Mechanism and matress for sofabed
OwnerAnne Harrisinventor
Life of this patent
Estimating the term…
Abstract
A convertible sofabed is a sofa when closed in a sitting position and a bed when opened in a sleeping position. A retractable support structure can be telescoped from the sofa to form, in conjunction with the sofa, a bed that is longer than the depth of the sofa in its sitting position. The mattress in the sleeping position is folded in three portions, a fixed portion, a central portion and an outer portion. The outer portion forms a sofaback in the sitting position and the central portion folds to lie on top of the fixed portion to form the seat of the sofabed. The support structure includes curved legs that travel easily over the floor without causing damage.
Claims10
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-like 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, 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 generally vertically inclined position contact with the frame when the sofabed is in the closed sofa position.
A mechanism and mattress for making a sofa that is convertible between a sofa when closed and a bed when open, the sofa being adapted to stand on a surface such as a floor and having a sofa frame that includes 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-like structure, said mechanism and mattress comprising:
- 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 back of the sofa frame;
- an outermost sliding support structure and an innermost sliding support structure connected to the frame, the outermost sliding support structure telescopes into the innermost sliding support structure and the innermost sliding support structure telescopes into the frame 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 frame when in an open position;
- legs extend from the support structures to the floor to support that structure, said legs being curved where they contact the floor;
- and
- a three-part mattress formed of a fixed portion attached to the frame, a central portion and a sofaback portion, the fixed portion adjoining the frame, 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 generally vertically inclined position contact with the frame when the sofabed is in the closed sofa position.
Dependencies are inferred from the claim text.