FIELD: personal demand items.;SUBSTANCE: upholstered furniture transformation device "dolphin" includes interconnected a stationary frame part with the sleeping berth first part attached to it, and a retractable frame part with the sleeping berth second part attached to it, with the possibility of moving the retractable frame part towards the retracted position and back, wherein the stationary frame part is adapted to receive therein the retractable frame part the folded position and the retractable frame part is adapted to telescopically move along guides mounted on the sides of the stationary frame part, wherein two guides are mounted on each side of the stationary frame part, one above the other, with the gap, height along, and a displacement limiter for the retractable frame part mounted between the first and the second guides near the rear side of the side portion. Retractable frame part comprises a frame of the sleeping berth second part on which the sleeping berth second part is fixed, the base consisting of a front, a rear and two side portions, on each of which at least one floor support roller is mounted, and also one guide element mounted to move between the first and the second guides of each side portion of the stationary frame part. A frame of the sleeping berth second part of the retractable frame part is hingedly connected to the base of the retractable frame part pivotable relative to the base of the retractable frame part to the extended position by two rotary mechanisms set one on each side of the base of the retractable frame part symmetrically in such way that each swivel mechanism is pivotally connected to both the side portion of the base of the retractable frame part and the second part of the frame of the sleeping berth second part of the retractable frame part.;EFFECT: increased reliability of operation of upholstered furniture transformation device.;11 cl, 6 dwg
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