US 2022/0087423 A1Published application

Movable chair mechanism, chair frame and chair

OwnerXiaozhao ZHANGinventor

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Abstract

A movable chair mechanism, a chair frame and a chair are provided. The movable chair mechanism includes a chair component, an intermediate transmission component and an installation component. The intermediate transmission component includes three transmission connecting rods. The first transmission connecting rod and the third transmission connecting rod are pivotally connected to the chair component respectively, and ends of the second transmission connecting rod are pivotally connected to the first transmission connecting rod and the third transmission connecting rod respectively. The installation component includes a fixing connecting rod, a first swing arm and a second swing arm. The fixing connecting rod is fixed to a base, ends of the first swing arm are pivotally connected to the first transmission connecting rod and the fixing connecting rod respectively, and ends of the second swing arm are pivotally connected to the third transmission connecting rod and the fixing connecting rod respectively.

Claims20

Dependent claims

A movable chair mechanism, comprising a chair component, an intermediate transmission component and an installation component, wherein

the intermediate transmission component comprises a first transmission connecting rod, a second transmission connecting rod and a third transmission connecting rod, the first transmission connecting rod and the third transmission connecting rod are pivotally connected to the chair component, respectively, and ends of the second transmission connecting rod are pivotally connected to the first transmission connecting rod and the third transmission connecting rod, respectively;
the installation component comprises a fixing connecting rod, a first swing arm and a second swing arm, the fixing connecting rod is fixed to a base, ends of the first swing arm are pivotally connected to the first transmission connecting rod and the third transmission connecting rod, respectively, and ends of the second swing arm are pivotally connected to the third transmission connecting rod and the fixing connecting rod, respectively;
the installation component is capable of driving the intermediate transmission component into motion, and the intermediate transmission component is capable of driving the chair component into motion in a first direction.

Dependencies are inferred from the claim text.