This standard specifies the terms and definitions, requirements and test methods for automobile seats, their anchorages and any head restraints.
This standard is applicable to the seats and their anchorages (whether equipped with head restraints) of Types M1 and N automobiles and the partitioning system protecting occupants from injury due to luggage movement of Type M1 automobiles in GB/T 15089-2001.
This standard is also applicable to seats of other Types M2 and M3 automobiles not covered by GB 13057-2003.
This standard is not applicable to folding seats, side-facing seats and backward 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 of the normative document referred to applies.
GB 11550 Strength requirement and test of automobile seats head restraints (GB 11550-1995, eqv EEC 78/932)
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 14167 Safety-belt anchorages for vehicles
GB/T 15089-2001 Classification of power-driven vehicles and trailers (eqv ECE R, E.3 Amendment 1)
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.
3.1
vehicle type
a category of motor vehicles which do not differ in the following essential respects
3.1.1 The structure, shape, dimensions, materials and the mass of the seats, although the seats may differ in covering and color; differences not exceeding 5% in the mass of the approved seat type shall be allowed;
3.1.2 The type and dimensions of the adjustment, displacement and locking systems of the seat-back and seats and their parts;
3.1.3 The type and dimensions of the seat anchorages;
3.1.4 The dimensions, frame, materials and padding of head restraints, although they may differ in color and covering;
