Importance

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Abstract

An adjustable support allows a computer terminal or display device to be conveniently positioned above a desk. The support includes a platform for holding the terminal and a pivotally connected linkage assembly comprising proximal and distal arms for vertically and horizontally positioning the platform, the distal arm having the platform mounted thereon. The proximal arm comprises a set of members forming an articulated parallelogram structure, the proximal end of which is rotatable about a vertical post clamped to the desk. The vertical position of the terminal may be adjusted by changing the shape of the articulated parallelogram structure through operation of a lever coupling members of the articulated parallelogram. As the shape of the parallelogram structure changes, the elevation of the distal end of the proximal arm changes which in turn affects the vertical position of the platform and display device.

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First Claim