Document ID: chunk:federal_register_of_legislation:F2019C00042:front:0:p22
Version: federal_register_of_legislation:F2019C00042
Segment Type: other
Provision Reference: 
Character Range: 61491–64485

50 mm starting at the length given in paragraph 7.6.2.1. In the case of the test mentioned in paragraph 6.2.5.3.1.2. above locking must not occur during the 50 mm of strap movement starting at the length given in paragraph 7.6.2.1.

         6.2.5.3.4. If the retractor is part of a lap belt, the retracting force of the strap shall be not less than 0.7 daN when measured in the free length between the dummy and the retractor in accordance with paragraph 7.6.4.

          If the retractor is part of an upper torso restraint, the retracting force of the strap shall be not less than 0.1 daN and not more than 0.7 daN when similarly measured, except for a belt equipped with a tension-reducing device, in which case the minimum retracting force may be reduced to 0.05 daN only when such a device is in operation mode. If the strap passes through a guide or pulley, the retracting force shall be measured in the free length between the dummy and the guide or pulley.

          If the assembly incorporates a device that upon manual or automatic operation prevents the strap from being completely retracted, such a device shall not be operated when these requirements are assessed.

          If the assembly incorporates a tension-reducing device, the retracting force of the strap described in the above shall be measured with the device in operation mode and non-operation mode when these requirements are assessed before and after durability tests according to paragraph 6.2.5.3.5.

         6.2.5.3.5. The strap shall be withdrawn from the retractor and allowed to retract repeatedly by the method described in paragraph 7.6.1. until 40,000 cycles have been completed. The retractor shall then be subjected to the corrosion test given in paragraph 7.2. and after that to the dust test prescribed in paragraph 7.6.3. It shall then satisfactorily complete a further 5,000 cycles (making 45,000 in all).

          If the assembly incorporates a tension-reducing device, the above tests shall be conducted on condition that the tension-reducing device is in operation mode and in non-operation mode.

          After the above tests, the retractor shall operate correctly and still meet the requirements of paragraphs 6.2.5.3.1., 6.2.5.3.3. and 6.2.5.3.4. above.

         6.2.5.4. Retractors must fulfill, after durability test according to paragraph 6.2.5.3.5., and immediately after the retracting force measurement according to paragraph 6.2.5.3.4., all next two specifications:

         6.2.5.4.1. When retractors except automatically locking retractors are tested according to paragraph 7.6.4.2., the retractors must be able to avoid any slack between torso and belt, and,

         6.2.5.4.2. When the buckle is unlatched to release the tongue, the retractor alone must be able to retract strap fully.

         6.2.6. Pre‑loading device

         6.2.6.1. After being submitted to corrosion testing in accordance with paragraph 7.2., the pre‑loading device (including the