Chair with legs

JPWO2023218528A5Pending Publication Date: 2025-03-18
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Patent Information

Application Number
JP2024520119
Authority / Receiving Office
JP · JP
Patent Type
Applications
Priority Date
2022-05-10
Filing Date
2022-05-10
Publication Date
2025-03-18

AI Technical Summary

Technical Problem

Conventional chairs with legs fail to consistently maintain a seated person in a correct posture due to variations in sitting posture, such as leaning side to side, which can lead to discomfort and poor posture.

Method used

A chair design featuring a seat and backrest with central recessed areas and a core member that allows the backrest to displace rearward when subjected to force, combined with leg fixing parts that secure the chair to the floor, ensuring the seat and backrest align correctly to support the user's posture.

Benefits of technology

The chair effectively maintains a seated person in a straight posture by aligning the buttocks and back, reducing muscle strain and promoting comfort through the use of a core material that flexes to support the backrest, thus enhancing sitting comfort and posture correction.

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Abstract

The present invention comprises: a seat surface (30); a backrest (40); and legs (20) that support the seat surface (30). Central indentations (12) are formed to the left and right sides of: a rear section (30U) of the seat surface (30); and a lower section (40S) of the backrest (40). The seat surface (30) is secured by the legs (20). When the backrest (40) receives a backward facing force, the backrest is displaced backward.
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