Designation:F977−12StandardConsumerSafetySpecificationforInfantWalkers1ThisstandardisissuedunderthefixeddesignationF977;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.INTRODUCTIONThisconsumersafetyspecificationaddresseswalkerincidentsthatwereidentifiedbytheU.S.ConsumerProductSafetyCommission(CPSC).BasedondatacollectedbytheCPSC,themajorityofincidentsinvolvedchildrenfallingdownstairsorstepsinwalkers.Otherincidentsinvolvedchildrentippingoverinwalkersoraccessinghotsurfacesorliquids.Theinjuriesassociatedwiththeseincidentsrangedfromcutsandbruisestoburns,skullfractures,anddeaths.Mostofthechildreninjuredwereunder15monthsold.InresponsetotheincidentdataprovidedbytheCPSC,thisconsumersafetyspecificationattemptstominimizetheriskofinjuryordeathassociatedwithchildreninwalkersfallingdownstairsorbetweenlevels,ortippingover.Italsocontainsprovisionstoaddresstheriskofinjuryassociatedwithwalkerseatingsystemsandfoldingmechanisms.1.Scope1.1Thisconsumersafetyspecificationcoversperformancerequirements,testmethods,andmarkingrequirementstopromotesafeuseoftheinfantwalker(see3.1).1.2Thisconsumersafetyspecificationisintendedtomini-mizeaccidentstochildrenresultingfromnormaluseandreasonablyforeseeablemisuseorabuseofwalkers.1.3Nowalkerproducedaftertheapprovaldateofthisconsumersafetyspecificationshall,eitherbylabelorothermeans,indicatecompliancewiththisspecificationunlessitconformstoallrequirementscontainedherein.1.4Thisconsumersafetyspecificationisnotintendedtoaddressaccidentsandinjuriesresultingfromtheinteractionofotherpersonswiththechildinthewalkerortheaccidentsresultingfromabuseandmisusebychildrenabletowalk.1.5Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.TheSIunitsgiveninparenthesesareforinformationonly.1.6Thefollowingprecautionarycaveatpertainsonlytothetestmethodportio...