Sofa chair
AssigneeDewertokin Technology Group Co., Ltd.
InventorsWeiyao Zhou, Long Li, Liming Yang
Life of this patent
Estimating the term…
Abstract
A sofa chair includes a base, a chair frame assembly, a backrest assembly and a leg telescoping assembly. The chair frame assembly includes a chair frame bracket and a chair frame disposed on the chair frame bracket. The chair frame assembly is movably connected to the base by a connection rod structure. The sofa chair is configured to, in response to changing the state of the connection rod structure, switch between the sitting posture, the TV posture, and the fully lying posture. When the sofa chair is in the fully lying posture, the first included angle between the chair frame and the horizontal plane is greater than 26 degrees and less than 30 degrees, and the first height between the lowest point of the chair frame and the ground is 60 mm to 100 mm.
Claims15
A sofa chair, comprising a base disposed horizontally, a chair frame assembly indirectly and movably connected to the base, a backrest assembly movably connected to one end of the chair frame assembly, and a leg telescoping assembly movably connected to another end of the chair frame assembly, wherein the chair frame assembly comprises a chair frame bracket and a chair frame disposed on the chair frame bracket, the chair frame assembly is movably connected to the base by a connection rod structure, and the sofa chair is switchable between a sitting posture, a TV posture and a fully lying posture by changing a state of the connection rod structure, wherein when the sofa chair is in the fully lying posture, a first included angle between the chair frame and a horizontal plane is greater than 26 degrees and less than 30 degrees, and a first height between a lowest point of the chair frame and a ground is 60 mm to 100 mm;
- wherein the connection rod structure comprises a first support rod, a second support rod, a first connection rod, a second connection rod, and a third connection rod;
- the first support rod is hinged at a position of the base adjacent to one end of the base, and the second support rod is hinged at a position of the base adjacent to another end of the base;
- the chair frame bracket comprises a first portion and a second portion that is shorter than the first portion and connected to the first portion at an angle from the first portion;
- the first connection rod is hinged at a position of the chair frame bracket where the first portion is connected to the second portion, and an end of the first connection rod is hinged to the first support rod;
- the second connection rod is hinged to a middle of the first portion of the chair frame bracket, and an end of the second connection rod is hinged to the second support rod;
- the third connection rod connects a middle of the first connection rod and a middle of the second connection rod;
- the first connection rod is V-shaped;
- and
- the backrest assembly includes a backrest connector, and one end of the backrest connector is hinged to an end of the first connection rod facing away from the first support rod.
Dependencies are inferred from the claim text.