Designation:F2090−10StandardSpecificationforWindowFallPreventionDevicesWithEmergencyEscape(Egress)ReleaseMechanisms1ThisstandardisissuedunderthefixeddesignationF2090;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.INTRODUCTIONThisconsumersafetyspecificationaddresseswindowfallpreventiondevicesthatprotectagainstpotentialfallsbychildrenagedfiveyearsandunderthroughopenwindows.Windowfallpreventiondevicescurrentlyavailableincludewindowopeningcontroldevices,windowfallpreventionscreens,andsometypesofwindowguards.Thesedevicesusedifferentstrategiestopreventchildrenfromfallingthroughopenwindows.Windowopeningcontroldevicesrestrictthesizeoftheopenareaofthewindowsothatitistoosmallforayoungchildtofallthrough.Theydothisbyallowingthewindowopeningtobesetatapredeterminedposition.Windowfallpreventionscreensandfallpreventionwindowguardsprovideabarriertopreventachildfromfallingthroughanopenwindow.Aspecialstudy2bytheU.S.ConsumerProductSafetyCommission(CPSC)indicatesthatyoungchildrenareatriskofdeathandseriousinjuryfromfallsthroughopenwindows.Childrenagedfiveandyoungeraccountforahigherpercentageofwindowfallfatalitiesandinjuries.3Windowfallpreventiondevicesusuallydifferinpurposeandapplicationfromsecurity/burglarbars.Thegeneralpurposeofawindowfallpreventiondeviceistopreventachildagefiveoryoungerfromfallingthroughanopenwindow.Thegeneralpurposeofasecuritybaristopreventunlawfulentrythroughawindow.Generallywindowfallpreventiondevicesandsecuritybarsaretwoseparatedevices.However,asecuritybarcouldbeusedasafallpreventiondeviceifitmeetstherequirementsofthisspecification.TheCPSChasadvisedcaregiverstoopenwindowslessthan4in.whenchildrenarepresentasonemeanstopreventchildfallsthroughopenwindows.Windowopeningcontroldevicesprovideameansthatthewindow,whenopenedinaninitialoperation,willsatisfytheCPSCr...
