ES201603U - Sofa-bed perfected. (Machine-translation by Google Translate, not legally binding) - Google Patents

Abstract

Improved sofa bed of the type claimed in utility model no. 145,842 which is composed of a rectangular frame or frame from which lower four support legs emerge, and which comprises a bed base composed of four portions articulated together, of which, the outermost section of the extended mattress, has two inverted L-shaped pieces whose main sections are the front legs of the bed and the smaller ones are linked to connecting rods that are associated with the next section of the bed base, which presents between the second and third sections each having teeth, in which the toothed heads of the two intermediate support legs of the bed, characterized essentially because the base and the frame or lower rectangular frame of the seat, are associated by means of a pair of sets of connecting rods., arranged on each side of the bed base and between the first two articulated sections thereof, each of the sets being constituted by the two connecting rods of the movement, which are articulated at their lower end to the frame or frame, and are joined in their movement, through a connecting rod transversally connected to both, while the upper ends of the cited steering rods, are articulated to paths associated rods and articulated, at least one of them, by its free end to the axis of rotation of the first section of the bed base and because the upper end of one of the steering rods, is at the same time joined with the possibility of rotation to a bieleta associated with the second section of the bed base, which link will act on the director rod, initiating the movement of the same in the folding or extension of the bed base. (Machine-translation by Google Translate, not legally binding)