Suspension system for a cordless window covering
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 3, 2013
Grant Date -
Oct 27, 2011
app pub date -
Jun 23, 2011
filing date -
Nov 2, 2006
priority date (Note) -
In Force
status (Latency Note)
Importance
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.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully