Window coverings
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United States of America Patent
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May 18, 2010
Issued Date -
N/A
app pub date -
Jun 22, 2007
filing date -
Jun 22, 2007
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A window coverings includes an upper and a lower elongated members, a slat assembly, a first lift cord, a second lift cord and a lift cord retracting and releasing control means. The lift cord retracting and releasing control means is located at the upper elongated member and cooperative with the first and second lift cords to control movement of the slat assembly. The first lift cord has one end fastened to the lift cord retracting and releasing control means and other end threading through the upper elongated member. The second lift cord has one end fastened and wound around the lift cord retracting and releasing control means and threading through the upper elongated member. Through coupling relationship between the first and second lift cords and the lift cord retracting and releasing control means the slat assembly already rolled up or extended at a selected elevation can be altered to another elevation.
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Cited Art Landscape
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