Sofa bed and its open-close mechanism

Details Sofa bed and its open-close mechanism Sofa bed and its open-close mechanism

A - Human Necessities

47

C

A47C 17/22 (2006.01)

Patent

CA 2521015

Divan bed comprising an almost parallelepiped frame structure, a plurality of movable frames, each constrained and movable according to roto-translative motions from a closing to an opening position, wherein said frames in the closing position are sequentially folded one over the other, and in the opening position, are consecutively aligned, and a mechanism able to move said frames characterized in that the mechanism comprises at least one lever, hinged in the node between the frame (2), a headrest, and the adjacent frame (3). In this way, undesired closure of the divan bed cannot occur.

Ce canapé-lit comprend un cadre de forme presque rectangulaire, une pluralité de cadres mobiles qui peuvent être assujettis et déplacés en translation et en rotation d'une position fermée à une position ouverte. Les cadres mobiles sont successivement pliés les uns sur les autres dans la position de fermeture et successivement alignés dans la position d'ouverture. Le mécanisme qui déplace ces cadres se caractérise en ce qu'il comprend au moins un levier articulé dans le noeud entre le cadre (2), l'appui-tête et le cadre adjacent (3) (voir figure 1). Le canapé-lit ne peut ainsi pas se fermer accidentellement.

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