A retractable cover for architectural openings having collapsible vanes includes a support structure in the form of a sheet of material, monofilaments, tapes, ribbons, cords, or the like, supporting an upper edge of a plurality of vertically spaced, horizontally extending vanes with the lower edges of...http://www.google.ca/patents/US7588068?utm_source=gb-gplus-sharePatent US7588068 - Retractable shade with collapsible vanes
