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US 9,759,248 B1Granted
Chair with plug type connection structure
AssigneeYotrio Group Co., Ltd.
InventorHui Wu
Life of this patent
Estimating the term…
Abstract
A chair comprises: two side frames, each of the two side frames comprising a front supporting leg and a rear supporting leg; a seat portion fixed between the two side frames; and a backrest portion connected to the rear supporting legs of the two side frames via a plug structure.
Claims16
A chair, comprising:
- two side frames, each of the two side frames comprising a front supporting leg and a rear supporting leg;
- a seat portion fixed between the two side frames;
- a backrest portion connected to the rear supporting legs of the two side frames via a plug structure, wherein said plug structure comprises:
- two grooves formed at front surfaces of the rear supporting legs respectively, each of the two grooves comprising an opening facing the front supporting legs and extending in a substantial vertical direction;
- and
- a plurality of fasteners mounted on a rear surface of the backrest portion, each of the plurality of fasteners comprising a head received in one of the two grooves;
- said backrest portion further comprising a plurality of back plates extending between the rear supporting legs, wherein each of the back plates has the fasteners mounted thereon;
- and
- said backrest portion further comprising a plurality of back plate spacers between adjacent back plates.
6 more elements
A chair, comprising:
- two side frames, each of the two side frames comprising a front supporting leg and a rear supporting leg;
- a seat portion fixed between the two side frames;
- a backrest portion connected to the rear supporting legs of the two side frames via a plug structure, wherein said plug structure comprises two grooves formed at front surfaces of the rear supporting legs respectively, wherein each of the two grooves comprise an opening extending in a substantial vertical direction, and wherein the two openings face each other;
- said backrest portion further comprising a plurality of back plates extending between the rear supporting legs;
- and
- said backrest portion further comprising a plurality of back plate spacers between adjacent back plates.
3 more elements
Dependencies are inferred from the claim text.