Hydraulic top controller for a hydraulic lifting device, equipped with hydraulic lifting device and triple combination

摘要

Hydraulic top controller (4) for a hydraulic lifting device, in particular for a three-point lifter for a work device (1), with:a working cylinder (4a), in which a piston (4b) is movable, so that a pressure chamber (5,6) is formed on both sides of the piston (4b);where a first pressure chamber (5) of the pressure chambers (5,6) is connected to an external hydraulic line (8) and a second pressure chamber (6) of the pressure chambers (5,6) is connected to a pressure chamber (7) for a compressible fluid or forms the pressure chamber (7).