Roman Blinds. Saturday , May 19th , 2018 - 22:52:11 PM
In Britain, awnings and window shutters are often categorized under blinds, which are so named because they limit observation and thus “blind” the observer to the view. The main types are slat blinds which can be opened in two ways, and solid blinds, which can only be raised or lowered, and are sometimes called shades.
Many window blinds are made with slats of fabric, metal, plastic, or wood that are adjusted by being rotated from an open position (in which the slats do not overlap) to a closed position (in which they do). Metal window blinds are often used outside of a home or business to protect against theft, temperature, onlookers, glare, bad weather, or fire (in fire-prone areas); often, these blinds are machine-operated, rather than hand-operated.
Horizontal blinds use a thin woven corded "ladder" system to suspend the slats and enable them to be closed or opened via a rotating drum to which each upper end of the woven ladder is wrapped and attached. A lift cord allows the blind to be pulled up and stack tightly to top of the window when desired.One of the earliest patents for a window shade was filed in 1888, by George L. Castner.
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