Annular hanger device

Abstract

An annular hanger device has a pair of base rings and a pair of cover rings engaging with the base rings. Each of the base rings has three positioning posts. Each of the positioning posts has an annular outer flange. Each of the cover rings has three positioning holes. Each of the positioning holes has an inner flange. A card has a pair of through holes. The card is disposed between the base rings and the cover rings. Each of the positioning posts is inserted in the corresponding positioning hole.

I claim:  
     
         1 . An annular hanger device comprises: 
 at least a base ring and at least a cover ring engaging with the base ring,    the base ring having at least a positioning post,    the cover ring having at least a positioning hole, and    the positioning post inserted in the positioning hole of the cover ring.    
     
     
         2 . The annular hanger device as claimed in  claim 1 , wherein three positioning posts are disposed on three corners of the base ring.  
     
     
         3 . An annular hanger device comprises: 
 at least a base ring and at least a cover ring engaging with the base ring,    the base ring having a channel,    the cover ring having a protruded block, and    the protruded block inserted in the corresponding channel of the base ring.    
     
     
         4 . The annular hanger device as claimed in  claim 3 , wherein the channel is defined by two bevel periphery flanges and the protruded block has two bevel edges.