Patent ID: 8944134
Filing Date: 2015-02-03
Classification: E06B,Y10T

Abstract:
1. A covering for use in an architectural opening, the covering comprising: a rotatable roller; a support sheet attached to the roller at a first attachment point and wrappable about the roller; a plurality of vanes extending across a face of the support sheet and attached to the support sheet, at least one vane movable between a closed position and an open position; and an operating element attached to the roller at a second attachment point and wrappable about the roller, the operating element operably associated with the at least one vane to effect movement of the at least one vane from the closed position to the open position, wherein during movement of the at least one vane from the closed position to the open position, the circumferential distance between the first attachment point of the support sheet and a disengagement point of the support sheet from the roller decreases, while the circumferential distance between the second attachment point of the operating element and a disengagement point of the operating element from the roller increases, wherein the at least one vane includes a first edge portion and a second edge portion, wherein the operating element is movable relative to the first edge portion, wherein the operating element is attached to the second edge portion, and wherein during movement of the at least one vane from the closed position to the open position, the second edge portion moves toward the first edge portion.