Window covering
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United States of America Patent
Stats
-
Mar 13, 2012
Grant Date -
Aug 18, 2011
app pub date -
Feb 12, 2010
filing date -
Feb 12, 2010
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A window covering includes a first rail, window covering material, lift cords that extend from adjacent the first rail to the window covering material, and at least one pulley and at least one pulley release device. At least one pulley is positioned so that at least one lift cord passes along that pulley. Each pulley release device is attached to at least one respective pulley to releasably connect the one or more pulleys to the first rail. Each pulley release device is configured to permit the one or more pulleys to which it is attached to release from the first rail when a release force acts on a component of the pulley release device. Preferably, the one or more pulleys are positioned on the outside of the first rail adjacent to the window covering material. The one or more pulleys may also be positioned adjacent to a valance.
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