... linking shafts, couplins, guides, gear reducer etc. Screw Lift Table configurations screw jacks, bevel gearboxes, flex linking shafts, couplins, ... drawings. Screw Lift Table features: 1. Heavy duty, positioning precision, uniform lift speed, fully synchronized, self locking 2. Multiple jack system ... very precise up or down control. Because the screw jack lift system is of high mechanical, they are an ...