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

Claim 33:
34. A window covering to adjust the amount of light that passes there through, the window covering comprising a flexible, multilayered panel, the multilayered panel comprising:
a first vertical support sheer having a height and width, the first vertical support sheer formed of a plurality of crossing polymer-based yarns to provide a structure having a plurality of openings to permit light to pass therethrough; and
a plurality of generally horizontal vanes spaced along the height of the first vertical support sheer and extending along the width of the first vertical support sheer; each of the plurality of generally horizontal vanes operably coupled to the first vertical support sheer to move between a first position that permits light to pass through the panel and a second position that does not permit light to pass through the panel,, wherein the first vertical support sheer:
has an openness factor in a range of about seventy percent (70%) to about ninety percent (90%); and
the yarns of the first vertical support sheer have a denier, and the denier of at least one of the yarns forming the first vertical support sheer is in a range from about 16 to about 24.