| 摘要 |
A window blind assembly includes a headrail having a longitudinal axis extending between first and second ends thereof, a first tube rotatably mounted between the first and second ends of the headrail and a second tube rotatably mounted between the first tube and the second end of the headrail. The assembly also has a bottom rail suspended below the headrail, an intermediate rail suspended below the headrail and positioned between the headrail and the bottom rail, and a window covering material extending between the intermediate rail and the headrail, the window covering material having an upper end attached to the intermediate rail and a lower end attached to the bottom rail. The assembly further includes a first lift cord having an upper end secured to the first tube and a lower end secured to the intermediate rail, and a second lift cord having an upper end secured to the second tube and a lower end secured to the bottom rail, whereby the intermediate rail and the bottom rail are movable independently of one another.
|
