A product that caters nursing home and hospital beds with its compact lifting column that has an open spindle actuator, with a chain drive inside. To ensure a high degree of stability, it has a maximum speed of 18 mm/s and maximum thrust of 2000 N. The BL1 features exchangeable cables, low noise level, and a short installation dimension and long stroke length is possible. Its specifications fulfills the demands of the lifting functions in beds as to load, speed and stroke length. The 3-part guidance provides overlap between the individual profiles, which also ensures a high degree of stability.