Patent ID: 9144301
Filing Date: 2015-09-29
Classification: A47B,F16B

Abstract:
1. A lifting column comprising: a drive unit, and a guide, said guide comprising at least a first member and a second member, said first and second members being mutually telescopically arranged relative to each other, and a first set of sliders arranged on an internal side of the first member at an end thereof into which the second member extends and may be displaced out of, and second and third sets of sliders arranged on an outside of the second member at an end of the second member which extends into the first member, and wherein the second set of sliders define a first plane and provide a first prestressing between the first member and the second member, while the third set of sliders define a second plane which is different from the first plane, provide a second prestressing between the first member and the second member, the second prestressing being smaller than the first prestressing.