A combination chair/bed furniture and method of using. The furniture includes a support frame system and a multi-fold cushion assembly adapted to be supported by a frame of the support frame system. The cushion assembly includes folded cushions that define a seat cushion supported by the frame in a chair configuration of the furniture and when extended defines a mattress supported by the frame and at least one mattress support frame of the support frame system in a bed configuration of the furniture. A seat back is supported by the frame in the chair configuration of the furniture and serves as a headboard or additional mattress in the bed configuration.

A convertible couch, twin bed, and queen bed includes a U-shaped section having a first arm, a second arm, and a back section; a first end section; a second end section; and first, second and third mattress sections; the first mattress section is rotatably joined to the second mattress section, which is rotatably joined to the third mattress section, which has a first bottom edge and an opposing second bottom edge; the first mattress section has an internal first edge and an opposing internal section edge; the internal first edge has a second portion of the first zipper, and the internal second edge has a second portion of the second zipper; the first zipper releasably joins the first end section and the first mattress section, and the second zipper releasably joins the second end section and the first mattress section.

A mechanism for transforming furniture from a sitting position to a lying down position has right and left jacks with identical design, which are a mirror reflection of each other, connected by a synchronisation mechanism. Each jack has a fastening plate which attaches the jack to the furniture body, angle bars, upper and lower for connecting with the mattresses, a spring and a front pull rod and rear pull rod with centre arms. Each jack has a backrest driving sub-assembly created from a backrest rotation pull rod and support to be connected with the backrest of the furniture, whereas the backrest rotation pull rod is connected in an articulated manner on one end with the bottom end of the rear pull rod, and on the second end is connected in an articulated manner with the support connected in an articulated manner to the fastening plate.

A mechanism for transforming furniture from a sitting position to a lying down position has right and left jacks with identical design, which are a mirror reflection of each other, connected by a synchronisation mechanism. Each jack has a fastening plate which attaches the jack to the furniture body, angle bars, upper and lower for connecting with the mattresses, a spring and a front pull rod and rear pull rod with centre arms. Each jack has a backrest driving sub-assembly created from a backrest rotation pull rod and support to be connected with the backrest of the furniture, whereas the backrest rotation pull rod is connected in an articulated manner on one end with the bottom end of the rear pull rod, and on the second end is connected in an articulated manner with the support connected in an articulated manner to the fastening plate.

A convertible sofa bed includes a U-shaped section having a first arm and a second arm; a first end section; a second end section; and first, second and third mattress sections; the first mattress section is rotatably joined to the second mattress section, which is rotatably joined to the third mattress section, which has a first bottom edge and an opposing second bottom edge; the first mattress section has an internal first edge and an opposing internal section edge; the internal first edge has a second portion of the first closure element, and the internal second edge has a second portion of the second closure element; the first closure element releasably joins the first end section and the first mattress section, and the second closure element releasably joins the second end section and the first mattress section.

A convertible sofa bed includes a U-shaped section having a first arm and a second arm; a first end section; a second end section; and first, second and third mattress sections; the first mattress section is rotatably joined to the second mattress section, which is rotatably joined to the third mattress section, which has a first bottom edge and an opposing second bottom edge; the first mattress section has an internal first edge and an opposing internal section edge; the internal first edge has a second portion of the first closure element, and the internal second edge has a second portion of the second closure element; the first closure element releasably joins the first end section and the first mattress section, and the second closure element releasably joins the second end section and the first mattress section.

A convertible couch, twin bed, and queen bed includes a U-shaped section having a first arm, a second arm, and a back section; a first end section; a second end section; and first, second and third mattress sections; the first mattress section is rotatably joined to the second mattress section, which is rotatably joined to the third mattress section, which has a first bottom edge and an opposing second bottom edge; the first mattress section has an internal first edge and an opposing internal section edge; the internal first edge has a second portion of the first zipper, and the internal second edge has a second portion of the second zipper; the first zipper releasably joins the first end section and the first mattress section, and the second zipper releasably joins the second end section and the first mattress section.

A space saving bed of the kind that can be changed from a single bed into a double bed and vice versa and where performing this change between the single bed and double bed is easy, effortless, and does not require removal of a pad or mattress. The space saving bed includes a first frame part and a second frame part. The first frame part includes a first mattress receiving device and the second frame part includes a second mattress receiving device. The first and second frame parts are hingedly connected together about a first axis and are foldable relative to each other about the first axis. The second mattress receiving device is connected to the second frame part to be rotatable or pivotable about a second axis. The first and second axes are arranged parallel to one another.

A space saving bed of the kind that can be changed from a single bed into a double bed and vice versa and where performing this change between the single bed and double bed is easy, effortless, and does not require removal of a pad or mattress. The space saving bed includes a first frame part and a second frame part. The first frame part includes a first mattress receiving device and the second frame part includes a second mattress receiving device. The first and second frame parts are hingedly connected together about a first axis and are foldable relative to each other about the first axis. The second mattress receiving device is connected to the second frame part to be rotatable or pivotable about a second axis. The first and second axes are arranged parallel to one another.

A bed convertible between a sofa configuration and a bed configuration. The bed includes a stationary bed support assembly having a stationary bed frame, a back rail, a front rail, and a plurality of slats adapted to support a mattress and a movable bed support assembly having a movable bed frame, a back rail, a front rail and a plurality of slats adapted to support a mattress. In one embodiment, a storage compartment is located underneath the stationary bed support assembly and the movable bed support assembly. Also, a backrest may be attached to the back rail of the stationary bed support assembly, whereby the backrest is adapted to support a user's back when the bed is in the sofa configuration.