1 Scope
This standard specifies the terms and definitions, requirements and test methods for automobile seat head restraints.
This standard is applicable to seat head restraints of Categories M and N vehicles in GB/T 15089-2001.
This standard is not applicable to head restraints of folding seats, side-facing seats and rearward-facing seats.
2 Normative references
The following normative documents contain provisions which, through reference in this text, constitute provisions of this standard. For dated references, subsequent amendments (excluding corrections), or revisions, of any of these publications do not apply to this standard, 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 applies.
GB 11551-2003 The protection of the occupant in the event of a frontal collision for passenger car
GB 13057-2003 The strength of the seats and their anchorages of passenger vehicles
GB 15083-2006 Strength requirement and test of automobile seats, their anchorages and any head restraints
GB/T 15089-2001 Classification of power-driven vehicles and trailers
ISO 6487: 1980 Road vehicles - Techniques of measurement in impact tests - Instrumentation
3 Terms and definitions
For the purpose of this standard, the following terms and definitions apply.
Foreword i
1 Scope
2 Normative references
3 Terms and definitions
4 Requirements
5 Test methods
Annex A (Informative) Comparison between this standard and ECE R25 in clause number
Annex B (Normative) Energy absorption test
Annex C (Normative) Determination of the height and width of head restraints
Annex D (Normative) Detailed description of measurement and drawing during test
Annex E (Normative) Determination of dimension "a" of head restraint gaps
