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1、BRITISH STANDARDStationary training equipmentPart 4. Strength training benches Additional specific safety requirementsand test methodsThe European Standard EN 957-4 : 1996 has the status of aBritish StandardICS 97.220.30| BS EN957-4 : 1997|Licensed Copy: London South Bank University, London South Ba
2、nk University, Sun Mar 19 03:03:54 GMT 2006, Uncontrolled Copy, (c) BSI|NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBS EN 957-4 : 1997Committees responsible for thisBritish StandardThe preparation of this British Standard was entrusted to Technical Committee SW/136, Sports,
3、 playground and other recreational equipment, upon which the following bodies were represented:Consumer Policy Committee of BSI Health and Safety ExecutiveHome OfficeThe following bodies were also represented in the drafting of the standard, through subcommittees and panels:Association of British Co
4、mmercial Gymnasium Equipment ManufacturersAssociation of Consulting ScientistsBritish Association of Advisers and Lecturers in Physical EducationBritish Retail ConsortiumBritish Sports and Allied Industries FederationCentral Young Mens Christian Association (Centymca)Department of Trade and Industry
5、 (Consumer Safety Unit, CA Division) Fitness Industry AssociationInstitute of Leisure and Amenity Management Institute of Trading Standards Administration Sports CouncilThis British Standard, having been prepared under the direction of the Consumer Products and Services Sector Board, was published u
6、nder the authority of the Standards Board and comes into effect on15 March 1997Licensed Copy: London South Bank University, London South Bank University, Sun Mar 19 03:03:54 GMT 2006, Uncontrolled Copy, (c) BSIBSI 1997The following BSI references relate to the work on this standard:Committee referen
7、ce SW/136Draft for comment 93/300488 DCISBN 0 580 26718 0Amd. No.DateText affectedAmendments issued since publicationLicensed Copy: London South Bank University, London South Bank University, Sun Mar 19 03:03:54 GMT 2006, Uncontrolled Copy, (c) BSIBS EN 957-4 : 1997ContentsPage Committees responsibl
8、e Inside front cover National foreword ii Foreword 2Text of EN 957-43BSI 1997iBS EN 957-4 : 1997National forewordThis British Standard has been prepared by Technical Committee SW/136 and is the English language version of EN 957-4 : 1996 Stationary training equipment Part 4: Strength training benche
9、s, additional specific safety requirements and test methods, published by the European Committee for Standardization (CEN).EN 957-4 was produced as a result of international discussions in which the UnitedKingdom took an active part.Cross-referencesPublication referred to Corresponding British Stand
10、ardBS EN 957 Stationary training equipmentiiBSI 1997EN 957-1 : 1996Part 1 : 1997 General safety requirements and test methodsLicensed Copy: London South Bank University, London South Bank University, Sun Mar 19 03:03:54 GMT 2006, Uncontrolled Copy, (c) BSIEN 957-2 : 1996Part 2 : 1997 Strength traini
11、ng equipment Additional specific safety requirements and test methodsCompliance with a British Standard does not of itself confer immunity from legal obligations.Summary of pagesThis document comprises a front cover, an inside front cover, pages i and ii, the ENtitle page, pages 2 to 6, an inside ba
12、ck cover and a back cover.EUROPEAN STANDARDEN 957-4NORME EUROPE ENNEEUROPA ISCHE NORMMay 1996ICS 97.220.30Descriptors: sport equipment, gymnastic equipment, fixed equipment, benches, safety, specifications, testsEnglish versionStationary training equipment Part 4: Strength training benches, addition
13、al specific safety requirements and test methodsAppareils dentranement fixes Partie 4: Bancs pour halte res, exigences spe cifiques de se curite et me thodes dessai supple mentairesStationa re Trainingsgera te Teil 4: Kraft-Trainingsba nke, zusa tzliche besondere sicherheitstechnische Anforderungen
14、undPru fverfahrenThis European Standard was approved by CEN on 1996-04-19. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration.Up-to-date lists and bibliogr
15、aphical references concerning such national standards may be obtained on application to the Central Secretariat or to any CEN 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 C
16、EN member into its own language and notified to the Central Secretariat has the same status as the official versions.CEN members are the national standards bodies of Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain
17、, Sweden, Switzerland and United Kingdom.CENEuropean Committee for Standardization Comite Europe en de Normalisation Europa isches Komitee fu r NormungCentral Secretariat: rue de Stassart 36, B-1050 BrusselsLicensed Copy: London South Bank University, London South Bank University, Sun Mar 19 03:03:5
18、4 GMT 2006, Uncontrolled Copy, (c) BSI1996 Copyright reserved to CEN membersRef. No. EN 957-4 : 1996 EPage 5EN 957-4 : 1996BSI 1997ForewordThis European Standard has been prepared by theTechnical Committee CEN/TC 136, Sports, playgroundContentsPageLicensed Copy: London South Bank University, London
19、South Bank University, Sun Mar 19 03:03:54 GMT 2006, Uncontrolled Copy, (c) BSIand other recreational 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 or by endorsement, at the lates
20、t byNovember 1996, and conflicting national standards shall be withdrawn at the latest by November 1996.This standard consists of the following Parts:EN 957-1:General safety requirements and test methodsEN 957-2:Strength training equipment, additional specific safety requirements and test methodsEN
21、957-4:Strength training benches, additional specific safety requirements and test methodsEN 957-5:Pedal crank training equipment, additional specific safety requirements and test methodsprEN 957-6:Tread mills, additional specific safety requirements and test methodsprEN 957-7:Rowing machines, additi
22、onal specific safety requirements and test methodsprEN 957-8:Stair climbers and steppers, additional specific safety requirements and test methodsThis Part of EN 957 should be read in conjunction with EN 957-1.The design of strength training benches need not comply with the figures in this Part of E
23、N 957.According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spa
24、in, Sweden, Switzerland and the United Kingdom.Foreword 2Introduction 31 Scope 32 Normative references 33 Definitions 34 Classification 35 Safety requirements 36 Test methods 47 Additional instructions for use 4Licensed Copy: London South Bank University, London South Bank University, Sun Mar 19 03:
25、03:54 GMT 2006, Uncontrolled Copy, (c) BSIIntroductionThis Part of EN 957 concerns the safety of strength training benches.It amends and supplements EN 957-1. The requirements of this specific standard take priority over those in the general standard.1 ScopeThis Part of EN 957 specifies safety requi
26、rements for stationary strength training benches and free-standing barbell racks used to perform exercises during use, in addition to the general safety requirements of EN 957-1.This Part of EN 957 is applicable to stationary training equipment type benches (type 4) (hereinafter referred to as bench
27、es) with the classes S and H.2 Normative referencesThis European Standard incorporates by dated or undated reference, provisions from other publications. These normative references are cited at the appropriate places in the text and the publications are listed hereafter. For dated references, subseq
28、uent amendments to or revisions of any of these publications apply to this European Standard onlywhen incorporated in it by amendment or revision. For undated references the latest edition of the publication referred to applies.EN 957-1 : 1996 Stationary training equipment Part 1: General safety req
29、uirements and test methodsEN 957-2 : 1996 Stationary training equipment Part 2: Strength training equipment, additional specific safety requirements and test methods3 DefinitionsFor the purposes of this standard, the definitions ofEN 957-1 apply.4 ClassificationClause 4 of EN 957-1 : 1996 applies.5
30、Safety requirements5.1 GeneralDepending on the design of the piece of training equipment, the following requirements shall apply as appropriate.5.2 Benches with fixed barbell supports5.2.1 Rotational stability of the barbellOverturning of the barbell by an unequal load shall be prevented either by t
31、he distance between the supports or by a safety device.Test in accordance with 6.2.5.2.2 Rotational 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 in accordance with 6.3.5
32、.2.3 Longitudinal stabilityBenches with fixed barbell supports shall be stable in the longitudinal direction.Test in accordance with 6.4.5.3 Free-standing barbell supports in conjunction with benchesFree-standing barbell supports in conjunction with benches shall have a device for connecting to the
33、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 mm diameter bar, shall have a vertical height of 20 mm to 40 mm (a) above the lowest point of the resting bar, and the rear part shall be at least 80 mm higher than
34、 the top of the front of the support (yoke) (see figure 1).Test in accordance with 6.1.1.Keya) 20 to 40Dimensions in millimetresFigure 1. Dimensions of the barbell support5.5 Barbell support strengthThe rear part of the barbell support shall absorb the loads of normal use without impairment of the p
35、erformance and without breakage.Test in accordance with 6.5.5.6 LoadingLoading for benches of types H and S shall comply with 5.2 of EN 957-2 : 1996.5.7 Barbell supportAny part of the equipment intended to support free weights shall be easily accessible to the user while accepting or replacing the b
36、arbell.Test in accordance with 6.1.4.6 Test methods6.1 General6.1.1 Dimensional check6.1.2 Visual examination6.1.3 Tactile examination6.1.4 Performance test6.2 Testing of rotational stability of the barbellPlace a solid steel bar (1600 mm long and with a diameter of 30 mm maximum) centrally on the b
37、arbell supports. Then place one weight disk (10 kg forclass H, 20 kg for class S) on one side of the bar, with mid-plane of the disk positioned 200 mm from the end of the bar; see figure 2.Dimensions in millimetresFigure 2. Stability test under unequal load6.3 Testing of rotational stability of benc
38、hes with fixed barbell supportsTest as specified in 6.2, but with the barbell fixed.6.4 Testing of longitudinal stabilityPosition the bench on a 10 slope and place a barbell loaded in accordance with the manufacturers maximum load, but with a minimum of 50 kg, on the barbell support in the highest p
39、osition.6.5 Testing of barbell support strengthHit the back part of the yoke in a distance of (4010) mm from the top of that part with the pendulum (see detail figure 4).Repeat the test procedure (see figure 4) 10 times.6.6 Test reportThe test report shall include at least the following information:
40、a) name and address of testing laboratory, and location where the test was carried out when different from the address of the test laboratory;b) unique identification of report (such as serial number) and of each page, and total number of pages of the report;c) name and address of client;d) descript
41、ion and identification of the test item;e) date of receipt of test item and date(s) of performance of test;f) identification of the test specification or description of the method or procedure;g) description of sampling procedure, where relevant;h) any deviations, additions or exclusions from the te
42、st specification, and any other information relevant to a specific test;i) measurements, examinations and derived results, supported by tables, graphs, sketches and photographs as appropriate, and any failures identified;j) a statement on measurement uncertainty (where relevant);k) a signature and t
43、itle, or an equivalent marking, of person(s) accepting technical responsibility for the test report and date of issue;l) a statement to the effect that the test results relate only to the items tested.7 Additional instructions for useIn addition to the instructions for use in EN 957-1, the manufacturer shall provide instructions for the safe use of free-standing barbell supports.Licensed Copy: London South Bank University, London South Bank University, Sun Mar 19 03:03:54 GMT 2006, Uncontrolled Copy, (c) BSIFigure 3
