1、BRITISH STANDARD BS4222:1967 Specification for Dimensions of the transmission coupling (slip-joint) to dental handpiecesBS4222:1967 This BritishStandard, having been approved by the Dental Industry Standards Committee and endorsed by the Chairman ofthe Chemical Divisional Council, was published unde
2、r theauthority of the General Council on 13November1967 BSI12-1999 The following BSI references relate to the work on this standard: Committee reference DNC/2 Draft for comment67/7871 ISBN 0 580 04418 1 Co-operating organizations The Dental Industry Standards Committee, under whose supervision this
3、BritishStandard was prepared, consists of representatives from the following Government departments and scientific and industrial organizations: Association of Dental Hospitals of Great Britain and Northern Ireland* British Dental Association* British Dental Trade Association* Dental Education Advis
4、ory Council Ministry of Defence, Navy Department* Ministry of Health* Ministry of Technology Laboratory of the Government Chemist Ministry of Technology National Engineering Laboratory* Royal Society of Medicine* Scottish Home and Health Department The Government departments and scientific and indus
5、trial organizations marked with an asterisk in the above list, together with the following, were directly represented on the committee entrusted with the preparation of thisBritishStandard: British Iron and Steel Federation Dental Laboratories Association Institute of British Surgical Technicians (D
6、ental Section) Institute of Dental Surgery London Dental Study Club Ministry of Defence, Air Force Department Ministry of Defence, Army Department Royal College of Surgeons of England Amendments issued since publication Amd. No. Date CommentsBS4222:1967 BSI 12-1999 i Contents Page Co-operating organ
7、izations Inside front cover Foreword ii 1 Scope 1 2 Requirements 1 3 Marking 1 Figure 1 Dental transmission coupling (slip-joint) 2BS4222:1967 ii BSI 12-1999 Foreword This BritishStandard has been prepared and published under the authority of the Dental Industry Standards Committee at the request of
8、 the Ministry of Health. It is intended to provide closely toleranced dimensions for the transmission coupling, commonly described as the “slip-joint”, by means of which the power drive through the handpiece to the dental rotary instrument is transmitted. Observance of these dimensions will enable m
9、anufacturers of handpieces to ensure that a correct fit with the transmission coupling is secured. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard d
10、oes not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, pagesi andii, pages1 and 2, an inside back cover and a back cover. This standard has been updated (see copyright date) and may have had amendments incorporated. Th
11、is will be indicated in the amendment table on the inside front cover.BS4222:1967 BSI 12-1999 1 1 Scope This BritishStandard specifies the essential dimensions and tolerances for the transmission coupling (slip-joint) to which the dental handpiece fits. 2 Requirements The dimensions and tolerances o
12、f the transmission coupling (slip-joint) shall be as set out in Figure 1. 3 Marking Driving units manufactured to comply with this standard shall be marked with the following information: 1) The name or trade symbol of the manufacturer, or both. 2) The number of this BritishStandard, i.e.BS4222.BS 4
13、222:1967 2 BSI 12-1999 Figure 1 Dental transmission coupling (slip-joint)BS4222:1967 BSI 12-1999 BritishStandards The following are available on application: YEARBOOK SECTIONAL LISTS.Gratis Acoustics Aircraft materials and components Building materials and components Chemical engineering Chemicals,
14、fats, oils, scientific apparatus, etc. Cinematography and photography Coal, coke and colliery requisites Codes of Practice Consumer goods Documentation, including Universal Decimal Classification Drawing practice Electrical engineering Farming, dairying and allied interests Furniture, bedding and fu
15、rnishings Gas and solid fuel and refractories Glassware including scientific apparatus Hospital equipment Illumination and lighting fittings Industrial instruments, etc. Iron and steel Machine tools Mechanical engineering Nomenclature, symbols and abbreviations Non-ferrous metals Packaging and conta
16、iners Paints, varnishes, paint materials and colours for paints Personal safety equipment Petroleum industry Plastics Printing, paper and stationery Road engineering Rubber Shipbuilding Textiles and clothing Welding Including subject index and numerical list of BritishStandards. 15s.BS4222:1967 BSI
17、389 Chiswick High Road London W4 4AL BSIBritishStandardsInstitution BSI is the independent national body responsible for preparing BritishStandards. It presents the UK view on standards in Europe and at the international level. It is incorporated by Royal Charter. Revisions BritishStandards are upda
18、ted by amendment or revision. Users of BritishStandards should make sure that they possess the latest amendments or editions. It is the constant aim of BSI to improve the quality of our products and services. We would be grateful if anyone finding an inaccuracy or ambiguity while using this BritishS
19、tandard would inform the Secretary of the technical committee responsible, the identity of which can be found on the inside front cover. Tel:02089969000. Fax:02089967400. BSI offers members an individual updating service called PLUS which ensures that subscribers automatically receive the latest edi
20、tions of standards. Buying standards Orders for all BSI, international and foreign standards publications should be addressed to Customer Services. Tel:02089969001. Fax:02089967001. In response to orders for international standards, it is BSI policy to supply the BSI implementation of those that hav
21、e been published as BritishStandards, unless otherwise requested. Information on standards BSI provides a wide range of information on national, European and international standards through its Library and its Technical Help to Exporters Service. Various BSI electronic information services are also
22、available which give details on all its products and services. Contact the Information Centre. Tel:02089967111. Fax:02089967048. Subscribing members of BSI are kept up to date with standards developments and receive substantial discounts on the purchase price of standards. For details of these and o
23、ther benefits contact Membership Administration. Tel:02089967002. Fax:02089967001. Copyright Copyright subsists in all BSI publications. BSI also holds the copyright, in the UK, of the publications of the international standardization bodies. Except as permitted under the Copyright, Designs and Pate
24、nts Act 1988 no extract may be reproduced, stored in a retrieval system or transmitted in any form or by any means electronic, photocopying, recording or otherwise without prior written permission from BSI. This does not preclude the free use, in the course of implementing the standard, of necessary
25、 details such as symbols, and size, type or grade designations. If these details are to be used for any other purpose than implementation then the prior written permission of BSI must be obtained. If permission is granted, the terms may include royalty payments or a licensing agreement. Details and advice can be obtained from the Copyright Manager. Tel:02089967070.
