AS 4688.1 pdf download

AS 4688.1 pdf download.Furniture—Fixed height chairs
1  Scope
This Standard sets out the safety and general requirements, and recommendations, for freestanding, fixed height seating with either fixed, swivel or rocking bases and upright, reclined or reclinable backs, intended to seat one or more persons. Bases may incorporate wheels, castors or glides. The following are not covered by this Standard: (a) Seating permanently attached to the floor or similar structures such as in theatres or stadiums. (b) Height adjustable swivel chairs (see AS/NZS 4438). (c) Plastic monobloc chairs (see AS/NZS 3813). (d) Student chairs used in school and educational environments (see AS/NZS 4610.2). ISO/IEC 17025 requirements for measurement uncertainty do not apply to this suite of Standards. NOTE 1  In the case of multiple seating, the tests in this suite of Standards may be applied using the methods of test in EN 1728 and the loads and forces specified in AS/NZS 4688.2. NOTE 2  For the purpose of this Standard the word “chair” is used as a collective term for any of the fixed height seating types, including stools and recliners.
3  Terms and definitions
For the purposes of this Standard the terms and definitions below apply. 3.1 accessible to the user features to which access can be easily gained by the user when the seating is in its intended configuration for use and for which the probability of unintentional contact is high 3.2 beam seating freestanding seating incorporating individual seating positions for more than one person with all seats mounted on a common beam or rail 3.3 bench seating freestanding seating, other than a lounge, for more than one person but without individual seating positions 3.4 bottom out reduction in thickness of the filling material in the seat when sat upon, to an extent that the seat substructure is easily felt under the buttocks 3.5 chair piece of furniture designed to accommodate one sitting or reclining person, providing support for the back and often the arms and typically standing on a four leg base Note 1 to entry: Other forms of bases may include, but are not restricted to, sled base, cantilever and pedestal bases. 3.6 loading point template template used to determine the inclination angle of the back of a chair Note 1 to entry: The construction and method of use of the loading point template is given in Appendix A. 3.7 lounge chair piece of furniture designed for seating one or more persons in a relaxed manner with support for the back and often the arms Note 1 to entry: A lounge is generally thickly upholstered, and lower and more reclined than a typical chair, bench or beam seat. 3.8 multiple seating freestanding seating of any type designed to seat more than one person 3.9 ottoman upholstered low seat or footrest without arms or a back and usually with short legs or glides 3.10 reclined seating seating with a fixed backrest angle greater than 30° off vertical when measured with the chair loading point template 3.11 rocking seating seating mounted on a base that allows the user to rock forwards and backwards 3.12 shall indicates that a statement is mandatory 3.13 sharp edges edges that are not rounded, chamfered or otherwise finished such that they are smooth and free from burrs 3.14 shear and squeeze points points on a chair at which parts of the anatomy (predominately the digits) may become entrapped, crushed or cut between two moving parts Note 1 to entry: Shear and squeeze points exist if the distance between two accessible parts, moving relative to each other, is less than 25 mm but greater than 7 mm in any position during movement. Note 2 to entry: Shear points also exist where parts move in true scissor action without any gaps between them. 3.15 should indicates a recommendation 3.16 stool seat, usually without a back or arms, typically standing on three or four legs or a single pedestal 3.17 synchro recliner chair or a lounge where both the seat and back move in defined relative motion as the back is reclined 3.18 tilting/reclining seating seating that allows the inclination of the backrest to be adjusted Note 1 to entry: The backrest may be lockable, free floating or held in place by spring tension or compression. 3.19 upholstery combination of filling and fabric used to cover a chair Note 1 to entry: Fabrics include mesh materials. 3.20 upright seating seating with a fixed backrest angle of less than 30° off vertical when measured with the chair loading point template