ES145356U - Automatic opening sofa bed perfected (Machine-translation by Google Translate, not legally binding) - Google Patents

Abstract

Sofa-bed with automatic opening perfected, which essentially is characterized by that it is constituted from a fixed horizontal frame, frame-shaped and secured by its back part of another frame for the backrest, which inferiorly includes entrances on the front part for that another movable frame overlaying the aforementioned fixed part is partially embedded in them, it being provided that said fixed horizontal frame has two L-shaped crossbeams, to which respective horizontal branches are anchored with inverted U-shaped profile pieces. which, internally disposed of bearings, among which are included the tubular crossbeams of the upper mobile frame, are constituted in guides for the transverse displacement of which said movable frame is susceptible, which is forced continuously towards its deployed position in function of its The rear spar is linked by a tension spring to the It is possible to keep it in its folded position thanks to the fact that it has a central crosspiece, equipped with a notch at its front end, in which a stop is introduced when both frames are superimposed, constituted by the head of a lever, operable from the outside and articulated to the fixed part, continuously required by a spring so that it tends to be introduced in said notch. (Machine-translation by Google Translate, not legally binding)