| 摘要 |
PROBLEM TO BE SOLVED: To provide a robot capable of stabilizing the operations of a guide shaft arranged in parallel to a ball screw shaft of a ball screw mechanism for a vertical shaft disposed at the leading end.SOLUTION: In a robot having a ball screw mechanism for a vertical shaft at a leading end thereof and a guide shaft disposed in parallel with a ball screw shaft of said ball screw mechanism, said guide shaft is supported by not only a slide bush but also a slide bearing so that an operation of said guide shaft may be stabilized.SELECTED DRAWING: Figure 3 |
