Lifting device; has wall elements made of slats and that roll up and down, where slats of adjacent walls couple together, and polygonal lifting plate with one side for each wall element

摘要

The device (1) has wall elements (11-14) that roll up and down. Each wall element has an end edge (111,121) fixed to a lifting plate (2) with one side for each wall element. The wall elements have slats (3) connected together. The side edges (112,113) of one wall element are coupled with the side edges (122,132) of its adjacent wall elements when it is rolled out to form a polygonal tower and are uncoupled when it is rolled up.