Synthetic Green Cup Plug

Abstract

An article of manufacture for providing a synthetic golf green replacement cup according to the present invention in which the golf green replacement plug fills a cup when it is not in use. the cup has a side wall, an inner diameter, and a flagstaff receptacle. The replacement plug includes a plug insert, a cup insert having a top and bottom end, and a top layer material for providing a flush layer across the replacement plug with surrounding surface about the cup. The plug insert has a top surface having a plurality of drain holes, an outer plug surface having an outer diameter matching the inner diameter of the cup, a hollow inner cavity from a bottom edge to the top surfacem and a set of connecting threads about the bottom edge of the plug insert for a adjusting a height of the top surface from a bottom edge of the cup. The cup insert has a sloping bottom surface, a flagstaff receptacle contour extending from the bottom of the cup insert, the flagstaff receptacle contour having an outer diameter matching an inner diameter of the flagstaff receptacle, and a set of mating threads about the top end of the cup insert, the set of mating threads engage the set of connecting threads of the plug insert to adjust a position of the top surface of the plug insert when installed in the cup.

What is claimed is: 
     
         1 . An article of manufacture for providing a synthetic golf green replacement plug, the golf green replacement plug filling a cup when it is not in use, the cup having a side wall, an inner diameter, and a flagstaff receptacle, the replacement plug comprises:
 a plug insert, the plug insert comprising:
 a top surface having a plurality of drain holes; 
 an outer plug surface having an outer diameter matching the inner diameter of the cup; 
 a hollow inner cavity from a bottom edge to the top surface; and 
 a set of connecting threads about the bottom edge of the plug insert for a adjusting a height of the top surface from a bottom edge of the cup; 
   a cup insert having a top and bottom end, the cup insert comprising:
 a sloping bottom surface; 
 a flagstaff receptacle contour extending from the bottom of the cup insert, the flagstaff receptacle contour having an outer diameter matching an inner diameter of the flagstaff receptacle; and 
 a set of mating threads about the top end of the cup insert, the set of mating threads engage the set of connecting threads of the plug insert to adjust a position of the top surface of the plug insert when installed in the cup; and 
   a top layer material for providing a flush layer across the replacement plug with surrounding surface about the cup.   
     
     
         2 . The replacement plug according to  claim 1 , wherein the top layer material is coupled to the top surface of the plug insert using adhesives. 
     
     
         3 . The replacement plug according to  claim 2 , wherein the top layer material is made of a synthetic material to visually hide the use of the replacement plug when installed. 
     
     
         4 . The replacement plug according to  claim 1 , wherein the plug insert and the cup insert are made of a plastic material made by injection molding. 
     
     
         5 . The replacement plug according to  claim 1 , wherein the plug insert and the cup insert are made by a 3D printer. 
     
     
         6 . The replacement plug according to  claim 1 , wherein the set of connecting threads are female threads about the inner surface of the cavity of the plug insert. 
     
     
         7 . The replacement plug according to  claim 1 , wherein the set of mating threads are male threads about an outer surface the cup insert. 
     
     
         8 . The replacement plug according to  claim 7 , wherein the plurality of drain holes provide a path from the top surface into the hollow inner cavity. 
     
     
         9 . The replacement plug according to  claim 8 , wherein a drain path through the cup plug into the flagstaff receptacle permits water within the hollow inner cavity to drain out of the cup. 
     
     
         10 . The replacement plug according to  claim 1 , wherein the replacement plug adjusts to a height between 4 and 6 inches by rotating the plug insert about the cup insert as the set of connecting threads engage the set of mating threads.