Patent ID: 7017518

Claim:
An assembly, comprising: a bowl having a base and an open bowl top of a first diameter; a guard having an open bottom; an open guard top having a second diameter larger than said first diameter of said open bowl top; at least one cylindrical section proximate said open bottom, and; an expanding section, disposed between said open guard top and said at least one cylindrical section, that extends both radially and upwardly from said at least one cylindrical section; and wherein said at least one cylindrical section is received within said open bowl top and engage said bowl with a friction fit, therein supporting said expanding section of said guard and said open guard top outside of said bowl and above said open bowl top of said bowl; said guard contains a plurality of cylindrical sections of different diameters positioned one atop another to form a stepped structure that leads to said open bottom of said guard, and said expanding section extends both radially and upwardly from the stepped structure.