BS 4222-1967 Specification for dimensions of the transmission coupling (slip-joint) to dental handpieces《牙科手持机的传动联轴器(滑配接头)尺寸规范》.pdf

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,

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