are covered on a bottom end and a top end of the body.   
     
     
         2 . The expandable and collapsible cabinet as claimed in  claim 1 , wherein the body at least includes six board portions and five bending portions. 
     
     
         3 . The expandable and collapsible cabinet as claimed in  claim 1 , wherein the body at least includes four board portions and three bending portions. 
     
     
         4 . The expandable and collapsible cabinet as claimed in  claim 2 , wherein six widths of the six board portions are increased gradually from a left side to a right side of the body, and five widths of the five bending portions are increased gradually from the left side to the right side of the body. 
     
     
         5 . The expandable and collapsible cabinet as claimed in  claim 3 , wherein four widths of the four board portions are increased gradually from a left side to a right side of the body, and three widths of the three bending portions are increased gradually from the left side to the right side of the body. 
     
     
         6 . The expandable and collapsible cabinet as claimed in  claim 1 , wherein the body further includes a covering portion integrally connected on a free side of one outermost board portion, and between the covering portion and the one outermost board portion is defined a second grooved area. 
     
     
         7 . The expandable and collapsible cabinet as claimed in  claim 1 , wherein the bottom cover has a first C-shaped slot formed on a top surface thereof and a first opening defined on one side of the top surface thereof and communicating with the first C-shaped slot. 
     
     
         8 . The expandable and collapsible cabinet as claimed in  claim 1 , wherein the top cover has a second C-shaped slot formed on a bottom surface thereof and a second opening defined on one side of the bottom surface thereof and communicating with the second C-shaped slot. 
     
     
         9 . The expandable and collapsible cabinet as claimed in  claim 1 , wherein the bottom cover and the top cover are capable of being folded.