| 摘要 |
A venetian type blind has a length adjustable bottomrail to fit windows of different lengths. A cord stop device is attached to each lift cord and each cord stop device is shaped such that when the device is attached to a lift cord the cord stop device can be removably connected to a retainer in the bottomrail and when not connected to the retainer will orient itself to be self-guiding through route holes in selected slats when the lift cord is pulled through the selected slats. The blind is shortened by releasing each cord stop device from its retainer and passing the device and attached lift cord from the bottomrail through the slats to be removed to the slat at the desired length. The excess slats are removed. Then the ladders are detached from the bottomrail, shortened and reattached to the bottomrail. The cord stop devices are then reconnected to their respective retainers in the bottomrail to complete the shortening process.
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