1、March 2017 English price group 9No part of this translation may be reproduced without prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).ICS 97.220.30!%c+(“2640805www.din.deDIN
2、 EN ISO 20957-4Stationary training equipment Part 4: Strength training benches, additional specific safety requirements and test methods (ISO 209574:2016);English version EN ISO 209574:2016,English translation of DIN EN ISO 20957-4:2017-03Stationre Trainingsgerte Teil 4: KraftTrainingsbnke, zustzlic
3、he besondere sicherheitstechnische Anforderungen undPrfverfahren (ISO 209574:2016);Englische Fassung EN ISO 209574:2016,Englische bersetzung von DIN EN ISO 20957-4:2017-03quipement dentranement fixe Partie 4: Bancs pour haltres, exigences spcifiques de scurit et mthodes dessai supplmentaires (ISO 20
4、9574:2016);Version anglaise EN ISO 209574:2016,Traduction anglaise de DIN EN ISO 20957-4:2017-03SupersedesDIN EN 9574:201008www.beuth.deDocument comprises 14 pagesDTranslation by DIN-Sprachendienst.In case of doubt, the German-language original shall be considered authoritative.03.17 DIN EN ISO 2095
5、7-4:2017-03 2 A comma is used as the decimal marker. Start of application The start of application of this standard is 2017-03-01. National foreword This standard includes safety requirements within the meaning of the Produktsicherheitsgesetz (ProdSG) (German Product Safety Act). This document (EN 2
6、0957-4:2016) has been prepared by Technical Committee CEN/TC 136 “Sports, playground and other recreational facilities and equipment”, Working Committee WG 4 “Stationary training equipment” (Secretariat: DIN, Germany). The responsible German body involved in its preparation was DIN-Normenausschuss S
7、port- und Freizeitgert (DIN Standards Committee Sports Equipment), Working Committee NA 112-01-04 AA Trainingsgerte. Where this standard has been identified by the Ausschuss fr Produktsicherheit (German Committee for Product Safety) and reference to it has been published in the Gemeinsames Ministeri
8、alblatt (German Joint Ministerial Gazette) by the Bundesanstalt fr Arbeitsschutz und Arbeitsmedizin (BAuA) (German Federal Institute for Occupational Safety and Health), it is to be presumed that strength training benches which comply with this standard fulfil the relevant health and safety requirem
9、ents. The DIN Standard corresponding to the International Standard referred to in this document is as follows: ISO 20957-1 DIN EN ISO 20957-1 Amendments This standard differs from DIN EN 957-4:2010-08 as follows: a) the standard has been adopted as an EN ISO Standard; b) the formulation has been ali
10、gned with ISO 20957-1; c) Clause 5 “Safety requirements” has been specified and restructured; d) Clause 6 “Test methods” has been specified and restructured; e) normative references have been updated. Previous editions DIN EN 957-4: 1996-08, 2006-09, 2010-08 DIN EN ISO 20957-4:2017-03 3 National Ann
11、ex NA (informative) Bibliography DIN EN ISO 20957-1, Stationary training equipment Part 1: General safety requirements and test methods DIN EN ISO 20957-4:2017-03 4 This page is intentionally blank EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 20957-4 December 2016 ICS 97.220.30 Supersede
12、s EN 957-4:2006+A1:2010English Version Stationary training equipment - Part 4: Strength training benches, additional specific safety requirements and test methods (ISO 20957-4:2016) quipement d entranement fixe - Partie 4: Bancs pour haltres, exigences spcifiques de scurit et mthodes d essai supplme
13、ntaires (ISO 20957-4:2016) Stationre Trainingsgerte - Teil 4: Kraft-Trainingsbnke, zustzliche besondere sicherheitstechnische Anforderungen und Prfverfahren (ISO 20957-4:2016) This European Standard was approved by CEN on 7 November 2016. CEN members are bound to comply with the CEN/CENELEC Internal
14、 Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN
15、 member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versio
16、ns. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Po
17、land, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2016 CEN All rights of exploitatio
18、n in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN ISO 20957-4:2016 EForeword . 3Introduction .51 Scope . 62 Normative references 63 Terms and definitions . 64 Classification 65 Safety requirements . 65.1 General . 65.2 Benches with fixed barbell supports . 65.2.
19、1 Stability of the barbell . 65.2.2 Lateral stability of benches with fixed barbell supports . 75.2.3 Longitudinal stability of benches with fixed barbell supports 75.3 Free-standing barbell supports 75.4 Dimensions of the barbell support 75.5 Barbell support strength and stability . 75.6 Loading 75
20、.7 Barbell support . 86 Test methods .86.1 General . 86.1.1 Dimensional check . 86.1.2 Visual examination . 86.1.3 Performance test 86.2 Testing of rotational stability of the barbell 86.3 Testing of rotational stability of benches with fixed barbell supports . 96.4 Testing of longitudinal stability
21、 96.5 Testing of barbell support strength and stability 97 Test report 10Contents PageEN ISO 20957-4:2016 (E) DIN EN ISO 20957-4:2017-03 2European foreword .2European foreword This document (EN ISO 20957-4:2016) has been prepared by Technical Committee ISO/TC 83 “Sports and other recreational facili
22、ties and equipment” in collaboration with Technical Committee CEN/TC 136 “Sports, playground and other recreational facilities and equipment” the secretariat of which is held by DIN. This European Standard shall be given the status of a national standard, either by publication of an identical text o
23、r by endorsement, at the latest by June 2017, and conflicting national standards shall be withdrawn at the latest by June 2017. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for i
24、dentifying any or all such patent rights. This document supersedes EN 957-4:2006+A1:2010. This document has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association. According to the CEN-CENELEC Internal Regulations, the national standards organiz
25、ations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Ma
26、lta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. Endorsement notice The text of ISO 20957-4:2016 has been approved by CEN as EN ISO 20957-4:2016 without any modification. EN ISO 20957-4:2016 (E) DIN EN ISO 20957-4:201
27、7-03 3 ForewordISO (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 whi
28、ch a technical committee 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 m
29、atters of electrotechnical standardization.The procedures used to develop this document and those intended for its further maintenance are described in the ISO/IEC Directives, Part 1. In particular the different approval criteria needed for the different types of ISO documents should be noted. This
30、document was drafted in accordance with the editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives).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 identifying any or al
31、l such patent rights. Details of any patent rights identified during the development of the document will be in the Introduction and/or on the ISO list of patent declarations received (see www.iso.org/patents).Any trade name used in this document is information given for the convenience of users and
32、 does not constitute an endorsement.For an explanation on the meaning of ISO specific terms and expressions related to conformity assessment, as well as information about ISOs adherence to the World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT) see the following URL: w
33、ww.iso.org/iso/foreword.html.ISO 20957-4 was prepared by the European Committee Standardization (CEN) Technical Committee CEN/TC 136, Sports, playground and other recreational facilities and equipment, in collaboration with ISO Technical Committee TC 83, Sports and other recreational facilities and
34、equipment, in accordance with the agreement on technical cooperation between ISO and CEN (Vienna Agreement).This second edition cancels and replaces the first edition (ISO 20957-4:2005), which has been technically revised with the following changes: publication as an EN ISO; formulation aligned with
35、 ISO 20957-1; Clause 5 “Safety requirements” specified and restructured; Clause 6 “Test methods” specified and restructured; normative references updated.A list of all parts in the ISO 20957 series can be found on the ISO website.EN ISO 20957-4:2016 (E) DIN EN ISO 20957-4:2017-03 4 IntroductionThis
36、document concerns the safety of strength training benches. It is intended to be used in conjunction with ISO 20957-1. The requirements of this document take priority over the requirements in ISO 20957-1.EN ISO 20957-4:2016 (E) DIN EN ISO 20957-4:2017-03 5 1 ScopeThis document specifies safety requir
37、ements for stationary strength training benches and free-standing barbell racks in addition to the general safety requirements of ISO 20957-1. It is intended to be read in conjunction with ISO 20957-1.This document is applicable to stationary training equipment type benches (type 4) (hereinafter ref
38、erred to as benches) with the classes S, H and I according to ISO 20957-1.2 Normative referencesThe following documents are referred to in the text in such a way that some or all of their content constitutes requirements of this document. For dated references, only the edition cited applies. For und
39、ated references, the latest edition of the referenced document (including any amendments) applies.ISO 20957-1, Stationary training equipment Part 1: General safety requirements and test methods3 Terms and definitionsFor the purposes of this document, the terms and definitions given in ISO 20957-1 ap
40、ply.ISO and IEC maintain terminological databases for use in standardization at the following addresses: IEC Electropedia: available at http:/www.electropedia.org/ ISO Online browsing platform: available at http:/www.iso.org/obp4 ClassificationThe classification shall be according to ISO 20957-1.5 S
41、afety requirements5.1 GeneralDepending on the design of the training equipment, the following requirements shall apply as appropriate.5.2 Benches with fixed barbell supports5.2.1 Stability of the barbellOverturning of the barbell by an unequal load shall be prevented either by the distance between t
42、he supports or safety device.Test in accordance with 6.2.EN ISO 20957-4:2016 (E) DIN EN ISO 20957-4:2017-03 6 5.2.2 Lateral stability of benches with fixed barbell supportsBenches with fixed barbell supports shall be stable when loaded with unequal load at right angles to the longitudinal axis.Test
43、in accordance with 6.3.5.2.3 Longitudinal stability of benches with fixed barbell supportsBenches with fixed barbell supports shall be stable in the longitudinal direction with respect to the bench.Test in accordance with 6.4.5.3 Free-standing barbell supportsFree-standing barbell supports shall hav
44、e a device for connecting to the ground.Test in accordance with 6.1.2.5.4 Dimensions of the barbell supportThe front part of the support (yoke), when measured with a (30 1) mm diameter bar, shall have a vertical height of 20 mm to 40 mm (see footnote a in Figure 1) above the lowest point of the rest
45、ing bar and the rear part shall be 80 mm higher than the top of the front of the support (yoke) (see Figure 1).Dimensions in millimetresKeyaVertical height of the barbell support, 20 mm to 40 mm.Figure 1 Dimensions of the barbell supportTest in accordance with 6.1.1.5.5 Barbell support strength and
46、stabilityThe rear part of the barbell support shall absorb the loads without breakage, shall not tip over and shall still function as intended by the manufacturer, when subjected to a non-symmetric barbell impact.Test in accordance with 6.5.5.6 LoadingFor benches classes H, S and I, the intrinsic an
47、d extrinsic loading shall comply with ISO 20957-1.EN ISO 20957-4:2016 (E) DIN EN ISO 20957-4:2017-03 7 5.7 Barbell supportAny part of the equipment intended to support free weights shall be easily accessible to the user while accepting or replacing the barbell.Test in accordance with 6.1.3.6 Test me
48、thods6.1 General6.1.1 Dimensional checkThe measurement shall be done with appropriate measurement devices.6.1.2 Visual examinationThe visual examination shall be done under proper lighting.6.1.3 Performance testThe tested mechanism shall be actuated as intended by the manufacturer.6.2 Testing of rotational stability of the barbellA solid ste
