Patent ID: 7111659

Claim:
A covering for an architectural opening comprising in combination: a headrail having a roller rotatably mounted therein, a flexible panel including a support structure with upper and lower edges having its upper edge secured to said roller and at least one horizontally extending vane having upper and lower edges, one of said upper and lower edges of said vane being secured to said support structure and the other being free to move vertically, at least one flexible operative element secured to said roller at one location and to said other edge of said at least one vane at another location so that said other edge can be raised and lowered by said operative element, a dummy vane having upper and lower edges with the upper edge secured to said support structure, and a bottom rail secured to said lower edge of said support structure and to said lower edge of said dummy vane, wherein rotation of said roller effects vertical movement of said support structure and said at least one operative element.