Document ID: chunk:federal_register_of_legislation:F2012C00357:front:0:p24
Version: federal_register_of_legislation:F2012C00357
Segment Type: other
Provision Reference: 
Character Range: 65499–68497

at a speed higher than 24 km/h.  For this assessment the seat shall be considered to be in the position specified in paragraph 7.7.1.5. below.

           6.4.1.4.2. In vehicles where such devices are used, the displacement and locking systems enabling the occupants of all seats to leave the vehicle shall still be operable by hand after the dynamic test.

           6.4.1.5. By way of derogation, in case of a restraint system, the displacements may be greater than those specified in paragraph 6.4.1.3.2. in the case where the upper anchorage fitted to the seat profits from the derogation provided in Regulation No. 14, paragraph 7.4.

           6.4.2. Strength after abrasion conditioning

           6.4.2.1. For both samples conditioned in compliance with paragraph 7.4.1.6. below, the breaking strength shall be assessed as prescribed in paragraphs 7.4.2. and 7.5. below.  It must be at least equal to 75 per cent of the breaking strength average determined during tests on unabraded straps and not less than the minimum load specified for the item being tested.  Difference between breaking strength of the two samples must not exceed 20 per cent of the highest measured breaking strength.  For type 1 and type 2 procedures, the breaking strength test shall be carried out on strap samples only (para. 7.4.2.).  For type 3 procedure, the breaking strength test shall be carried out on the strap in combination with the metal component involved (para. 7.5.).

           6.4.2.2. The parts of the belt assembly to be subjected to an abrasion procedure are given in the following table and the procedure types which may be appropriate for them are indicated by "x".  A new sample shall be used for each procedure.

                         Procedure 1  Procedure 2  Procedure 3

Attachment               -            -            x
Guide or Pulley          -            x            -
Buckle-loop              -            x            x
Adjusting device         x            -            x
Parts sewn to the strap  -            -            x

7. TESTS

           7.1. Use of samples submitted for approval of a type of belt or restraint system (see Annex 13 to this Regulation)

           7.1.1. Two belts or restraint systems are required for the buckle inspection, the low‑temperature buckle test, the low‑temperature test described in paragraph 7.5.4. below where necessary, the buckle durability test, the belt corrosion test, the retractor operating tests, the dynamic test and the buckle‑opening test after the dynamic test.  One of these two samples shall be used for the inspection of the belt or restraint system.

           7.1.2. One belt or restraint system is required for the inspection of the buckle and the strength test on the buckle, the attachment mountings, the belt adjusting devices and, where necessary, the retractors.

           7.1.3. Two belts or restraint systems are required for the inspection of the buckle, the micro‑slip test and the abrasion test.