| 摘要 |
A window blind for controlling the amount of light admitted through a window, door, skylight, or the like. The blind is secured at the top and bottom of the window, making it suitable for use with all types of windows in buildings or vehicles, regardless of the relative orientation of the window with respect to the base of the structure or vehicle. The blinds have a plurality of horizontal slats, sequentially arranged in vertical alignment, and gear driven elements for supporting and adjusting the position of the slats.
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