Treatment bed with balancing circuit

Details Treatment bed with balancing circuit Treatment bed with balancing circuit

A - Human Necessities

61

G

A61G 7/012 (2006.01) A61G 7/018 (2006.01)

Patent

CA 2595828

The invention relates to a treatment bed, comprising an arrangement of two mechanically-parallel lifting motors in the height-adjusting lift mechanism. According to the invention, tension in the lifting mechanism may be avoided and both motors equally loaded by provision of a symmetrical circuit, which measures the supply currents of the lifting motors. When a difference is generated, the related current is temporarily interrupted several times in the sense that brings the related operation parameters of the currents together.

L'invention concerne un lit de soins comportant un élément de levage réglable en hauteur, contenant deux moteurs de levage montés en parallèle mécaniquement. Pour garantir une sollicitation uniforme des moteurs de levage et éviter toute déformation de l'élément de levage, on prévoit un circuit d'équilibrage mesurant les courants d'alimentation des moteurs de levage. En cas de détection d'une différence, le courant correspondant est coupé brièvement à plusieurs reprises, de telle manière que les grandeurs en valeur des deux courants se rapprochent sous l'effet des coupures de courant.

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