Patent ID: 9739088
Date: 2017-08-22
CPC Classifications: A47G,E06B

Claim:
1. A window or door opening screen assembly, the assembly comprising: (a) a flexible screen material having opposed side edges and an upper and lower edge, and a multiplicity of longitudinal zones extending between the side edges, (b) a first at least substantially rigid edge member to which one of the opposed side edges of the screen material is attached, (c) a second at least substantially rigid edge member to which the other of the opposed side edges of the screen material is attached, (d) the screen material able to be wound onto and off the second edge member, (e) a tensioner to tension the screen material, and, (f) a tension equalizer to provide substantially equivalent tension to the longitudinal zones, wherein the tension equalizer is formed by making at least one of the opposed side edges of the screen material concave and attaching at least one of the rigid edge members along the concave length of the at least one of the opposed side edges.