| 摘要 |
A control apparatus for a window covering having a head rail from which the window covering is suspended, having a rotatable control shaft along the length of the head rail, attachment drum bodies on the shaft at spaced intervals for attachment of the suspension cords, openings in the drum bodies for receiving the cords, a slot formed along the drum bodies by which they may be positioned on the control shaft, and a window covering incorporating such a control apparatus.
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