Liftable workbench

Abstract

A lifting workbench comprising a worktop attached to a movable support structure; a stationary support structure supporting the worktop; a rear wall with a tool panel; a waste collection drawer; a lighting module mounted on the top of the rear wall; four vertical, rotating lead screws; two horizontal, coaxial drive shafts with bevel gears at their ends;chain transmissions and extendable running wheels, characterized in that it has a synchronized drive system in which two front transmission units (A) and two rear transmission units (B) are installed between two horizontal, coaxial drive shafts and four vertical lead screws (12), kinematically connected in pairs (A, B) by means of known chain transmissions (C), wherein the four vertical lead screws (12) together with the two-arm nuts (22) mounted on them constitute a multi-functional screw mechanism in which each of the two-arm nuts (22) has an outer arm (23) for lifting the movable support structure (2) of the table top (1) and has an inner arm (24) for extending the modules of the known running wheels (25) lifting the entire table structure to the transport position;