Window covering
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
May 31, 2011
Grant Date -
Dec 10, 2009
app pub date -
Jun 6, 2008
filing date -
Jun 6, 2008
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A window covering is disclosed that includes a first rail, window covering material adjacent the first rail, at least one lift cord extending through the window covering material to the headrail, a plurality of pulleys positioned adjacent the first rail, at least one spring motor adjacent the first rail, at least one spring motor cord extending from the one or more spring motors and a rigid connector attached to one or more spring motor cords and one or more lift cords. The connector and one or more spring motor cords are configured to pass along at least one of the pulleys during movement along a cord path defined by one or more of the pulleys. The connector should have a length that is not greater than ⅙ of the circumference of at least one of the pulleys the connector passes over during extension of the window covering material.
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