Patent ID: 8091159
Filing Date: 2012-01-10
Classification: A47C

Abstract:
1. A sofabed that is convertible between a sofa when closed and a bed when open, the sofabed adapted to stand on a surface such as a floor, the sofabed comprising: a sofa frame with a first side, a second side and a back connecting the first side to the second side substantially at right angles so as to form a box-shaped structure; a stationary support structure located between and connecting the first side to the second side of the sofa frame and positioned in front of the sofa frame back; an outermost sliding support structure and an innermost sliding support structure connected to the stationary support structure, the outermost sliding support structure telescopes into the innermost sliding support structure and the innermost sliding support structure telescopes into the stationary support structure when in a closed position, and the outermost sliding supporting structure extends out of the innermost sliding supporting structure and the innermost supporting structure extends out of the stationary support structure when in an open position; legs extend from the sliding support structures to the floor to support those structures, said legs being curved where they contact the floor; and a three-part mattress formed of a fixed portion attached to the stationary support structure, a central portion and a sofaback portion, the fixed portion adjoining the stationary support structure and not moving with respect thereto in going between the open and closed positions, the central portion connected to the fixed portion by a first hinge at the top of their adjacent edges, the sofaback portion connected to the central portion by a second hinge at the bottom of their adjacent edges, the sofaback portion being placed in a generally vertically inclined position in contact with the frame when the sofabed is in the closed sofa position.