Bed lifting device, characterized in that it is configured from a metallic structure comprising, a lower base (2) and an upper frame (3) linked together by means of pairs of articulated tubes in the form of scissors (4), so that its extension or folding causes the raising or lowering of the upper frame (3) with respect to the lower base (2), and with it that of the bed to which it is coupled, there being a cylinder for actuating said extension or folding ( 5) with screw mechanism coupled to an electric motor (6) that links together the two parallel bars (7) that form said lower base (2) and to which the articulated scissor tubes (4) are attached at the bottom. (Machine-translation by Google Translate, not legally binding)1. Dispositivo elevador de camas, caracterizado porque se configura a partir de una estructura metálica que comprende, una base inferior (2) y un cerco superior (3) vinculados entre sí mediante sendos pares de tubos articulados en forma de tijera (4), de manera que su extensión o plegado provoca la elevación o descenso del cerco superior (3) respecto de la base inferior (2), y con ello el de la cama a la que se acopla, existiendo para accionar dicha extensión o plegado un cilindro (5) con mecanismo de usillo acoplado a un motor eléctrico (6) que vincula entre sí las dos barras (7) paralelas que conforman dicha base inferior (2) y a las que se unen inferiormente los tubos articulados de tijera (4).
