Folding chair with sliding backrest and folding backrest tube frame

Abstract

Folding chair with a sliding backrest and a folding backrest tube. The folding backrest tube structure comprises a backrest tube and a support leg tube. The lower part of the backrest tube is attached to the support leg tube via a first connector, and the backrest tube and first connector are rotated and connected by a rotating shaft. When the folding chair is folded, the rotating shaft slides along the wall of the elongated hole, sliding the backrest tube relative to the support leg tube.

Claims

of the backrest tube (1) is located in the U-shaped opening of the second connector (4), and at least a part of the sliding sleeve (3) is also located in the U-shaped opening.

7. Folding chair according to one of claims 4 to 6, characterized in that the first connector is a rotator (5), and one end of the rotator (5) is hinged with the support leg tube (6), and the other end of the rotator (5) can be connected to the support leg tube (6).

8. A folding chair according to one of claims 4 to 6, comprising armrests (2), wherein the lower central portion of the backrest tube (1) is hinged with one end of the armrest (2), and the central portion of the armrest (2) is hinged with the upper portion of two support leg tubes (6).

9. Folding chair according to one of claims 4 to 6, characterized in that the backrest tube (1), the support leg tube (6) and the chair seat tube (7) are U-shaped.

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