Patent 8944423 was granted and assigned to PaR Systems on February, 2015 by the United States Patent and Trademark Office.
A system and method for supporting a workpiece includes a plurality of support assemblies with movable heads. Positional errors are ascertained for the heads based on different positions thereof and used to properly position the heads to support the workpiece. Other inventive aspects are directed to features of the support assemblies and heads thereof.