Patent ID: 8312684
Filing Date: 2012-11-20
Classification: E06B,F41H

Abstract:
1. A blast resistant window blind system installed over a reinforced window pane supported by a window framework mounted in an opening in a wall of a structure, said window pane having an inside surface facing an inside of said structure and an outside surface facing an outside of said structure, comprising: a blind system comprising a plurality of parallel blind slats; a plurality of spaced pane engaging members disposed to extend across the inside surface of said window pane, said pane engaging members extending through aligned holes within the blind slats of the blind system; a plurality of anchor members embedded in said wall of said structure at first and second opposite ends of said opening in said wall; first and second mounting bodies disposed at the first and second opposite ends of said opening and secured to said anchor members to fix said mounting bodies in place at said first and second opposite ends of said opening, wherein said spaced pane engaging members extend between said mounting bodies to couple said pane engaging members to said structure during a blast event; and a plurality of energy dampening devices coupled to said pane engaging members, said energy dampening devices allowing said pane engaging members to extend a selected amount toward said inside of said structure upon impact of said window pane during, a blast event, wherein said blind system and pane engaging members cooperate to restrain said window pane from being blown into the inside of said structure and conform to the inside surface of said window pane during impact therewith to distribute the restraining force across the inside surface of said window pane, wherein said pane engaging members comprise a plurality of steel restraint cables.