A raising mechanism for a venetian blind

Details A raising mechanism for a venetian blind A raising mechanism for a venetian blind

E - Fixed Constructions

06

B

E06B 9/30 (2006.01) E06B 9/32 (2006.01)

Patent

CA 2434946

There is disclosed a venetian blind (50) having a top bar (21), a bottom bar (20) and horizontal slats (35) disposed between the top and bottom bars (21; 20). There is also a raising mechanism (30, 31) for adjusting the height of a bottom bar (20) of the venetian blind (50). The raising mechanism (30, 31) comprises a first member (11,13) attached to the top bar (21) and a second member (10, 12) attached to the bottom bar (20). There is also a cord (1,2), which is attached at one end of the venetian blind (50) and is fed past the first and second members (11, 13; 10, 12). In such an arrangement the displacement of the free end of the cord (25) is greater than the displacement of the bottom bar (20), to adjust the height of the bottom bar (20) with a mechanical advantage.

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