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US 10,206,510 B2Granted
Folding chair
AssigneeCampvalley (Xiamen) Co., Ltd.
InventorKwan Jun Choi
Life of this patent
Estimating the term…
Abstract
A folding chair includes a chair frame. The frame includes left and right side stands, front and rear cross supporting rod assemblies, seat rods, backrest rods and left and right side upright poles. Each side stand includes a front leg that leans backward and a rear leg that is coupled to the front leg and supports the front leg. The front or rear cross supporting rod assembly includes two front cross supporting rods. The seat rods are connected to the front legs, rear legs and upright poles. The backrest rods are connected to the rear legs. The upright poles are movably connected to the front legs.
Claims12
A folding chair comprising:
- a chair frame comprising:
- a leg frame comprising a left side stand, a right side stand, a front cross supporting rod assembly disposed at a front facade and a rear cross supporting rod assembly disposed at a rear façade, wherein
- each of the left and right side stands comprises a front leg leaning backward and a rear leg coupled to the front leg at an upper portion of the front leg and supporting the front leg,
- the front cross supporting rod assembly comprises two front cross supporting rods, and
- the rear cross supporting rod assembly comprises two rear cross supporting rods;
- seat rods, each seat rod pivotally connected to a corresponding front leg of the leg frame, and a rear end of each seat rod pivotally connected to a corresponding rear leg of the leg frame;
- first connecting members, each fixedly disposed at a corresponding rear leg of the leg frame;
- backrest rods, a lower end of each backrest rod pivotally connected to the first connecting member at the corresponding rear leg of the leg frame;
- and
- a left side upright pole and a right side upright pole disposed at the front facade, wherein
- lower ends of the left and right upright poles are movably and respectively connected to the corresponding front legs,
- the seat rods are respectively connected to the corresponding left and right upright poles,
- lower ends of the front cross supporting rods respectively connected to the corresponding front legs at lower portions of the corresponding front legs, and upper ends of the front cross supporting rods respectively connected to the corresponding upright poles below the corresponding seat rods, and
- lower ends of the rear cross supporting rods respectively connected to the corresponding rear legs, and upper ends of the rear cross supporting rods respectively connected to the corresponding backrest rods.
11 more elements
A chair frame for a folding chair, comprising:
- a leg frame comprising a left side stand, a right side stand, a front cross supporting rod assembly disposed at a front facade and a rear cross supporting rod assembly disposed at a rear façade, wherein
- each of the left and right side stands comprises a front leg leaning backward and a rear leg coupled to the front leg at an upper portion of the front leg and supporting the front leg,
- the front cross supporting rod assembly comprises two front cross supporting rods, and
- the rear cross supporting rod assembly comprises two rear cross supporting rods;
- seat rods, each seat rod pivotally connected to a corresponding front leg of the leg frame, and a rear end of each seat rod pivotally connected to a corresponding rear leg of the leg frame;
- first connecting members, each fixedly disposed at a corresponding rear leg of the leg frame;
- backrest rods, a lower end of each backrest rod pivotally connected to the first connecting member at the corresponding rear leg of the leg frame;
- and
- a left side upright pole and a right side upright pole disposed at the front facade, wherein
- lower ends of the left and right upright poles are movably and respectively connected to the corresponding front legs,
- the seat rods are respectively connected to the corresponding left and right upright poles,
- lower ends of the front cross supporting rods respectively connected to the corresponding front legs at lower portions of the corresponding front legs, and upper ends of the front cross supporting rods respectively connected to the corresponding upright poles below the corresponding seat rods, and
- lower ends of the rear cross supporting rods respectively connected to the corresponding rear legs, and upper ends of the rear cross supporting rods respectively connected to the corresponding backrest rods.
10 more elements
Dependencies are inferred from the claim text.