ISO INTERNATIONAL STANDARD 1103 Fourth edition 2007-06-01 Road vehicles Coupling balls for caravans and light trailers Dimensions Véhicules routiers Boules d'attelage pour caravanes et remorques légeres- -Caractéristiquesdimensionnelles Reference number ISO 1103:2007(E) @ ISO 2007 vided by IHS under lic ted without license from IHS ISO 1103:2007(E) PDFdisclaimer This PDF file may contain embedded typefaces. In accordance with Adobe's licensing policy, this file may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. In downloading this file, parties accept therein the responsibility of not infringing Adobe's licensing policy. The IsO Central Secretariat accepts no liability in this area. Adobe is a trademark of Adobe Systems Incorporated. Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation parameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use by ISO member bodies. In the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below. COPYRIGHT PROTECTED DOCUMENT @ISO2007 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, IsO's memberbody in the country of the requester. ISO copyright office Case postale 56 . CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland Copyrgh Interatinal Oorganization for Standardization @ IS0 2007 - All rights reserved vided by IHS under es/11111001. User=Wing, Bernie I without license from IHS ISO 1103:2007(E) Foreword IsO (the International Organization for Standardization) is a worldwide federation of national standards bodies (IsO member bodies). The work of preparing International Standards is normally carried out through ISO International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/lEC Directives, Part 2. The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. IsO shall not be held responsible for identifying any or all such patent rights. ISO 1103 was prepared by Technical Committee ISO/TC 22, Road vehicles, Subcommittee SC 4, Caravans and light trailers. This fourth edition cancels and replaces the third edition (isO 1103:1996), which has been technically revised ii aadzao INTERNATIONAL STANDARD ISO 1103:2007(E) Road vehicles Coupling balls for caravans and light trailers Dimensions 1 Scope This International Standard lays down the dimensions necessary for the compatibility of mechanical coupling devices between light trailers or caravans and towing vehicles, when the latter are fitted with a coupling ball. The clearance space around the coupling ball is intended to allow coupling and decoupling of towed vehicles as well as safe operation during coupling and uncoupling of mechanical devices. This International Standard applies to coupling balls designed to couple caravans and light trailers of categories O, and O, 1) to vehicles of categories M or N. it does not necessarily apply to special trailers drawn by special vehicles. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated Iso 1176:1990, Road vehicles — Masses — Vocabulary and codes ISO 1302:2002, Geometrical Product Specification