1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS ISO 1222:2010Photography TripodconnectionsBS ISO 1222:2010 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of ISO 1222:2010. Itsupersedes BS IS
2、O 1222:2003 which is withdrawn.The UK participation in its preparation was entrusted to TechnicalCommittee CPW/42, Photography.A list of organizations represented on this committee can beobtained on request to its secretary.This publication does not purport to include all the necessaryprovisions of
3、a contract. Users are responsible for its correctapplication. BSI 2010ISBN 978 0 580 70345 4ICS 37.040.10Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 31 July 20
4、10Amendments issued since publicationDate Text affectedBS ISO 1222:2010Reference numberISO 1222:2010(E)ISO 2010INTERNATIONAL STANDARD ISO1222Fourth edition2010-06-15Photography Tripod connections Photographie lments de fixation sur le trpied BS ISO 1222:2010ISO 1222:2010(E) PDF disclaimer This PDF f
5、ile may contain embedded typefaces. In accordance with Adobes 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 th
6、e responsibility of not infringing Adobes 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-
7、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 IS
8、O 2010 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either ISO at the address below or ISOs member body in the
9、 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 copyrightiso.org Web www.iso.org Published in Switzerland ii ISO 2010 All rights reservedBS ISO 1222:2010ISO 1222:2010(E) ISO 2010 All rights reserved iiiForeword ISO
10、 (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 technical committees. Each member body interested in a subject for which a technical com
11、mittee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrot
12、echnical standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC 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 mem
13、ber 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 identify
14、ing any or all such patent rights. ISO 1222 was prepared by Technical Committee ISO/TC 42, Photography. This fourth edition cancels and replaces the third edition (ISO 1222:2003), of which it constitutes a minor revision. It also incorporates the Technical Corrigendum ISO 1222:2003/Cor.1:2003. BS IS
15、O 1222:2010BS ISO 1222:2010INTERNATIONAL STANDARD ISO 1222:2010(E) ISO 2010 All rights reserved 1Photography Tripod connections 1 Scope This International Standard specifies the screw connections used between a camera and a tripod or other accessories. 2 Normative references The following referenced
16、 documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 68-2:1998, ISO general-purpose screw threads Basic profile Part 2: In
17、ch screw threads 3 Form, basic dimensions, deviations and tolerances 3.1 General The form and dimensions of connections shall be as given in Figure 1. Dimensions in millimetres a) Nut b) Bolt Key D major diameter of nut d major diameter of bolt Figure 1 Dimensions of nut and bolt BS ISO 1222:2010ISO
18、 1222:2010(E) 2 ISO 2010 All rights reserved3.2 Use of stabilizing lock In the case where the optional stabilizing lock is used, its forms and dimensions shall be in accordance with Figures 2, 3, 4 and 5. Dimensions in millimetres NOTE The dimension 14 mm is the distance between the centre of the ho
19、le for the bolt and that of the lock pin. Figure 2 Dimensions of nut with stabilizing lock Dimensions in millimetres NOTE 1 The lock pin is sinkable. NOTE 2 The dimension 14 mm is the distance between the centre of the hole for the bolt and that of the lock pin. Figure 3 Dimensions of bolt with type
20、 A stabilizing lock BS ISO 1222:2010ISO 1222:2010(E) ISO 2010 All rights reserved 3Dimensions in millimetres NOTE 1 The lock pin is removable. NOTE 2 The dimension 14 mm is the distance between the centre of the hole for the bolt and that of the lock pin. Figure 4 Dimensions of bolt with type B stab
21、ilizing lock Dimensions in millimetres NOTE 1 The lock pin is sinkable or removable. NOTE 2 The dimension 14 mm is the distance between the centre of the hole for the bolt and that of the lock pin. Figure 5 Dimensions of bolt with type C stabilizing lock 3.3 Screw threads Screw thread dimensions sha
22、ll be in accordance with Figure 6 and Tables 1 and 2. The basic profile of screw threads shall be in accordance with ISO 68-2:1998. BS ISO 1222:2010ISO 1222:2010(E) 4 ISO 2010 All rights reserved25,4 1mm or inPPnn= 0,866 03H P= 50,541 278H P= Key 1 nut 2 bolt H height of fundamental triangle (see IS
23、O 68-2:1998, Figure 1) NOTE For other dimensions, see Tables 1 and 2. Figure 6 Nut and bolt screw threads Table 1 Nut threads UNC NOD size in Number of threads per 25,4 mm (1 in) n Pitch P mm Diameters Major diameterD mm Pitch diameter D2mm Minor diameterD1mm Basic dimensions 6,350 5,525 4,975 upper
24、 (ES) + 0,295 + 0,292 Deviations lower (EI) + 0,110 + 0,110 1/4 20 1,270 Tolerance 0,185 0,292 Basic dimensions 9,525 8,494 7,806 upper (ES) + 0,366 + 0,357 Deviations lower (EI) + 0,150 + 0,150 3/8 16 1,588 Tolerance 0,216 0,357 NOTE Deviations and tolerances basically refer to USC 1A and 1B (with
25、minor changes for deviations D and D2to permit international interchangeability with existing apparatus). BS ISO 1222:2010ISO 1222:2010(E) ISO 2010 All rights reserved 5Table 2 Bolt threads UNC NOD size in Number of threads per 25,4 mm (1 in) n Pitch P mm Diameters Major diameterd mm Pitch diameter
26、d2mm Minor diameterd1mm Basic dimensions 6,350 5,525 4,975 upper (es) 0,028 0,028 0,212 Deviations lower (ei) 0,338 0,170 1/4 20 1,270 Tolerance 0,310 0,142 Basic dimensions 9,525 8,494 7,806 upper (es) 0,033 0,033 0,262 Deviations lower (ei) 0,393 0,199 3/8 16 1,588 Tolerance 0,360 0,166 NOTE Devia
27、tions and tolerances basically refer to USC 1A and 1B (with minor changes for deviations d and d2to permit international interchangeability with existing apparatus). 4 Bearing face between a nut side and a bolt side Dimensions of the bearing faces shall be chosen according to the camera, tripod or a
28、ccessories. The bearing face shall be free from protrusions. If there is a recess, the diameter of the recess around the bolt shall not be larger than 12 mm (for the 1/4 in size) or 20 mm (for the 3/8 in size), and the depth of the recess shall be as small as possible. BS ISO 1222:2010ISO 1222:2010(
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