| 摘要 |
A system for adjusting the length of lift cords used for raising and lowering a bottom rail of a window covering with respect to a head rail includes a receiving element for each lift cord located in the bottom rail and moveable along the length of the bottom rail. A locking element for each receiving element is arranged for being selectively inserted into the receiving element along the bottom rail. The lift cord is attached to one of the receiving element or the locking element. In its most preferred form, the window covering is a fabric window covering, such as a cellular window covering, the receiving element includes a channel which contains at least one cell of the fabric, and the locking element includes a wedge-shaped plate to be inserted into the channel.
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