INHALT

Regulation No 44 of the Economic Commission for Europe of the United Nations (UN/ECE) — Uniform provisions concerning the approval of restraining devices for child occupants of power-driven vehicles ( ‘Child Restraint Systems’ )

Regulation No 44 of the Economic Commission for Europe of the United Nations (UN/ECE) — Uniform provisions concerning the approval of restraining devices for child occupants of power-driven vehicles (‘Child Restraint Systems’)
1. SCOPE
2. DEFINITIONS
3. APPLICATION FOR APPROVAL
4. MARKINGS
4.8.
ISOFIX Marking
5. APPROVAL
6. GENERAL SPECIFICATIONS
6.1. Positioning and securing on the vehicle
6.2. Configuration
6.2.11. Child restraints with retractor
6.3. ISOFIX restraint specifications
6.3.1. General characteristics
6.3.1.1. Dimensions
6.3.1.2. Mass
6.3.2. ISOFIX Attachments
6.3.2.1. Type
Figure 0 (a)
6.3.2.2. Dimensions
Figure 0 (b)
6.3.2.3. Partial latching indication
6.3.3. ISOFIX child restraint top tether strap specifications
6.3.3.1. Top tether connector
6.3.3.2. ISOFIX Top tether strap features
6.3.3.2.1. ISOFIX Top tether strap length
6.3.3.2.2. No-slack indicator
6.3.3.2.3. Dimensions
Figure 0 (c)
ISOFIX Top tether connector (hook type) dimensions
6.3.4. Adjustment provisions
6.4. Control of Markings
6.5. Control of Instructions on Installation and the Instructions for Use
7. PARTICULAR SPECIFICATIONS
7.1. Provisions applicable to the assembled restraint
7.1.1. Resistance to corrosion
7.1.2. Energy absorption
7.1.3. Overturning
7.1.4. Dynamic test
7.1.4.2. Chest acceleration(5)
7.1.4.3. Abdominal penetration(6)
7.1.4.4. Manikin displacement
Figure 1
Arrangement for testing a forward-facing device
Figure 2
Arrangement for testing a rearward-facing device
Figure 3
Arrangement for testing child restraint devices group 0, not supported by the dashboard
Figure 4
Arrangement for testing rearward-facing devices, except group 0, not supported by the dashboard
7.1.5. Resistance to temperature
7.2. Provisions applicable to individual components of the restraint
7.2.1. Buckle
7.2.1.8.1. Test under load
7.2.1.8.2. No-load test
7.2.2. Adjusting device
7.2.3. Retractors
7.2.3.1. Automatically-locking retractors
7.2.3.2. Emergency-locking retractors
7.2.4. Straps
7.2.4.1. Width
7.2.4.2. Strength after room conditioning
7.2.4.3. Strength after special conditioning
7.2.5. Lock-off device
7.2.6. ISOFIX attachment specifications
8. DESCRIPTION OF TESTS(7)
8.1. Tests of the assembled restraint
8.1.1. Corrosion
8.1.2. Overturning
8.1.3. Dynamic tests
8.1.3.1. Tests on the trolley and test seat
8.1.3.1.1. Forward-facing
8.1.3.1.1.3. Deceleration or acceleration devices
8.1.3.1.1.3.2. Acceleration test device
8.1.3.1.2. Rearward-facing
8.1.3.2. Test on trolley and vehicle body shell
8.1.3.2.1. Forward-facing
8.1.3.2.2. Rearward-facing
8.1.3.3. Test with complete vehicle
8.1.3.4. The conditions for dynamic test are summarised in the table below:
8.1.3.5. Child restraints incorporating the use of additional anchorages
8.1.3.6. Test manikins
8.1.3.6.3. Installation of the manikin
8.1.3.7. Category of manikin to be used
8.1.4. Restraint of booster cushions
8.2. Tests of individual components
8.2.1. Buckle
8.2.1.1. Opening test under load
8.2.1.2. Opening test under zero load
8.2.2. Adjusting device
8.2.2.1. Ease of adjustment
8.2.3. Microslip test (see Annex 5, Figure 3)
8.2.4. Retractor
8.2.4.1. Retracting force
8.2.4.2. Durability of retractor mechanism
8.2.4.3. Locking of emergency-locking retractors
8.2.4.4. Corrosion test
8.2.4.5. Dust resistance test
8.2.5. Static test for straps
8.2.5.1. Strap strength test
8.2.5.2.1. Room conditioning
8.2.5.2.2. Light conditioning
8.2.5.2.3. Cold conditioning
8.2.5.2.4. Heat conditioning
8.2.5.2.5. Exposure to water
8.2.5.2.6. Abrasion conditioning
8.2.5.2.6.3. Particular test conditions
8.2.6. Lock-off Devices
8.2.6.1. Class A Devices
Figure 5
8.2.6.2. Class B Devices.
Figure 6
Schematic layout of Class B Lock-off test
8.2.7. Conditioning test for adjusters mounted directly on a child restraint
8.2.8. Temperature test
8.3. Certification of Test Bench Cushion
8.4. Registration of dynamic behaviour
9. TEST REPORTS OF TYPE APPROVAL AND OF PRODUCTION QUALIFICATION
10. MODIFICATIONS AND EXTENSION OF APPROVAL OF A TYPE OF CHILD RESTRAINT SYSTEM
11. PRODUCTION QUALIFICATION
11.2. Qualifying the production of child restraint systems
11.2.1. Dynamic tests
11.2.2. Control of Markings
12. CONFORMITY OF PRODUCTION AND ROUTINE TESTS
13. PENALTIES FOR NON-CONFORMITY OF PRODUCTION
14. PRODUCTION DEFINITELY DISCONTINUED
15. INSTRUCTIONS
NOTICE
NOTICE
16. NAMES AND ADDRESS OF TECHNICAL SERVICES RESPONSIBLE FOR CONDUCTING APPROVAL TESTS, AND OF ADMINISTRATIVE DEPARTMENTS
17. TRANSITIONAL PROVISIONS
ANNEX 1
COMMUNICATION
(Maximum format: A4 (210 × 297 mm))
ANNEX 2
ARRANGEMENTS OF THE APPROVAL MARK
ANNEX 3
ARRANGEMENT OF APPARATUS FOR DUST RESISTANCE TEST
(dimensions in millimetres)
ANNEX 4
CORROSION TEST
1. Test apparatus
2. Location of test samples in the mist cabinet
3. Salt solution
4. Compressed air
5. Conditions in the mist chamber
ANNEX 5
ABRASION AND MICROSLIP TEST
Figure 1
Procedure type 1
Examples of test arrangements corresponding to the type of adjusting device
Example a
Example b
Figure 2
Procedure type 2
Figure 3
Microslip test
Total travel: 300 ± 20 mm
ANNEX 6
DESCRIPTION OF TROLLEY
1. Trolley
2. Calibration screen
3. Seat
3.1.7. Covering the seat and the seat back(1)
3.2. Test of rearward-facing devices
Figure 1
Arrangement for testing a rearward-facing device
3.3. Trolley floor pan
4. Stopping device
Appendix 1
Figure 1
Dimensions of the seat and the seat cushions
Figure 2
Dimensions of the aluminium bottom-plate
Figure 3
Dimensions of the cover material
Figure 4
3-Dimensional view of seat
Appendix 2
Stopping device
Frontal impact
dimensions (in mm)
Figure 1
Figure 1a
Material A
Figure 1b
Material B
Figure 2
Stopping device olive-shaped knob
Figure 3
Stopping device olive-shaped knob
Figure 4
Stopping device (assembled)
Rear impact
dimensions (in mm)
Figure 5
Stopping device polyurethane tube
Rear impact
dimensions in mm
Appendix 3
ARRANGEMENT AND USE OF ANCHORAGES ON THE TEST TROLLEY
Figure 1
Figure 2
Figure 3
ANNEX 7
CURVE OF TROLLEY’S DECELERATION OR ACCELERATION, AS FUNCTION OF TIME
Appendix 1
Curve of trolley’s deceleration or acceleration, as function of time
Frontal impact
Appendix 2
Curves of trolley’s deceleration or acceleration, as function of time
Rear impact
ANNEX 8
DESCRIPTION OF MANIKINS
1. General
Appendix 1
DESCRIPTION OF THE 9 MONTHS AND 3, 6 AND 10-YEAR MANIKINS
1. General
2. Construction
2.1. Head
2.2. Vertebrae
2.2.1. Neck vertebrae
2.2.2. Lumbar vertebrae
2.3. Chest
2.4. Limbs
2.5. Pelvis
2.6. Assembly of the manikin
2.6.1. Neck-chest-pelvis
2.6.2. Head-neck
2.6.3. Torso-limbs
3. Main characteristics
3.1. Mass
3.2. Principal dimensions
Figure 1
Principal dimensions of manikin
4. Adjustment of joints
4.1. General
4.2. Adjustment of the neck cable
Figure 2
4.3. Atlas-Axis joint
Figure 3
4.4. Hip joint
Figure 4
4.5. Knee joint
Figure 5
4.6. Shoulder joint
Figure 6
4.7. Elbow joint
Figure 7
4.8. Lumbar cable
Figure 8
4.9. Calibration of the abdominal insert
4.9.1. General
Figure 9
5. Instrumentation
5.1. General
5.2. Installation of the accelerometer in the chest
5.3. Indication of abdominal penetration
Appendix 2
DESCRIPTION OF THE ‘NEW-BORN’ MANIKIN
Figure 1
Calibration of infant manikin
1. SHOULDER STIFFNESS
2. LEG JOINT STIFFNESS
3. TEMPERATURE
Figure 2
Figure 3
Appendix 3
DESCRIPTION OF THE 18 MONTHS MANIKIN
1. GENERAL
2. CONSTRUCTION
2.1. Head
2.2. Neck
2.3. Torso
2.4. Abdomen
2.5. Lumbar spine
2.6. Pelvis
2.7. Hip joint
2.8. Knee joint
2.9. Shoulder joint
2.10. Elbow joint
2.11. Assembly of the manikin
3. MAIN CHARACTERISTICS
3.1. Mass
3.2. Principal dimensions
Figure 1
Principal dimensions of manikin
4. ADJUSTMENT OF JOINTS
4.1. General
4.2. Lumbar spine
Figure 2
4.3. Abdomen
Figure 3
4.4. Adjustment of the neck
Figure 4
4.5. OC Joint
4.6. Hip
4.7. Knee
4.8. Shoulders
4.9. Elbow
5. INSTRUMENTATION
5.1. General
5.2. Installation of the accelerometer in the chest
5.3. Indication of abdominal penetration
ANNEX 9
FRONTAL IMPACT TEST AGAINST A BARRIER
1. Installations, procedure and measuring instruments
1.1. Testing ground
1.2. Barrier
1.3. Propulsion of the vehicle
1.4. State of the vehicle
1.5. Impact velocity
1.6. Measuring instruments
ANNEX 10
REAR IMPACT TEST PROCEDURE
1. Installations, procedures and measuring instruments
1.1. Testing ground
1.2. Impactor
1.3. Propulsion of the impactor
1.4. Special provisions applicable where a moving barrier is used
1.5. Special provisions applicable where a pendulum is used
1.6. General provisions relating to the mass and velocity of the impactor
1.7. State of the vehicle during the test
ANNEX 11
Additional anchorages required for attaching child restraints in the semi-universal category to motor vehicles
ANNEX 12
ANNEX 13
STANDARD SAFETY-BELT
Figure 1
Standard seat belt configurations
Figure 2
Typical standard anchorage plate
Dimensions in mm
Figure 3
Central part of the standard belt configuration
Dimensions in mm
Figure 4
Pillar loop
ANNEX 14
TYPE APPROVAL SCHEME (FLOW CHART ISO 9002:2000)
ANNEX 15
EXPLANATORY NOTES
ANNEX 16
CONTROL OF CONFORMITY OF PRODUCTION
1. Tests
1.1. Verification of the locking threshold and durability of emergency locking retractors
1.2. Verification of the durability of automatically locking retractors
1.3. Test for strength of straps after conditioning
1.3.1. Test for strength of straps after abrasion
1.4. Microslip test
1.5. Energy absorption
1.6. Verification of the performance requirements of the child restraint system when subjected to the appropriate dynamic test
1.7. Temperature test
2. Test frequency and results
2.2.1. Batch control for the child restraint systems
2.2.2. Continuous control
ANNEX 17
TEST OF ENERGY ABSORBING MATERIAL
1. Headform
Figure A
Headform
2. Instrumentation
3. Procedure
ANNEX 18
METHOD OF DEFINING HEAD IMPACT AREA OF DEVICES WITH BACKRESTS AND FOR REARWARD-FACING DEVICES DEFINING THE MINIMUM SIZE OF SIDE WINGS
ANNEX 19
DESCRIPTION OF CONDITIONING OF ADJUSTERS MOUNTED DIRECTLY ON CHILD RESTRAINTS
Figure 1
1. Method
ANNEX 20
TYPICAL BUCKLE STRENGTH TEST DEVICE
ANNEX 21
DYNAMIC CRASH TEST INSTALLATION
1. Method
1.1. Lap belt only
1.2. Lap and diagonal belt
1.3. ISOFIX attachment
ANNEX 22
LOWER TORSO BODY BLOCK TEST
Figure 1
Truncated P10 manikin block
Material: EPS (40 to 45 g/l)
Figure 2
Booster pull test using manikin block