1 Scope
This standard specifies definitions, technical requirements and test methods of safety belts, restraint systems, child restraint systems and ISOFIX child restraint systems.
This standard applies to:
a) Vehicles of categories M and N with regard to the installation of safety-belts and restraint systems which are intended for separate use by adult occupants in forward-facing or rearward-facing seats;
b) Safety-belts and restraint systems which are intended for separate use by adult occupants in forward-facing or rearward-facing seats and designed for installation in vehicles of categories M and N;
c) Vehicles of categories M1 and N1 with regard to the installation of child restraint systems and ISOFIX child restraint systems;
d) Vehicles of category M1 with regard to safety-belt reminders.
2 Normative References
The following documents are indispensable for the application of this standard. For dated references, only the dated edition is applicable to this document. For undated references, the latest editions of the normative documents (including all the amendments) are applicable to this document.
GB 4094-1999 Motor Vehicles - Symbols for Controls, Indicators and Tell-tales
GB/T 8427-2008 Textiles-Tests for Colour Fastness - Color Fastness to Artificial Light: Xenon Arc Fading Lamp Test
GB 11551-2003 The Protection of the Occupant in the Event of a Frontal Collision for Passenger Car
GB 11552-2009 The Interior Fittings of Passenger Car
GB 11557-2011 The Stipulation Protecting Drivers from being Injured by Motor Vehicle Steering Mechanism
GB 13057-2003 Strength of the Seats and their Anchorages of Passenger Vehicles
GB 14167-2013 Safety-belt Anchorages, ISOFIX Anchorages Systems and ISOFIX Top Tether Anchorages for Vehicles
GB/T 15089-2001 Classification of Power - Driven Vehicles and Trailers
GB 27887-2011 Restraining Devices for Child Occupants of Power-driven Vehicles
ISO 6487:2002 Road Vehicles-Measurement Techniques in Impact Tests-Instrumentation
ISO 17373:2005 Road Vehicles-Sled Test Procedure for Evaluating Occupant Head and Neck Interactions with Seat/Head Restraint Designs in Low-speed Rear-end Impact
ASTM D 573 Standard Test Method for Rubber-Deterioration in an Air Oven
ASTM D 735 Specification for Elastomer Compounds for Automotive Applications
ASTM D 736 Method of Test for Low-Temperature Brittleness of Rubber and Rubber-Like Materials
3 Terminologies and Definitions
For the purposes of this document, the following terminologies and definitions apply.
3.1
Safety belt, belt
An arrangement of straps with a securing buckle, adjusting devices and attachments which is capable of being anchored to the interior of a power-driven vehicle and is designed to diminish the risk of injury to its wearer, in the event of collision or of abrupt deceleration of the vehicle, by limiting the mobility of the wearer's body. Such an arrangement embraces any device for absorbing energy or for retracting the strap.
3.1.1
Lap belt
A two-point belt which passes across the front of the wearer's pelvic region.
3.1.2
Diagonal belt
A belt which passes diagonally across the front of the chest from the hip to the opposite shoulder.
3.1.3
Three-point belt
A belt which is essentially a combination of a lap belt and a diagonal belt.
