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GB/T 41181-2021Sitting posture chair (English PDF)

坐姿椅

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

December 31, 2021

Implementation date

December 31, 2021

Scope

GB/T 41181-2021 is the English-translated version of 坐姿椅.

GB/T 41181-2021 covers sitting posture chairs, which hold, balance and correct the seated position of people with impaired sitting function who weigh less than 100 kg.

It describes the chair structure and sets requirements for appearance, guards, parts, adjustment and locking devices, dimensions, flame retardancy, stability, strength and safety warnings, with particular weight on the strength of the body supports and the overall stability of the seat.

The test methods specify the conditions and equipment, including test dummies to GB/T 18029.11, and the checks for appearance and dimensions, casters, flame retardancy, stability and strength.

It closes with inspection rules and with marking, packaging, transport and storage. It was issued on 31 December 2021 and has applied since 31 December 2021.

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Document preview — GB/T 41181-2021

National Standard of the People's Republic of China

ICS: 11.180
Classification: Y 81

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Preface
Introduction
1 Scope
2 Normative references
3 Terms and Definitions
4 Seated chair structure
5 Requirements
5.1 Appearance quality
5.2 Guards
5.3 Part
5.4 Adjustment and locking device
5.5 Dimensions parameter
5.6 Flame retardancy
5.7 Stability
5.8 Strength requirements
5.9 Safety Warning
6 Test method
6.1 Test conditions
6.2 Test equipment
6.3 Appearance and dimension inspection
6.4 Casters
6.5 Flame retardancy
6.6 Stability
6.7 Strength test
7 Inspection rules
7.1 Factory inspection
7.2 Type inspection
7.3 Sampling and decision rules
8 Marking, packaging, transportation and storage
8.1 Marking, Packaging
8.2 Transport and storage

Foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1. Structure and Drafting Rules of Standardization Documents" drafted.

Introduction

The sitting chair is used to fix the posture of people with abnormal sitting function who need to maintain the sitting posture, balance the sitting posture, and correct the sitting posture. Sit in normal use When using the chair, the factors that have a greater impact on the safety of the user are the strength of the body support parts and the overall stability of the seat. Safety implications for caregivers The bigger factor is the overall stability of the seat.

This document makes more requirements on the mechanical strength and stability of the seated chair in order to ensure the reliability of the seated chair in this regard.

1 Scope

This document specifies the structure, requirements, test methods, inspection rules, marking, packaging, transportation and storage of seated chairs.

This document is applicable to the function of sitting posture that requires a fixed body position for sitting position maintenance, sitting balance, and correcting sitting posture with a weight of less than 100kg Seated chair used by abnormal people.

2 Normative references

The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, dated citations documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to this document.

GB/T 191 Graphical signs of packaging, storage and transportation

GB/T 6343 Determination of Apparent Density of Foamed Plastics and Rubber

GB/T 9969 General Principles of Instruction Manual for Industrial Products

GB/T 12825 Determination of hardness of high polymer porous elastic materials by concave degree method

GB/T 18029 Requirements and test methods for the flame retardancy of wheelchair seat (cushion) pads

GB/T 18029.11 Wheelchairs - Part 11. Test dummies

3 Terms and Definitions

The following terms and definitions apply to this document.

3.1 Sitting posture chair

A chair for maintaining, balancing, and correcting sitting posture for the user.

3.2 Maximum user mass

Maximum quality for the user specified by the manufacturer.

3.3 Test dummy

A device for simulating human body mass and mass distribution during seated chair testing that meets the requirements of GB/T 18029.11.

3.4 Supplementary weight

When a tester is used instead of a test dummy, it is used to increase the weight so that the total load and load distribution of the seated chair are the same as those of the corresponding dummy. Consistent.

3.5 Effective seat depth

The distance between the frontmost point of the seat surface and the surface of the backrest.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

Referenced standards

Normative references

Similar standards

GB/T 12996-2024|GB/T 44425-2024|GB/T 44665-2024|GB/T 44668-2024|GB/T 44701-2024|GB/T 24437-2023

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