Patent ID: 7010888

Claim:
A snap-together frame assembly having two confronting molded sub-assemblies, each sub-assembly being identical to the other and comprising: a wall defining a perimeter around an opening, the wall having an inner surface facing the opening and an outer surface, a first edge joining the inner and outer surfaces of the wall, the first edge being adapted to confront a panel, a flange projecting outward from the outer surface of the wall, the flange having a first surface joining a second edge of the wall inner surface and a second surface joining the wall outer surface, and a plurality of joining elements fixed to and projecting normally from the second surface of the flange, each of the joining elements including an alignment element for aligning the joining elements of said two confronting sub-assemblies, and each of the joining elements including a locking surface comprising a row of serrated teeth on each side of the alignment element adapted to engage a similar locking surface on an aligned joining element of the confronting sub-assembly.