| 摘要 |
A blind having plural rudder cords each of which is formed of a pair of vertical strings and plural lateral strings joining the vertical strings together, and each of which is brought down from a head box in the vertical direction, and plural pieces of slats extending horizontally on the lateral strings of the rudder cords, retained in parallel with one another and adapted to be turned by the operations of the rudder cords, whereby the blind is opened and closed, comprising openings provided in the portions of each of the slats which are in the vicinity of the rudder cords, and drawing strings which are capable of being pulled up, and which are brought down from the head box along the rudder cords, inserted through the openings of the slats and made connectable at lower end portions thereof to the portions of either one of the respective pairs of vertical strings of the rudder cords which are in positions of an arbitrary height.
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