Patent ID: 8484902

Claim:
A window assembly capable of opening and closing, said window assembly comprising: an inner window frame having a front wall having an extended rim portion, a lateral wall and a second rim portion, spaced apart from and parallel to the extended rim portion, the inner window frame being set within a building opening; an outer window frame having a front wall having an extended rim portion, a lateral wall and a second rim portion, spaced apart from and parallel to the extended rim portion; a glazing including at least one pane of glass mounted in the outer window frame; a glazing bead positioned against the glazing for holding the glazing in place against the outer window frame; a glazing bead retainer fixed to the lateral wall of the outer window frame for retaining the glazing bead in place on the outer window frame; a first thermal break liner having a laterally extending portion with an edge on one end, a foot portion at a second end, a top surface and a bottom surface with a thickness therebetween, said bottom surface positioned on said lateral wall of the inner window frame, and said foot portion positioned adjacent to the extended rim portion of the outer window frame when the window assembly is in a closed position; and a second thermal break liner having a laterally extending portion with an edge on one end, a foot portion at a second end, a top surface and a bottom surface with a thickness therebetween, said bottom surface positioned on said front wall of the inner window frame, said first and second thermal break liners are formed of a material having a low thermal transmittance factor and are positioned to prevent direct contact and thermal transfer between the glazing bead, the outer window frame, and the inner window frame.