This standard specifies the office chair in terms of terms and definitions, classification, requirements, test methods, inspection rules and marking, packaging, transportation and storage.
This standard is applicable to work chair in the office and meeting room and may be used for similar chairs at other occasions as a reference.
2 Normative References
The following standards contain provisions which, through reference in this standard, constitute provisions of this standard. For dated reference, subsequent amendments to (excluding corrigendum) or revisions of, any of these publications do not apply. However, parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition of the normative document referred to applies.
GB/T 250 Gray Scale for Assessing Change in Colour
GB/T 1043 Plastics Determination of Charpy Impact Strength of Rigid Materials
GB/T 2828.1-2003 Sampling Procedures for Inspection by Attributes - Part 1: Sampling Schemes Indexed by Acceptance Quality Limit (AQL) for Lot-by-lot Inspection
GB/T 3324-1995 Wooden Furniture - General Technical Requirments
GB/T 3325-1995 Metal Furniture - General Technical Requirements
GB/T 3920 Textiles - Tests for Colour Fastness - Colour Fastness to Rubbing
GB/T 4893.9-1989 Furniture - Test for Surfaces - Assessment of resistance to impact
GB 5296.6 Instructions for Use of Products of Consumer Interest - Part 6: Furniture
GB/T 6343 Cellular Plastics and Rubbers-Determination of Apparent (Bulk) Density
GB/T 6670 Cellular Plastics - Flexible Polyurethane Foam - Determination of Resilience
GB/T 9286-1998 Paints and Varnishes - Cross Cut Test for Films
GB/T 10357.2 Test of Mechanical Properties of Furniture - Stability`of Chairs and Stools
GB/T 10357.3 Test of Mechanical Properties of Furniture - Strength and Dutability of Chairs and Stools
GB/T 10802 Flexible Polyurethane Foam
GB/T 12704 Fabrics - Determination of Water Vapour Transmission Rate - Dish Method
GB/T 16422.2 Plastics - Methods of Exposure to Laboratory Light Sources - Part 2: Xenon-arc Sources
GB/T 16799 Furniture Leather
GB 17927-1999 Upholstered Furniture - Assessment of the Resistance to Ignition of the Spring Mattress and the Sofa
GB/T 18204.26-2000 Methods for Determination of Formaldehyde in Air of Public Places
GB 18580-2001 Indoor Decorating and Refurbishing Materials - Limit of Formaldehyde Emission of Woodbased Panels and Finishing Products
GB 18587-2001 Indoor Decorating and Refurbishing Materials - Limitations of Harmful Substances Emitted from Carpets, Carpet Cushions and Adhesives
GB/T 19817-2005 Textiles - Fabrics for Furnishings
QB/T 1327 Test method for Color Fastness to Rubbing of Leather Surface
QB/T 1950 Determination of Resistance to Water of Furniture Surface Coatings
QB/T 1951.1-1994 Wooden Furniture - Quality Test and Quality Evaluation
QB/T 3821 Adhesion Testing Method of the Metal Deposits for the Light Industrial Products
JB/T 8064.1 Technical Specification for Compression Gas Spring
JB/T 8064.2 Technical Specifications for Lockable Gas Springs
3 Terms and Definitions
For the purpuse of this standard, the following terminologies and definitions apply.
3.1
Office chair
One-man seat for office work.
3.2
Swivel chair
Office chair of which seat can rotate horizontally.
3.3
Adjuster
Mechanism by which the chair parts are changed in the relative position, angle or rigidity.
3.4
Locking device
Device which makes moving parts of chair in position and locks them up.
3.5
Sliding friction
Resistance produced when the unloaded swivel chair translates on the steel plate surface and the pressure wheel slides.
3.6
Trundle friction
Resistance produced when the unloaded swivel chair translates on the steel plate surface and the caster slides.
3.7
Shape symmetry
Extent of the error among symmetry plane where parts are located, diagonals or circle diameter.
3.8
Supporting frame
