Roll blind
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Feb 2, 2016
Grant Date -
Mar 17, 2011
app pub date -
Nov 17, 2008
filing date -
May 7, 2008
priority date (Note) -
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status (Latency Note)
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Abstract
A roll blind is provided which can guarantee a simple operation. The roll blind includes: a supporting frame disposed in a window frame; first and second winding bars rotatably disposed in the supporting frame; a winding driver rotationally driving one of the first and second winding bars; first and second screens coupled to the first and second winding bars, respectively; a weight bar to which the tower ends of the first and second screens are fixed; and a clutch unit binding and unbinding the first and second winding bars with respect to each other.
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