| 摘要 |
A telescopic shaft (10) for a robot (1) according to the delta concept, comprising a base section (2), a movable plate (3), an arm system (4). The telescopic shaft (10) has an outer tube arm (13) and a coaxial inner arm (14), wherein said outer arm has a polygonal cross section; the inner arm has a head portion (20) providing a sliding and torsionally rigid coupling with the outer arm, and one end of the outer arm is sealed with a removable cap (18), said cap also providing a sliding guide for the inner arm. |
