Small animal shelter

Abstract

An exercise disk that can be attached to a small animal shelter is disclosed.

What is claimed:  
     
         1 . An animal exercise disk comprising: an upper surface and a lower surface; 
 and a means for attaching said disk to a hub;    wherein said disk is contoured to conform to the shape of said hub.    
     
     
         2 . The exercise disk according to  claim 1  wherein the hub is selected from an shelter, feeding apparatus, liquid reservoirs, activity equipment, and challenging entertainment apparatus.  
     
     
         3 . The exercise disk according to  claim 1  wherein the contour of the center portion of the disk slopes downwardly away from the center, transitioning in the exterior portion of the disk to slope upwardly.  
     
     
         4 . The exercise disk according to  claim 1  wherein the contour of the center portion of the disk is contrary to the contour of the exterior portion of the disk.  
     
     
         5 . The animal exercise disk according to  claim 1  wherein the means for attachment is a pin centrally located on the lower surface of the disk.  
     
     
         6 . The exercise disk according to  claim 1  wherein the contours are selected from contours produced by strait, arched, elliptical, parabolic, radiused or spline lines.  
     
     
         7 . The exercise disk according to  claim 1  wherein the disk is made from a material selected from the group consisting of wood, plastics, or metals.  
     
     
         8 . The exercise wheel according to  claim 1  wherein the surface of the disk is textured.