... linking shafts,couplins,guides,gear reducer etc. Screw Jack Lifting System configurations screw jacks, bevel gearboxes, flex linking ... to fourteen jacks system 3. Electric driven, manual operated are available 4. Extremely high capacity requirements of need ... furnace lid lifters, Well type furnaces, Conveyor lifts, Air dampers, Injection molding machines-head adjustments, Tension testing machines ...