Patent ID: 8776459
Filing Date: 2014-07-15
Classification: E06B

Abstract:
1. A window frame system comprising: a window frame having a plurality of holes on an inner surface; a cavity frame that is frictionally received within the window frame; and at least one screw inserted in the hole to adjust the position of the cavity frame in relation to the window frame to fit an opening in a wall; wherein the window frame has two flanges with flat surfaces that extend outwardly to form a channel; wherein the cavity frame has two sidewalls with flat surfaces that extend outwardly perpendicular to an outer wall; a U-shaped stiffener positioned within the channel of the window frame; wherein the flanges of the window frame are positioned in overlapping condition with the sidewalls of the cavity frame such that when the at least one screw is adjusted the screw pushes the cavity frame away from the window frame so that the cavity frame engages the edge of the wall opening.