Underwater light assembly with annularly flared re-entrant wall and sealing means

Claim 1

In an underwater pool or spa light assembly for retaining an annular lens gasket and light housing in position, the combination comprising (a) a face ring having a central axis and annular re-entrant wall defining an annular flared wall portion to seat the gasket assembly, the ring also having means thereon to retain said light housing which is engagable with the gasket to annularly compress same, axially, (b) and circularly spaced apart tabs on the ring, each tab having substantially constant circular width and projecting generally axially beyond the edge of said annularly flared portion to peripherally position the gasket, the said tabs blocking radially outward extrusion thereof when compressed by said housing, while allowing gasket bulging between the tabs, (c) and including said gasket with its periphery positioned radially adjacent said tabs, and the gasket axially compressed between said flared portion and an annular flange defined by said housing, to seal off therebetween, the tabs projecting toward said flange and spaced therefrom, said tabs being carried by said re-entrant wall annular flared portion having a rim, the tabs projecting generally axially from said rim.