ISO INTERNATIONAL STANDARD 9704 First edition 1990-12-15 Passenger cars --- Wiper systems -- Shaft ends and arm-holes Voitures particulieres --- Dispositifs d'essuie-glace -- Bouts d'axes de fixation et trou de fixation sur le porte-balai Reference number ISO 9704:1990(E) king permitted without license from IHS Not for Resale ISO 9704:1990(E) Foreword IsO (the International Organization for Standardization) is a worldwide federation of national standards bodles (iso member bodies). The work of preparing International Standards is normally carried out through Iso technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, govern- mental and non-governmental, in liaison with isO, also take part in the work. Iso. collaborates closely with the International Electrotechnical Commission (lEC)on all matters of eiectrotechnical standardization. Draft Internatlonal Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an Inter- bodies casting a vote. International Standard Iso'g704 was prepared by Technical Committee ISO/TC 22, Road vehicles. Annex A forms an integral part of this International Standard. ISO1990 Alt rlghts reserved. No part of this publication may be reproduced or utilized in any form or by any means, electronlc or mechanical, including photocopying and microfim, without permisslon In writing from the publisher. Internattonal Organization for Standardization Case Postale 56.CH-1211Geneve 20·Switzerland Printed In Swltzeriand t license from IHS Not for Resale ISO 9704:1990(E) INTERNATIONAL STANDARD Passenger cars --. Wiper systems --- Shaft ends and arm-holes 2.1 Tapered, knurled shaft end dimensions Scope This International Standard specifies the main di- Shaft end dimensions shall meet the requirements mensions and general requirements for wiper arm shown in figure 1 and table 1. to shaft end connections of wiper systems used on passenger cars. It also applies to wiper arm to shaft end connections of other vehicles where no specific International Standard exists. Type 1 is the preferred type. Type 2, which is given in annex A, is still used in some countries. ipo 2 Type 1: Tapered, knurled shaft ends and connections a b Shaft ends for wiper systems shall meet the re- Tooth quirements specified in 2.1 to 2.5. Details not speci- fied are left to the manufacturer's choice. Figure .1 Table 1 Nomina! Tip Nominal Thread Number of teetht) Cone angle2) diameter dianeter taper dd dz d +?° min. min. max. --0.15 mm tol. mm mm mm mm 6 M5 14°15 5,8 2,4 1;2 1:4 29 ±2 8 M6 6.8 1,7 6,6 3,9 10 M8 41 8,6 8,8 1: 3 18°55' M8 5 37 .f 2 12 M10 9,8 3,9 10,6 50 The profile of the teeth on the manufacturing tool shall have a tip angle of 90°. 1) Measured at the top of the teeth. 2] without license from IHS Not for Resale