Patent ID: 11891854
Assignee: HUNTER DOUGLAS INC.
Field: Other special machines (Mechanical engineering)
Classification: CPC B  E  D | IPC B  D  E

Claim 29:
30. The window covering of claim 21, further comprising a flexible second vertical support sheer having a plurality of openings to permit light to pass there through, the second vertical support sheer having a height and width, wherein the second vertical support sheer is formed of polymer-based yarns and the openings in the second vertical support sheer provide an openness factor in a range of about seventy percent (70%) to about ninety percent (90%); and each of the plurality of flexible vanes is operably connected to the second vertical support sheer and moveable between the first position that permits light to pass through the flexible panel and the second position that blocks light from passing through the flexible panel.