Patent ID: 8397469
Filing Date: 2013-03-19
Classification: E06B

Abstract:
1. An energy absorber for use in an opening of a wall of a building, the opening defined by a perimeter surface, the wall supporting a closure substantially filling the opening, the closure having respective edges which are substantially parallel to said perimeter surface of the opening, the energy absorber comprising: a plate comprising a first planar wall connecting portion having a first mounting aperture for mounting the wall connecting portion to the wall, and a second planar closure connecting portion having a second mounting aperture for mounting the closure connecting portion to the closure, the connecting portions being connected by at least one plastically deformable deforming surface, the mounting apertures being provided at a distance from each other along an axis, the deforming surface comprising at least one linear slot having spaced apart slot portions oriented transversely with respect to the axis, the slot having a length exceeding the distance, whereby the deforming surface is configured to absorb, by plastic deformation, a force applied to the closure.