Three-posture frame structure and a sofa structure
AssigneeQidong Vision Mounts Manufacturing Co., Ltd.
InventorsShanming Zhang, Wenjun Zhu
Life of this patent
Estimating the term…
Abstract
A three-posture frame structure includes a seat frame, and the following components arranged on the seat frame: a first telescopic unit, connected to the bottom of the seat frame; a leg rest plate, fixed to the movable end of the first telescopic unit; a drive mechanism, one end of which is rotatably connected to the bottom side of the seat frame, and the other end is rotatably connected to the first telescopic unit; a backrest frame, rotatably connected to the seat frame and located on a side away from the leg rest plate; a second telescopic unit, rotatably connected to the backrest frame for driving a change in the angle of the backrest frame; wherein the second telescopic unit is rotatably connected to the first telescopic unit.
Claims10
A three-posture frame structure, characterized by comprising a seat frame and the following components arranged on the seat frame:
- a first telescopic unit, connected to the bottom of the seat frame and extendable or retractable toward a front end of the seat frame;
- a leg rest plate, fixed to the movable end of the first telescopic unit;
- a drive mechanism, one end of which is rotatably connected to the bottom side of the seat frame, and the other end is rotatably connected to the first telescopic unit;
- a backrest frame, rotatably connected to the seat frame and located on a side away from the leg rest plate;
- a second telescopic unit, rotatably connected to the backrest frame for driving a change in the angle of the backrest frame;
- wherein the second telescopic unit is rotatably connected to the first telescopic unit;
- when the drive mechanism retracts to an initial state, a sitting posture is formed;
- When the drive mechanism extends, the first telescopic unit is first extended out of the seat frame to form a TV posture, and then the first telescopic unit drives the second telescopic unit to change the angle of the backrest frame to form a lying posture.
Dependencies are inferred from the claim text.