Exercise chair

Abstract

An exercise chair has a base, a top member and an at least one middle pad disposed between the base and the top member. The base has an assembling face and a curved face. The assembling face has a plurality of the assembly rods. The top member has an engaging face and a seating face, and the engaging face has a plurality of the engaging apertures. The at least one middle pad has a plurality of the engaging indentations on the lower surface, and the upper surface is formed with a plurality of the engaging protrusions. Therefore, by combining the exercise chair together, the number of stacks of the middle pad can be adjusted according to the movement form or the height of the user, so that the users can assemble structure by themselves.

What is claimed is: 
     
         1 . An exercise chair comprising: a base, a top member, and at least one middle pad disposed between the base and the top member; the base having an assembling face and a curved face; the assembling face having a plurality of assembling rods; the top member having an engaging face and a seating face; the engaging face having a plurality of engaging apertures; and the at least one middle pad having a plurality of engaging indentations on a lower surface and a plurality of engaging protrusions on an upper surface. 
     
     
         2 . The exercise chair as claimed in  claim 1 , wherein the base further comprises a plurality of assembling rods on the assembling face. 
     
     
         3 . The exercise chair as claimed in  claim 2 , wherein the top member further comprises a plurality of engaging apertures on the engaging face. 
     
     
         4 . The exercise chair as claimed in  claim 3 , wherein the lower and upper surface of the at least one middle pad further comprise a plurality of engaging indentations and a plurality of engaging protrusions. 
     
     
         5 . The exercise chair as claimed in  claim 1 , wherein the assembling face of the base further comprises a plurality of assembling grooves for accepting a plurality of assembling rods and glue. 
     
     
         6 . The exercise chair as claimed in  claim 5 , wherein the top member further comprises an upper portion and a lower portion glued together; wherein the upper portion is provided with a seating face, and the lower portion is provided with a plurality of engaging apertures penetrating through the engaging face. 
     
     
         7 . The exercise chair as claimed in  claim 6 , wherein the at least one middle pad further comprises a plurality of through apertures for respectively accepting a portion of a column member, another portion of each column member is configured as an engaging protrusion, and the lower surface of the middle pad is provided with the plurality of engaging indentations. 
     
     
         8 . The exercise chair as claimed in  claim 1 , wherein the base, the top member, and the middle pad are correspondingly provided with three assembling rods, three engaging apertures, three engaging protrusions and three engaging indentations. 
     
     
         9 . The exercise chair as claimed in  claim 8 , wherein the assembling rods, the engaging apertures, the engaging protrusions and the engaging indentations are arranged evenly around a center point of the exercise chair. 
     
     
         10 . The exercise chair as claimed in  claim 1 , wherein the seating face of the top member is flat or curved.