Patent ID: 9057219
Filing Date: 2015-06-16
Classification: E06B

Abstract:
1. A window covering comprising: a panel having a lateral side edge, the panel being movable between a raised position and a lowered position; a side track secured to the panel such that as the panel is moved between the raised position and the lowered position the side track is extended along the lateral side edge, the side track made of a material that has memory shape such that the side track changes from a first geometry to a second geometry as the side track is extended; wherein a first end of the side track is connected adjacent a bottom edge of the panel or a top edge of the panel and a second end of the side track is connected to a take-up mechanism positioned adjacent the other one of the bottom edge of the panel or the top edge of the panel, wherein the side track is not connected to the panel between the first end and the second end.