5422 International Standard (iso INTERNATIONAL ORGANIZATION FOR STANDARDIZATIONMEXAYHAPOAHAA OPTAHM3ALMA HO CTAHAAPTW3AUWM-ORGANISATION INTERNATIONALE DE NORMALISATION Road vehicles - Anchorages for towing ropes, cables or bars Vehicules routiers-Dispositifs deremorquagepourcordes, cables oubarres First edition - 1982-08-01 5422-1982 (E) UDC 629.11.013.8 Ref. No. 1SO 5422-1982 (E) Descriptors : road vehicles, towing attachments, ，specifications,tests. OSI Price based on 2 pages sewithISC Licensee=Hong Kong Polytechnic University/9976803100 Foreword ISo (the International Organization for Standardization) is a worldwidefederation of national standards institutes (iso member bodies). The work of developing Inter- nationalStandardsiscarriedoutthroughIsotechnical committees.Everymember body interested in a subject for which a technical committee has been set up has the right to be represented on that committee. International organizations, governmenta! and non-governmental, in liaison with IsO, also take part in the work. Draft International Standards adopted by the technical committees are circulated to the member bodies for approval before their acceptance as International Standards by the ISo Council. International Standard ISO 5422 was developed by Technical Committee ISO/TC 22, Road vehicles, and was circulated to the member bodies in January 1981. It has been approved by the member bodies of the following countries : Austria Iran South Africa, Rep. of Beigium itaiy Bulgaria Korea, Dem, P. Rep. of Sweden China Korea, Rep. of Switzerland Czechoslovakia Netherlands United Kingdom Egypt, Arab Rep. of New Zealand USSR France Poland Germany, F.R. Romania The member body of the following country expressed disapprovai of the document on technical grounds : Japan InternationalOrganizationforStandardization.1982 Printed in Switzerland ISO 5422-1982 (E) DRAFTINTERNATIONALSTANDARD Roadvehicles s - Anchorages for towing ropes, cables or bars 1 Scope 5.2 Each towing anchorage shall be located in such a way that the requirements of ciause S are fulflled when a displace- This international Standard specifies the characteristics of the ment of ± 5° vertically and ± 25° horizontally occurs at the towing anchorages mounted on road vehicles, allowing them other end of the connecting element recommended by the to be towed or to tow another vehicle by means of towing vehicle manufacturer. These angles are measured from a ropes, cables or bars at the vehicle manufacturer's option. horizontal line parallel to the middle plane of the vehicle through the anchorage in question. 2 Field of application Shape This International Standard applies to passenger cars as 6 defined in ISo 3833 and to other vehicles which have a The shape of the anchorages is left to the manufacturer's maximum authorized total weight not exceeding 3,5 tonnes. option. it shall permit the attachment, without the aid of tools or auxiliary parts. 3 References The smallest dimension of the working aperture shalil not be less than 25 mm. Iso 1176, Road vehicles-Masses -Vocabulary.1) The anchorages shall not damage the ropes or cables during ISo 3833, Road vehicles-Types-Terms and definitions. towing. 4 Definitions 7 Strength 4.1 anchorage : Device fixed to the vehicle or capable of be- The anchorage shail withsiand a static ioad of at ieast haif the ing easily hooked, allowing the temporary attachment of a maximum authorized total mass according to clause 8. rope, a cable or a bar provided for towing. 4.2 kerb mass : as defined in ISO 1176. 8 Testing 4.3 maximum authorized total mass : as defined in 8.1 Test conditions ISO1176. The vehicle shall be appropriately secured at kerb weight pos- Location ition as specified by the vehicle manufacturer, on a horizontal 5 rigid surface. 5.1 Unless they are removable, the anchorages shall not pro- The vehicle manufacturer is allowed if he desires, to carry out ject, in the horizontal plane, beyond the exterior contour of the the test on the str