Furniture height adjusting device comprises water-fed hydraulic jack which moves slide attached to the item along tubular runner

摘要

Device has slide made up of smooth tubular runner (1) and concentric slide (2) sliding along it. Slide is spaced from runner by self-lubricating fittings (8). Runner is attached to support (9) and slide is attached to movable part of item of furniture (6). Hydraulic jack (3) is attached to runner at one end and to slide at other. Jack is connected to low pressure water supply by three-way tap allowing water to be removed via outlet pipe.