An apparatus for moving a workstation to perform work on a moving workpiece including moving the workstation through a first length of a circular path generally parallel to the path of the workpiece, clamping the workpiece to the moving workstation, and performing work on the workpiece. A portion of...http://www.google.com/patents/US5373764?utm_source=gb-gplus-sharePatent US5373764 - Conveyor for workstations
