Venetian blind with upper and lower slat units that can be...

Details Venetian blind with upper and lower slat units that can be... Venetian blind with upper and lower slat units that can be...

E - Fixed Constructions

06

B

E06B 9/303 (2006.01) E06B 9/32 (2006.01)

Patent

CA 2357612

A Venetian blind includes upper and lower slats units whose tilting angles are independently and respectively controlled by first and second angle adjusting mechanisms. The first angle adjusting mechanism includes a first shaft journalled in a headrail, two pairs of first ladder cords secured to the first shaft and abutting against longitudinal sides of each of the upper slats, and a plurality of slat-supporting cords disposed respectively under the upper slats and extending between the first ladder cords. The second angle adjusting mechanism includes a second shaft journalled in the headrail, two pairs of second ladder cords secured to the second shaft and abutting against longitudinal sides of each of the lower slats, and a plurality of slat-supporting cords disposed respectively under the lower slats and extending between the second ladder cords.

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