Patent ID: 6546681
Filing Date: 2003-04-15
Classification: E06B,Y10T

Abstract:
A transparent combination blade to replace a metal blade in an accordion shutter assembly for protecting glass window or door in a walled structure, comprising:a combination blade consisting of a web constructed from a flat sheet of shatter resistant and transparent plastic material and two hinges running parallel to the length, male and female, made of aluminum extrusions glued and mechanically held together with an urethane adhesive that forms a spline in the hinge serrations when hardened that can replace a metal blade in an accordion storm shutter assembly using the same hardware that held a metal blade in place holding a combination blade in place in an accordion storm shutter; and resist impact of flying debris in a storm and an impact of a wood two by four weighing nine pounds traveling at a speed of fifty feet per second without penetration.