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US 10,104,971 B1Granted
Chair with adjustable backrest
AssigneeZhejiang Hengfeng Top Leisure Co., Ltd.
InventorBaoqing Yang
Life of this patent
Estimating the term…
Abstract
A folding chair has a frame having first and second front legs and first and second rear legs. A back rest is operatively pivotally connected to the rear legs. A seat is slidingly connected to the first and second front legs and pivotally connected to the back rest, thereby enabling the angle of the backrest relative to the rear leg to be adjustable as the seat slides toward and away from the front legs.
Claims19
A folding chair comprising:
- first and second front legs with first and second front cross beams extending therebetween, an end of the first front cross beam being pivotally connected to the first front leg and an opposite end of the first front cross beam being pivotally connected to the second front leg, an end of the second front cross beam being pivotally connected to the first front leg and an opposite end of the second front cross beam being pivotally connected to the second front leg;
- first and second rear legs with first and second rear cross beams extending therebetween, an end of the first rear cross beam being pivotally connected to the first rear leg and an opposite end of the first rear cross beam being pivotally connected to the second rear leg, an end of the second rear cross beam being pivotally connected to the first rear leg and an opposite end of the second rear cross beam being pivotally connected to the second rear leg;
- first and second seat support beams, the first seat support beam being slidably connected to the first front leg, the second seat support beam being slidably connected to the second front leg;
- first and second back rest beams, the first back rest beam being pivotally connected to the first seat support beam, the second back rest beam being pivotally connect to the second seat support beam, the first back rest beam being operatively pivotally connected to the first rear leg, the second back rest beam being operatively pivotally connected to the second rear leg.
1 more element
A folding chair comprising:
- a frame having first and second front legs and first and second rear legs;
- a back rest operatively pivotally connected to the rear legs;
- and a seat slidingly connected to the first and second front legs and pivotally connected to the back rest, thereby enabling an angle of the backrest relative to the rear leg to be adjustable as the seat slides toward and away from the front legs, wherein the first and second front legs have first and second front cross beams extending therebetween with an end of the first front cross beam being pivotally connected to the first front leg and an opposite end of the first front cross beam being pivotally connected to the second front leg, an end of the second front cross beam being pivotally connected to the first front leg and an opposite end of the second front cross beam being pivotally connected to the second front leg.
A folding chair comprising:
- a frame having first and second front legs and first and second rear legs;
- a back rest operatively pivotally connected to the rear legs;
- and a seat slidingly connected to the first and second front legs and pivotally connected to the back rest, thereby enabling an angle of the backrest relative to the rear leg to be adjustable as the seat slides toward and away from the front legs, wherein the first and second rear legs have first and second rear cross beams extending therebetween with an end of the first rear cross beam being pivotally connected to the first rear leg and an opposite end of the first rear cross beam being pivotally connected to the second rear leg, an end of the second rear cross beam being pivotally connected to the first rear leg and an opposite end of the second rear cross beam being pivotally connected to the second rear leg.
Dependencies are inferred from the claim text.