Patent ID: 8469078
Filing Date: 2013-06-25
Classification: E06B,Y10T

Abstract:
1. A retractable covering movable between extended and retracted positions comprising in combination: an elongated horizontal headrail defining front and rear horizontally aligned tracks and an upper track between and elevated from said front and rear tracks, a horizontally collapsible panel suspended from said headrail by a plurality of carriers adapted for movement along the length of said headrail when moving the covering between extended and retracted positions, a fixed vertical rail along one vertical edge of the panel and a movable vertical rail along an opposite vertical edge of the panel, and a trolley connecting the top of the movable rail to the headrail for translating movement along the headrail, said trolley including a pair of horizontally separated rollers at one end and a single roller between and elevated relative to said pair of rollers and rotational about a horizontal axis, said pair of rollers being positioned in and guided along said front and rear tracks and said single roller being positioned in and guided along said upper track during movement of said panel between extended and retracted positions.