| 摘要 |
A mast for a building scaffold or hoist which has a polygonal cross-section and a constant transverse area over its entire length is constructed in such a way that there is at least one plate between the edges of the mast over its entire length, the mast consists of at least one plate or at least two plates of equal or unequal size and there are cross-sectional reinforcements (4, 14, 8, 18, 24, 27, 30, 31, 34, 36, 43) in the region of the cross-section of the mast to ensure stability, at least one cross-sectional reinforcement (4, 14, 34) to form an abutment section and at least one cross-sectional reinforcement (11, 21, 25, 36, 43) for fitting a drive section (12, 22, 26, 29, 40, 42, 47, 49). |
