Patent Issued for Parallel Link Mechanism and Industrial Robot

摘要

The following quote was obtained by the news editors from the background information supplied by the inventors: "The present invention relates to a parallel link mechanism and an industrial robot.nn"General requirements for industrial robots include increased operation speed, improved operation accuracy, and, in certain operation sites, enhanced cleanliness. There are demands that the industrial robots be used under particular circumstance involving use of specific gases or chemicals. One known vertical movement shaft mechanism of a SCARA robot includes a ball screw provided in a vertical movement shaft. The mechanism has a contractible and extensible bellows as a protecting member for preventing release of dust and leakage of grease from the interior of an arm to the external environment.