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| Document Title | GTR head restraints: height of head restraints-discussion of new measuremt method | ||||||||
| Reference Number | GTR7-06-11 | ||||||||
| Date |
14 Mar 2011
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| Source(s) | OICA, BASt, and RDW | ||||||||
| Rulemaking Area(s) | GTR No. 7 Head Restraints | ||||||||
| Meeting(s) | |||||||||
| Downloads | |||||||||
| UNECE server | .pdf format | ||||||||
| Excerpts from session reports related to this document | |||||||||
| GTR7 | Session 6 | 28 Feb-1 Mar 2011 |
Presentation from Mr Horn, OICA on the joint work with NL (GTR7-06-11). A simple, pragmatic approach to effective height measurement was evaluated, and possible issues regarding the interaction of Child Restraint Systems (CRS) and head restraints were also considered. It was summarised that the effective height could be improved for current head restraints using this approach without actually raising the head restraint because the profile of the HR would not curve away from the occupant. It was noted that in some cases the CRS requirements overlap (and are therefore mutually exclusive) with the head restraint requirements. This means that the rear head restraint can push the CRS forward. It was also noted that the proposal from NL and OICA is regarding the head restraint in an in-use position, not in a non-use position as defined in Phase 1. There will be a further meeting between OICA and NL in May to discuss the results of the OICA evaluations of the new method and agree a direction to propose to the IG. |
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