Designation:F1447−12AnAmericanNationalStandardStandardSpecificationforHelmetsUsedinRecreationalBicyclingorRollerSkating1ThisstandardisissuedunderthefixeddesignationF1447;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisspecificationcoversperformancerequirementsforhelmetsmanufacturedforusebyrecreationalbicyclistsorrollerskaters.Thisspecificationrecognizesthedesirabilityoflightweightconstructionandventilation;however,itisaperformancestandardandisnotintendedtorestrictdesign.1.2AlltestingandrequirementsofthisspecificationshallbeinaccordancewithTestMethodsF1446,exceptwherenotedherein.1.3Partialutilizationofthisspecificationisprohibited.Anystatementofcompliancewiththisspecificationshallbeacertificationthattheproductmeetsalloftherequirementsofthespecificationinitsentirety.Aproductthatfailstomeetanyoneoftherequirementsofthisspecificationisconsideredtohavefailedthestandardandshouldnotbesoldwithanyindicationthatitmeetspartsofthestandard.2.ReferencedDocuments2.1ASTMStandards:2F1446TestMethodsforEquipmentandProceduresUsedinEvaluatingthePerformanceCharacteristicsofProtectiveHeadgearF2043ClassificationforBicycleUsage3.Terminology3.1DefinitionsofTermsSpecifictoThisStandard:3.1.1recreationalbicycling,n—bicyclinginconditionsuptoCondition3asspecifiedinClassificationF2043.3.1.2in-lines,n—rollerskateswithallwheelsoneachskatearrangedalongasinglelongitudinalline.3.1.3quads,n—rollerskateswithfourwheelsoneachskatearrangedinarectangularpattern.3.1.4recreationalrollerskating,n—skatinghorizontallyusingquadsorin-linesbutnotrollerhockeyortrickrollerskatingsuchasrampjumping,slidingsideways,orskatingonstairs.4.Headforms4.1HeadformstobeusedinthisspecificationareasspecifiedinthesectiononTestHeadformsofTestMethodsF1446,usingthevariablemassdropassemblyconfiguration.Theapprop...
