Patent 6893381 was granted and assigned to LG on May, 2005 by the United States Patent and Trademark Office.
A weight support assembly [1205] and weight-responsive engagement assembly [1203] for a self-spotting free weight apparatus utilizes engagement of a pawl assembly [1215] in one of a plurality of vertically-spaced holes [1217] of a column 1207 to support a cable assembly [1209]. The cable assembly attaches the bar of a free-weight assembly to the weight responsive engagement assembly by means of a cable attachment assembly [1211] and sheaves 1213A, 1213B.