The StorageTech™ Folding Stairway has been developed to assure safe access from loading racks or main tankers. At the time of operation it must be assured that the folding stairway can be handled easy and safely. These requirements make it necessary that the stair is balanced during its complete up and down movement. The used balance system together with the maintenance free bearings of easy action assure easy operation and simple handling. The main parts and their functions are, spring cylinder, frame, steps, locking device, hand rail, stringboard and contact bracket.