4. Regulation No. 55 (Mechanical couplings)
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16. The Chair of the IWG on Regulation No. 55 presented (GRRF-82-02) a proposal (ECE/TRANS/WP.29/GRRF/2016/28) introducing amendments to Regulation No. 55 on secondary coupling and the attachment points. The expert from Italy responded to the proposal (GRRF-82-05). GRRF supported this proposal as amended and reproduced in GRRF-82-33.
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GRRF-82-02 | Proposal for amendments to Regulation No. 55
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Proposal for amendments to Regulation No. 55
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Reference Number: GRRF-82-02
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Explanation of proposals from the informal working group for corrections, restructuring, and amendments to UN R55.
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Submitted by: VBG
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Document date: 01 Sep 16
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Relevant to
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View full document file for more information
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GRRF-82-05 | Current provisions in Annex 5 of Regulation No. 55 (01 series)
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Current provisions in Annex 5 of Regulation No. 55 (01 series)
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Reference Number: GRRF-82-05
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Comments concerning failure modes in the event of a separation of the main coupling between a vehicle and a towed trailer in order to enable the trailer to be guided and/or stopped automatically.
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Submitted by: Italy
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Document date: 01 Sep 16
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Relevant to
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View full document file for more information
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GRRF-82-33 | Amendment to ECE/TRANS/WP.29/GRRF/2016/28 agreed during the session
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Amendment to ECE/TRANS/WP.29/GRRF/2016/28 agreed during the session
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Reference Number: GRRF-82-33
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Amendment to the proposal from the UN R55 informal group to allow the fitment of a secondary coupling and/or a brake away cable for un-braked O1 trailers or inertia braked trailers up to 3.5t which are equipped with class B coupling heads and class S drawbar eyes (38 mm, 40 mm, and others) and for the related use of integrated towing brackets.
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Document date: 23 Sep 16
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Document status: Superseded
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Relevant to
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View full document file for more information
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GRRF/2016/28 | Proposal for amendments to Regulation No. 55
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Proposal for amendments to Regulation No. 55
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Reference Number: GRRF/2016/28
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Proposal from the UN R55 informal group to allow the fitment of a secondary coupling and/or a brake away cable for un-braked O1 trailers or inertia braked trailers up to 3.5t which are equipped with class B coupling heads and class S drawbar eyes (38 mm, 40 mm, and others) and for the related use of integrated towing brackets.
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Document date: 07 Jul 16
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Document status: Superseded
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Relevant to
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View full document file for more information
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17. The Secretary of the IWG introduced ECE/TRANS/WP.29/GRRF/2016/29 (amended by GRRF-82-27) with technical requirements for coupling devices for the purpose of modular vehicle combinations as well as “in-use” requirements for the combination of vehicles. The proposal, supported by GRRF, received some comments about the possibility to verify, at the time of type approval, the compliance with these “in use” requirements. GRRF questioned whether a driver could be requested to verify during a coupling phase the compatibility requirements defined in the proposal. The expert from CLEPA showed that calculation tools were available on the website of his company (www.vbg.se) and argued that it would be possible. GRRF agreed that this aspect of the proposal would need further consideration by the IWG who should recognise that new measures must be enforceable via type approval.
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GRRF-82-27 | Proposal for amendments to ECE/TRANS/WP.29/GRRF/2016/29
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Proposal for amendments to ECE/TRANS/WP.29/GRRF/2016/29
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Reference Number: GRRF-82-27
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Corrections to the proposal by the informal working group on Regulation No. 55 concerning vehicle combination applications to introduce:
(a) An amendment for the separation of requirement calculation procedures from the procedure of setting and certifying performance values.
(b) An amendment that adds procedures for requirement calculation for vehicle combinations that have hitherto not been accounted for in the Regulation.
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Document date: 22 Sep 16
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Document status: Superseded
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Relevant to
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View full document file for more information
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GRRF/2016/29 | Proposal for amendments to Regulation No. 55
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Proposal for amendments to Regulation No. 55
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Reference Number: GRRF/2016/29
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Proposal by the informal working group on Regulation No. 55 concerning vehicle combination applications to introduce:
(a) An amendment for the separation of requirement calculation procedures from the procedure of setting and certifying performance values.
(b) An amendment that adds procedures for requirement calculation for vehicle combinations that have hitherto not been accounted for in the Regulation.
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Document date: 07 Jul 16
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Document status: Superseded
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Relevant to
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View full document file for more information
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18. The Chair of the IWG presented ECE/TRANS/WP.29/GRRF/2016/30 introducing a procedure to identify permissible performance values combinations for drawbar coupling equipment. GRRF supported this proposal.
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GRRF/2016/30 | Proposal for amendments to Regulation No. 55
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Proposal for amendments to Regulation No. 55
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Reference Number: GRRF/2016/30
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Proposal by the informal working group on Regulation No. 55 and introduces a procedure to identify allowable combinations of performance values DC and V for drawbar coupling equipment.
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Document date: 07 Jul 16
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Document status: Superseded
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Relevant to
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View full document file for more information
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19. The Chair of the IWG introduced ECE/TRANS/WP.29/GRRF/2016/31 (as amended by GRRF-82-28) proposing clarifications and an amendment to the worst cases identification provisions. GRRF supported the proposal.
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GRRF/2016/31 | Proposal for amendments to Regulation No. 55
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Proposal for amendments to Regulation No. 55
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Reference Number: GRRF/2016/31
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Proposal by the informal working group on Regulation No. 55 to introduce:
a) Correction of an error in Annex 5, figures 12 and 17;
b) An amendment that concerns identification of worst cases for design assessment;
c) Clarifications on minimum articulation angles.
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Document date: 07 Jul 16
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Document status: Superseded
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Relevant to
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View full document file for more information
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GRRF-82-28 | Proposal for amendments to ECE/TRANS/WP.29/GRRF/2016/31
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Proposal for amendments to ECE/TRANS/WP.29/GRRF/2016/31
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Reference Number: GRRF-82-28
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Revised proposal superseding document GRRF/2016/31. Proposals in GRRF/2016/31 to regulate the articulation angles of couplings as installed have been removed. The informal group on UN R55 could not reach agreement on this subject. As a result, this revised proposal by the informal working group on Regulation No. 55:
a) Corrects an error in Annex 5, figures 12 and 17; and
b) Introduces an amendment concerning identification of worst cases for design assessment.
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Document date: 22 Sep 16
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Document status: Superseded
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Relevant to
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View full document file for more information
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20. The expert from Germany volunteered to prepare a consolidated document encompassing all documents above (see paras. 16-19) while addressing the comments received. GRRF requested for this new document to be brought to the next session.
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GRRF-82-27 | Proposal for amendments to ECE/TRANS/WP.29/GRRF/2016/29
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Proposal for amendments to ECE/TRANS/WP.29/GRRF/2016/29
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Reference Number: GRRF-82-27
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Corrections to the proposal by the informal working group on Regulation No. 55 concerning vehicle combination applications to introduce:
(a) An amendment for the separation of requirement calculation procedures from the procedure of setting and certifying performance values.
(b) An amendment that adds procedures for requirement calculation for vehicle combinations that have hitherto not been accounted for in the Regulation.
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Document date: 22 Sep 16
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Document status: Superseded
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Relevant to
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View full document file for more information
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GRRF-82-33 | Amendment to ECE/TRANS/WP.29/GRRF/2016/28 agreed during the session
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Amendment to ECE/TRANS/WP.29/GRRF/2016/28 agreed during the session
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Reference Number: GRRF-82-33
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Amendment to the proposal from the UN R55 informal group to allow the fitment of a secondary coupling and/or a brake away cable for un-braked O1 trailers or inertia braked trailers up to 3.5t which are equipped with class B coupling heads and class S drawbar eyes (38 mm, 40 mm, and others) and for the related use of integrated towing brackets.
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Document date: 23 Sep 16
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Document status: Superseded
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Relevant to
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View full document file for more information
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GRRF/2016/30 | Proposal for amendments to Regulation No. 55
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Proposal for amendments to Regulation No. 55
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Reference Number: GRRF/2016/30
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Proposal by the informal working group on Regulation No. 55 and introduces a procedure to identify allowable combinations of performance values DC and V for drawbar coupling equipment.
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Document date: 07 Jul 16
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Document status: Superseded
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Relevant to
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View full document file for more information
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GRRF/2016/31 | Proposal for amendments to Regulation No. 55
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Proposal for amendments to Regulation No. 55
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Reference Number: GRRF/2016/31
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Proposal by the informal working group on Regulation No. 55 to introduce:
a) Correction of an error in Annex 5, figures 12 and 17;
b) An amendment that concerns identification of worst cases for design assessment;
c) Clarifications on minimum articulation angles.
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Document date: 07 Jul 16
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Document status: Superseded
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Relevant to
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View full document file for more information
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21. The expert from Poland introduced ECE/TRANS/WP.29/GRRF/2016/32 proposing to introduce requirements in Regulation No. 55 imposing that a coupling device can only be installed on an M1 vehicle which was designed for its installation. The intention of the proposal received a general support. The expert from Denmark proposed that it should also apply to vehicles of category N1. The experts from the Netherlands and Spain noted that the text of the Regulation already contained provisions in that sense (a list with such provisions is available in the IWG working paper R55-07-06). GRRF supported the idea proposed and agreed to revisit this item at its January 2017 session on the basis of a revised proposal that the experts from Denmark, the Netherlands, Poland and Spain volunteered to prepare.
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GRRF/2016/32 | Proposal for an amendment to Regulation No. 55
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Proposal for an amendment to Regulation No. 55
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Reference Number: GRRF/2016/32
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Proposal to restrict component type-approval for mechanical coupling devices dedicated to category M1 vehicles to use only on such M1 vehicles as are designed to tow trailers.
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Submitted by: Poland
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Document date: 05 Jul 16
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Document status: Superseded
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Relevant to
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View full document file for more information
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R55-07-06 | Modular vehicles and in-use requirements
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22. The expert from Germany introduced the proposal for Terms of Reference of IWG on the Agricultural Coupling Devices and Components revised by the IWG (GRRF-82-30). GRRF adopted the proposal, reproduced in Annex II. The expert from Germany submitted GRRF-82-37 to GRRF, providing a status report of the IWGs’ activities.
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GRRF-82-37 | Status report of the informal working group on Agricultural Coupling Devices and Components
GRRF-82-30 | Proposal for ToR and RoP for the IWG on Mechanical Couplings for Agricultural Vehicles
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