Nursing bed with improved lifting mechanism

Details Nursing bed with improved lifting mechanism Nursing bed with improved lifting mechanism

A - Human Necessities

61

G

A61G 7/012 (2006.01) A47C 19/00 (2006.01)

Patent

CA 2561423

The invention concerns a treatment bed adjustable in height having a stand (8), whereof the upper frame (39) and the lower frame (41) are mutually connected through four pairs of hinged levers (42, 43). Said pairs of hinged levers (42, 43) are mutually connected, on either side of the bed, through horizontal (48) and oblique (50) linking spacers. The horizontal linking spacers (48) connect the hinged levers at the articulation while the oblique linking spacers (50) connect a lower lever arm (45) to an upper lever arm (44). The motor (51) for lifting and lowering the upper frame (39) relative to the lower frame (41), extends directly between the two frames, such that the hinged levers with their linking spacers act like a parallel guiding, exclusively activated by hinged articulations, not requiring slides.

L'invention concerne un lit de soins réglable en hauteur présentant un socle (8), dont le cadre supérieur (39) et le cadre inférieur (41) sont reliés l'un à l'autre par quatre paires de leviers articulés (42, 43). Ces paires de leviers articulés (42, 43) sont reliées les unes aux autres, de chaque côté du lit, par des entretoises de liaison horizontales (48) et obliques (50). Les entretoises de liaison horizontales (48) relient les leviers articulés au niveau de l'articulation, tandis que les entretoises de liaison obliques (50) relient un bras de levier inférieur (45) à un bras de levier supérieur (44). Le moteur (51), servant à soulever et abaisser le cadre supérieur (39) par rapport au cadre inférieur (41), s'étend directement entre les deux cadres, de sorte que les leviers articulés avec leurs entretoises de liaison agissent comme un guidage parallèle, simulé exclusivement au moyen d'articulations à charnière, permettant de se passer de coulisses.

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