Importance

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Abstract

A Venetian blind consisting of a plurality of slats, a movable head, two string ladders one each attached proximate the first and second ends of the movable head and a stationary bottom unit, two fully extended vertical alignment strings one each attached proximate the first and second ends of the stationary bottom unit and extending vertically through holes in the plurality of slats and the movable head up to the receiving cavity of a stationary upper member and attached thereto, a draw string connected to the movable head and extending through a draw string holding mechanism mounted in the stationary upper member for varying the collapsed height of the plurality of slats and a tilt adjusting mechanism contained in the movable head for varying the tilt of the uncollapsed height of slats is described. The Venetian blind will provide privacy against line-of-sight viewing by persons external to the dwelling while at the same time allowing full passage of ambient light and thermal radiation through the upper portions of the window. The blind, which is designed to be upwardly extended from a collapsed height in the lower portion of a window framework, is designed to permit full entry of thermal radiation and ambient light through all daylight hours of the day.

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First Claim