Patent ID: 6318439
Filing Date: 2001-11-20
Classification: E06B

Abstract:
A blind having a plurality of rudder cords with each being formed of a pair of vertical strings and a plurality of lateral strings joining the vertical strings together and each of the vertical strings extending downwardly from a head box in a vertical direction, and a plurality of slats extending horizontally on the lateral strings of the rudder cords, retained in parallel with one another and adapted to be turned by operating the rudder cords to open and close the blind, the blind comprising:openings formed in portions of each slat in a vicinity of the rudder cords forming a series of vertically-aligned openings in the plurality of slats; anda plurality of drawing strings capable of being pulled and extending downwardly from the head box along the rudder cords, one drawing string inserted into and extending through the series of the openings in each one of the slats and at least one other drawing string inserted into and extending through only selected sequential ones of the series of the openings in less than all of the slats and connected at a lower end portion thereof to a portion of either one of the respective pairs of vertical strings of the rudder cords in positions of a selected height above a lowermost slat.