Venetian blind

Claim 1

A Venetian blind, comprising: a head rail; a tilting device mounted pivotally in said head rail; two or more tilt cords, each of which has one end that is fastened to said tilting device and another end that is suspended, and each of said tilt cords comprising two slings parallel to each other and having therebetween a plurality of equidistantly spaced connection lines; a bottom rail fastened to a bottom end of each of said tilt cords and parallel to said head rail; a plurality of slats, each of which is arranged between said two slings of said tilt cords and braced by said connection lines, said each of said slats having two or more through holes, said through holes of adjacent slats being being aligned when said adjacent slats are arranged between said two slings, said slats being adjustably mounted in such a manner that said slats can be shifted from a horizontal position to an upright position by means of said tilting device capable of regulating an upward movement and a downward movement of said slings; a plurality of draw cords corresponding in number to said through holes of said each of said slats, with each of said draw cords having one end that is fastened to said bottom rail and having another end that emerges from said head rail from said through holes of said adjacent slats; and a cord pulley retainer mounted in one side of said head rail for retaining and locating said draw cords; wherein said through holes of said each of said slats are located on the same side of a center line of said each of said slats; and wherein a distance between said connection lines is smaller than a distance between said through holes and a farthest edge of said slats relative to said through holes, wherein said through holes of a slat are obscured by a lower edge of another slat located over said slat when said slats are in an upright position.