CLUTCH FOR INSULATED GLASS WINDOW COVERING
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United States of America Patent
Stats
-
N/A
Issued Date -
Nov 20, 2008
app pub date -
May 14, 2007
filing date -
May 14, 2007
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
An insulated glass (IG) internal blind assembly including a clutch for providing directional friction when raising and lowering the blind. The clutch is directionally activated, the gravitational pull of the blinds or lowering the blinds activates the clutch causing it to lock and add friction to the system. The clutch may be placed essentially anywhere along the cord path where the path changes direction. Various clutch and cord configurations may be used to achieve a desired amount of directional friction. The directional friction prevents the window covering from falling under its own weight.
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