A system of articulation of beds, applicable in clinical beds (Machine-translation by Google Translate, not legally binding)

摘要

IMPROVEMENTS INTRODUCED IN THE OBJECT OF THE MAIN PATENT NO. 268,298 granted by "A SYSTEM OF ARTICULATION OF BEDS, APPLICABLE IN CLINICAL BEDS", essentially characterized by comprising the arrangement of a fixed lower frame and another upper coupled in articulated form whose trunk area is raised and lowered by the application of four articulated arms in parallelogram which are located in the central part of transversal bars fixed in the referred frames, existing in the transverse half part of the parallelogram, a telescopic tube that houses a system of spindle or similar that cooperates with teeth of mesh provided in the coincident ends of the arms, the spindle rod being actuated in its extension or contraction by a crank that attaches to fins formed in the terminals of the telescopic tube. (Machine-translation by Google Translate, not legally binding)