A seat assembly includes independently rotatable and reclinable seats. The seats have back support sections that can be rotated between a sofa position and a compact position as well as the sofa position and a reclined position. The seats can further include leg rests that are movable between a lowered position and a raised position.

Disclosed is a folding sofa bed, including a folding bed frame body, a cushion body, and a turning component. The cushion body is disposed above the folding bed frame body. The turning component is connected with the folding bed frame body and the cushion body. The turning component is capable of driving the cushion body above the folding bed frame body to turn to be below the folding bed frame body. In this application, when the folding sofa bed is unfolded, the cushion body may turn to be below the folding bed frame body through the turning component. This may not only save space, but also bring convenience to a user for operation.

Disclosed is a folding sofa bed, including a folding bed frame body, a cushion body, and a turning component. The cushion body is disposed above the folding bed frame body. The turning component is connected with the folding bed frame body and the cushion body. The turning component is capable of driving the cushion body above the folding bed frame body to turn to be below the folding bed frame body. In this application, when the folding sofa bed is unfolded, the cushion body may turn to be below the folding bed frame body through the turning component. This may not only save space, but also bring convenience to a user for operation.

A zero-wall trifold sofa bed includes a sofa base, where the sofa base is provided with two symmetrical folding assemblies; the folding assemblies each include a first long arm and a second long arm that are pivoted to a front side of an inner wall of an armrest box of the sofa base; the first long arm and the second long arm are jointly pivoted to a first assembly element for assembling a first sofa base; a middle part of the first long arm is provided with a first short arm; a middle part of the second long arm is provided with a second short arm and a third short arm; the first short arm and the second short arm are jointly pivoted to a second assembly element for assembling a second sofa base; the third short arm is pivoted to one end of a connecting rod.

A sofa with an adjustably coupled headrest and backrest includes a base movably connected with a side panel and a coupling sheet for backrest hinged at the side panel, and a backrest assembly including a connection element of backrest with a front end hinged at a rear end of the side panel at an upper position and a connection rod of backrest with an upper end hinged at a rear end of the connection element of backrest, and with a lower end hinged at the coupling sheet for backrest, the base is provided with a drive member to switch a backrest frame to a lying position, and a coupling assembly for headrest configured to force the connection element for headrest to flip relative to a backrest skeleton is provided between the connection rod of backrest and the connection element for headrest.

A sofa with an adjustably coupled headrest and backrest includes a base movably connected with a side panel and a coupling sheet for backrest hinged at the side panel, and a backrest assembly including a connection element of backrest with a front end hinged at a rear end of the side panel at an upper position and a connection rod of backrest with an upper end hinged at a rear end of the connection element of backrest, and with a lower end hinged at the coupling sheet for backrest, the base is provided with a drive member to switch a backrest frame to a lying position, and a coupling assembly for headrest configured to force the connection element for headrest to flip relative to a backrest skeleton is provided between the connection rod of backrest and the connection element for headrest.