Toilet tank adapter

Abstract

A coupling for enabling interconnection between the pressurized toilet flush unit and the toilet tank outlet includes a first gasket for providing a seal between the mounting flange of the pressurized toilet flush unit and a toilet tank floor. An adapter provides for centering of a pressurized toilet flush unit spud in an opening and a toilet tank outlet and a gasket provides for sealing the adapter to an underside of the toilet tank floor. A spud nut is provided for centering the adapter within the toilet tank opening.

1 . A coupling for enabling interconnection between a pressurized toilet flush unit and a toilet tank outlet, said pressurized toilet flush unit comprising a depending threaded spud with a mounting flange thereabout, said coupling comprising: 
 a gasket for providing a seal between said mounting flange and a toilet tank floor;    an adapter for centering the spud in said toilet tank outlet; and    a spud nut for causing centering of the adapter.    
   
   
       2 . The coupling according to  claim 1  wherein said adapter includes a collet with an inside diameter sized for snuggly receiving the threaded spud and an outer diameter for snuggly fitting the tank outlet and a centered flange having a diameter greater than a diameter of the toilet tank outlet.  
   
   
       3 . The coupling according to  claim 2  further comprising a sponge gasket for sealing between the adapter and said a toilet bowl.  
   
   
       4 . A coupling for enabling interconnection between a pressurized toilet flush unit and a toilet tank outlet, said pressurized toilet flush unit comprising a depending threaded spud with a mounting flange thereabout, said coupling comprising: 
 a gasket for providing a seal between said mounting flange and a toilet tank floor;    an adapter for centering the spud in said toilet tank outlet said adapter having an expandable collet; and    a spud nut for compressing and centering the adapter against said toilet tank floor within the outlet.    
   
   
       5 . The coupling according to  claim 4  wherein said collet has an inside diameter sized for snuggly receiving the threaded spud and an outer diameter for snuggly fitting the tank outlet and a centered flange having a diameter greater than a diameter of the toilet tank outlet.  
   
   
       6 . The coupling according to  claim 5  further comprising a sponge gasket for sealing between the centered flange and a toilet bowl.