Patent ID: 6920976

Claim:
A security frame comprising: a top frame member having a front wall, a back wall, a left wall, and a right wall, the back side having hinge members attached to the back wall, the front wall, right wall, back wall, and left wall each having a flange, the flanges being on the top of the walls to form a partial top surface for the top frame member, the walls having a mating bottom edge on the end of the walls opposite the flanges, a bottom frame member having a front wall, a back wall, a left wall and a right wall, the back side having hinge members attached thereto, the front wall, right wall, back wall and left wall each having a flange, the flanges being on the bottom of the wall to form a partial bottom surface for the bottom frame member, the walls having a mating bottom edge on the opposite end of the wall from the flanges, such that the hinge members of the top and bottom frame members are joined so that the top frame member and the bottom frame member pivot relative to each other, and close such that the top mating edges are adjacent the bottom mating edges, the top member front wall flange having a pair of tines parallel to the front wall, and extending toward the mating bottom edge, each tine having a shelf extending from the tine facing the other tine, the tines extending approximately to the top of the front wall edge, the bottom member front wall flange having a Y shaped tine with two branches, each tine having a shelf facing outward away from the other tine, the tines extending between the tines of the top member and beyond the bottom mating edge of the bottom wall, such that the tines on the top member and the bottom member have overlapping shelves which engage and lock the top member to the bottom member when the mating edges of the top and bottom walls are proximate each other.