Rack has column with guide way whereby holding element is adjustable in first rotary position and clampable in second rotary position in guide way while supporting element is horizontally aligned in second rotary position

摘要

The rack has a column (60) with guide way (61) provided along it. Holding element (50), with fastening knob (52), is adjustable in the first rotary position in the guide way and clampable in the second rotary position in the guide way. A supporting element (51) is provided for the rack plate (40), which is horizontally aligned in the second rotary position.