Folding chair
AssigneeDongguan Shichang Metals Factory Ltd.
InventorYumin Wang
Life of this patent
Estimating the term…
Abstract
A folding chair is disclosed, which includes a front leg tube, a rear leg tube, a backrest and a seat. The front leg tube is linked with the rear leg tube through connection pieces. The backrest is arranged on the front leg tube. One or more washers are arranged on the front leg tube and/or the rear leg tube. The length of an edge of a curved bottom of the one or more washers is not greater than 50% of the perimeter of the front leg tube or the rear leg tube.
Claims19
A folding chair, comprising a front leg tube, a rear leg tube, a backrest, and a seat, wherein the front leg tube and the rear leg tube are linked through connection pieces, and the backrest is arranged on the front leg tube, wherein at least one washer is arranged on at least one of the front leg tube and the rear leg tube, and wherein a length of an edge of a curved bottom of the at least one washer is not greater than 50% of a perimeter of at least one of the front leg tube and the rear leg tube, and further wherein:
- the at least one washer comprises a plurality of recesses with uniform specifications, wherein each of the plurality of recesses is configured for use in joining the at least one washer to the front leg tube or the rear leg tube.
A folding chair, comprising:
- a front leg tube;
- a rear leg tube linked to the front leg tube through connection pieces;
- a backrest attached to the front leg tube;
- a seat attached to the front leg tube and the rear leg tube;
- and
- at least one washer attached to the front leg tube or the rear leg tube, the at least one washer having a front side and a rear side, the at least one washer comprising:
- a first plurality of recesses with uniform specifications disposed adjacent the front side of the at least one washer, the first plurality of recesses configured for use in joining the front side of the washer to the front or rear leg tube;
- a second plurality of recesses with uniform specifications disposed adjacent the rear side of the at least one washer, the second plurality of recesses configured for use in joining the second side of the washer to the front or rear leg tube;
- and
- a convex part disposed between the front and rear sides of the washer.
Dependencies are inferred from the claim text.