Patent ID: 8794577

Claim:
A system for mounting a sink to the under-side of a countertop, said sink having a bowl and a laterally extending flange emanating from said bowl, comprising: a pair of rigid side mounting rails-adapted to engage a side wall of a cabinet on which said countertop is mounted; said side mounted rails being “L” shaped and having a plurality of openings spaced along the length of the side mounting rails, said openings being adapted to engage a plurality of fasteners and a plurality of threaded bolts; a rigid front mounting rail adapted to engage the front wall of a cabinet on which said countertop is mounted; said front mounted rail being “L” shaped and having a plurality of openings spaced along the length of the front mounting rail, said openings being adapted to engage a plurality of fasteners and a plurality of threaded bolts; wherein said openings in said side mounting rails and said front mounting rail being threaded and being operatively associated with said threaded bolts; said plurality of threaded bolts adapted to engage said plurality of openings in said side mounting rails and said front mounting rail and adapted to engage a plurality of mounting devices selected from the group comprising: mounting cups, mounting clips, or a combination thereof; and said plurality of mounting devices adapted to engage said threaded bolts and adapted to engage the underside of said flange of said sink to secure said sink to the under-side of said countertop; wherein said mounting cups are engaged from underneath by one of the threaded bolts and said mounting cups directly engage the underside of said flange of said sink to compress said flange between said mounting cups and the under-side of said countertop; and wherein said mounting clips include an attached mounting cup which is engaged from underneath by one of the threaded bolts and said mounting clips directly engage the underside of said flange of said sink to compress said flange between said mounting clips and the under-side of said countertop.