Patent ID: 7213274

Claim:
An insert assembly for mounting in a shower or bath, said insert assembly comprising: a retaining ring, said retaining ring comprising an engaging structure and a retaining flange, said engaging structure and said retaining flange being integral with each other, said engaging structure having an internal surface defining a retaining ring opening which extends through said retaining ring, said internal surface having retaining ring threads formed thereon; a drain plug, said drain plug comprising a connecting structure and a holding flange, said connecting structure and said holding flange being integral with each other, said connecting structure having an inside surface and an outside surface, said inside surface defining a drain plug opening which extends through said drain plug, said outside surface having drain plug threads formed thereon, said drain plug threads on said outside surface of said connecting structure engaging said retaining ring threads on said internal surface of said engaging structure; and an insert selected from the group consisting of a shower insert and a bath insert, said insert having an insert opening, said connecting structure of said drain plug extending at least partially into said insert opening, a portion of said insert being sandwiched between said holding flange of said drain plug and said retaining flange of said retaining ring, wherein said insert assembly is positioned above a base, said base comprising a drain structure, said engaging structure of said retaining ring extending at least partially into said drain structure, said retaining ring being secured to said base by at least one attachment means, said at least one attachment means extending through a hole in said retaining flange and into said base.