초록

A window covering combining the features of a pleated shade and a mini-blind which in the open position resembles a mini-blind and in a closed position resembles a pleated shade. Apparatus to further diminish light transmission between adjacent slats of the window covering is also included.

대표청구항 ▼

In a venetian blind having a head channel housing a tilter, and at least two drums; a lift cord; a plurality of parallel spaced slats supported on cable ladders; and at least two cable ladder systems; the number of ladder systems corresponding to the number of drums, the improvement comprising each

In a venetian blind having a head channel housing a tilter, and at least two drums; a lift cord; a plurality of parallel spaced slats supported on cable ladders; and at least two cable ladder systems; the number of ladder systems corresponding to the number of drums, the improvement comprising each ladder system consisting of an A ladder B ladder, each of said ladders having a pair of spaced vertical side cables interconnected by horizontal rungs, each of which ladders supports alternate slats on its rungs, the rungs on each ladder are arranged in a correlative spacing to each other which is double the spacing of two adjacent slats, the cables of which ladders are designated as the front cables and the back cables, the A ladder\s back cable crossing under the drum and being attached to the front thereof, and the A ladder\s front cable crossing under the drum and being attached to the rear thereof; the B ladder\s front cable being attached to the front of the drum and its back cable being attached to the back of the drum.