Patent ID: 7665501

Claim:
A covering for an architectural opening, said covering comprising: a headrail having an interior, a first end and a second end, said headrail being mountable above an architectural opening; a first cord-guiding member and a second cord-guiding member; said first and second cord-guiding members being at said first and second ends of said headrail, respectively; both of said first and second cord-guiding members having a first hole and a second hole communicating with said interior of said headrail, said first and second holes being separated from one another in a horizontal direction, and further having a rotatable element between said first and second holes, said rotatable element being rotatable about a vertical axis; material suspended from said headrail for covering said architectural opening; a mechanism within said headrail for alternately covering and uncovering said architectural opening with said material; and a cord having first and second cord ends connected to each other at a single point on said mechanism for controlling said mechanism, said cord running from said first end at said mechanism within said headrail and outwardly through said first hole of said cord-guiding member at said first end of said headrail; then entering said headrail through said second hole of said cord-guiding member at said first end of said headrail and running lengthwise through said headrail and outwardly through said first hole of said cord-guiding member at said second end of said headrail; then reentering said headrail through said second hole of said cord-guiding member at said second end of said headrail and running to said second end at said mechanism, said cord forming a loop at one of said first and second ends of said headrail, whereby said cord may be manipulated to alternately cover and uncover said architectural opening with said material.