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UN R17: Proposal for a Supplement 4 to the 08 series of amendments
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Reference Number: WP.29/2017/122
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Proposal to clarify the testing of seats with and without head restraints. This proposal would allow alternatives at the request of the manufacturer by clarifying that under testing of a bench seat with three seating positions and two head restraints, a moment of 3 × 373Nm shall be applied to the back of seats and of 2 × 373Nm to the head restraints: - If the manufacturer wants to comply with the test requirements of paragraph 6.2. (strength of the seat-back), by the test of head restraint performance of paragraph 6.4., they choose to apply 53 daNm to each seat back without head restraint and 89 daN to each head restraint. In this case only one test shall be performed.
- If the manufacturer chooses not to apply 53 daNm, during the test of paragraph 6.4., the seat back strength test of paragraph 6.2. has to be performed in addition to the test of paragraph 6.4.
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Meeting Sessions: 173rd WP.29 session (14-17
Nov 2017)
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Document date: 23 Aug 17
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Document status: Adopted text published
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Relevant to: UN Regulation No. 17 | Strength of Seats, Anchorages, and Head Restraints
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Adoption Vote
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This proposal (WP.29/2017/122) was adopted by the World Forum. Thirty-five Contracting Parties out of the 47 applying UN R17 were present for the vote by AC.1. Thirty-five voted in favor with zero against and zero abstaining.
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