Suspension system for a cordless window covering
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United States of America Patent
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Jul 12, 2011
Grant Date -
Jun 5, 2008
app pub date -
Nov 2, 2006
filing date -
Nov 2, 2006
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A suspension system for a window covering that eliminates the use of pull cords is provided. The suspension system includes a control module having a winding drum and a spring disposed about an axle. A friction member or reaction member is also provided to offset difference in the force exerted by the spring on a suspension cord versus the weight of the window covering member.
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