Patent ID: 7380886

Claim:
A pivoting column comprising: a base; a inner shaft; said inner shaft having at least one generally triangular recess; a retaining bezel circumferentially around the inner shaft; said retaining bezel having at least one cutout, said cutouts having a width less than the width of the triangular recess; at least one substantially circular dowel pin resting in a cutout and a recess simultaneously; a hollow ring circumferentially around the retaining bezel and being a distance X from said retaining bezel said hollow ring being rotatably mounted to the inner shaft and holding the retaining bezel and dowel pin(s) in their relative spatial relationships around the inner shaft; said recess, cutout and dowel pin forming a stop cell; said stop cell having two functional positions, a stop position and a moving position; said stop cell functioning in the stop position to allow said hollow ring to rotate freely in a free rotation direction and to prevent rotation in the opposite, locking direction and in the moving position to allow free rotation in either direction; and a biasing mechanism wherein the stop cells are biased to one position.