fmvss201

R–DISTRIBUTED:Dec.1999FEDERALSAFETYSTANDARDSMVSS201MOTORVEHICLESAFETYSTANDARDNO.201OCCUPANTPROTECTIONININTERIORIMPACT.GMREFERENCEMANUAL–LEGALSTANDARDS201-1-1A–NewMaterialAddedR–RevisedEFFECTIVE–JANUARY1,198036FR2294312/2/71(Issued12/2)44FR6847511/29/79(Issued11/20)47FR52450-111/22/82(Issued11/15)56FR26036-396/6/91(Issued5/31/91)60FR43031-618/18/95(Issued8/14/95)62FR16718-364/8/97(Issued4/1/97)63FR27-281/2/98(Issued12/4/97)63FR41451-668/4/98(Issued7/29/98)63FR45959-658/28/98(Issued8/25/98)64FR7139-402/12/99(Issued1/26/99)A64FR69665-7212/14/99(Issued12/6/99)S1.Purposeandscope.Thisstandardspecifiesrequirementstoaffordimpactprotectionforoccupants.S2.Application.Thisstandardappliestopassengercarsandtomultipurposepassengervehicles,trucks,andbuseswithaGVWRof4,536kilogramsorless,exceptthattherequirementsofS6donotapplytobuseswithaGVWRofmorethan3,860kilograms.S3.Definitions.A–pillarmeansanypillarthatisentirelyforwardofatransverseverticalplanepassingthroughtheseatingreferencepointofthedriver’sseat.Ambulancemeansamotorvehicledesignedexclusivelyforthepurposeofemergencymedicalcare,asevidencedbythepresenceofapassengercompartmenttoaccommodateemergencymedicalpersonnel,oneormorepatientsonlittersorcots,andequipmentandsuppliesforemergencycareatalocationorduringtransport.B–pillarmeanstheforwardmostpillaroneachsideofthevehiclethatis,inwholeorpart,rearwardofatransverseverticalplanepassingthroughtheseatingreferencepointofthedriver’sseat,unlessthereisonlyonepillarrearwardofthatplaneanditisalsoarearmostpillar.Bracemeansafixeddiagonalstructuralmemberinanopenbodyvehiclethatisusedtobracetheroll–barandthatconnectstheroll–bartothemainbodyofthevehiclestructure.ConvertiblemeansavehiclewhoseA–pillarsarenotjoinedwiththeB–pillars(orrearmostpillars)byafixed,rigidstructuralmember.Convertibleroofframemeanstheframeofaconvertibleroof.Convertiblerooflinkagemechanismmeansanyanchorage,fastener,ordevicenecessarytodeployaconvertibleroofframe.Daylightopeningmeans,foropeningsonthesideofthevehicle,otherthanadooropening,thelocusofallpointswhereahorizontalline,perpendiculartothevehiclelongitudinalcenterline,istangenttotheperipheryoftheopening.Foropeningsonthefrontandrearofthevehicle,otherthanadooropening,daylightopeningmeansthelocusofallpointswhereahorizontalline,paralleltothevehiclelongitudinalcenterline,istangenttotheperipheryoftheopening.Ifthehorizontallineistangenttotheperipheryatmorethanonepointatanylocation,themostinboardpointisusedtodeterminethedaylightopening.Dooropeningmeans,fordooropeningsonthesideofthevehicle,thelocusofallpointswhereahorizontalline,perpendiculartothevehiclelongitudinalcenterline,istangenttotheperipheryofthesidedooropening.Fordooropeningsonthebackendofthevehicle,dooropeningmeansthelocusofallpointswhereahorizontalline,paralleltothevehiclelongitudinalcenterline,istangenttotheperipheryofthebackdooropening.Ifthehorizontallineistangenttotheperipheryatmorethanonepointatanylocation,themostinboardpointisthedooropening.Dynamicallydeployedupperinteriorheadprotectionsystemmeansaprotectivedeviceordeviceswhichareintegratedintoavehicleandwhich,whenactivatedbyanimpact,provide,throughmeansrequiringnoactionfromoccupants,protectionagainstheadimpactswithR–DISTRIBUTED:August1998FEDERALSAFETYSTANDARDSMVSS201MOTORVEHICLESAFETYSTANDARDNO.201OCCUPANTPROTECTIONININTERIORIMPACT.GMREFERENCEMANUAL–LEGALSTANDARDS201-1-2A–NewMaterialAddedR–Revisedupperinteriorstructuresandcomponentsofthevehicleincrashes.ForeheadimpactzonemeansthepartofthefreemotionheadformsurfaceareathatisdeterminedinaccordancewiththeproceduresetforthinS8.10.Freemotionheadformmeansatestdevicewhichconformstothespecificationsofpart572,subpartLofthischapter.Mid–sagittalplaneofadummymeansalongitudinalverticalplanepassingthroughtheseatingreferencepointofadesignatedseatingposition.MotorHomemeansamotorvehiclewithmotivepowerthatisdesignedtoprovidetemporaryresidentialaccommodations,asevidencedbythepresenceofatleastfourofthefollowingfacilities:Cooking;refrigerationoricebox;self–containedtoilet;heatingand/orairconditioning;apotablewatersupplysystemincludingafaucetandasink;andaseparate110–125voltelectricalpowersupplyand/oranLPgassupply.OtherpillarmeansanypillarwhichisnotanA–pillar,aB–pillar,orarearmostpillar.Pillarmeansanystructure,excludingglazingandtheverticalportionofdoorwindowframes,butincludingaccompanyingmoldings,attachedcomponentssuchassafetybeltanchoragesandcoathooks,which:.(1)Supportseitherarooforanyotherstructure(suchasaroll–bar)thatisabovethedriver’shead,or(2)Islocatedalongthesideedgeofawindow.Roll–barmeansafixedoverheadstructuralmember,includingitsverticalsupportstructure,thatextendsfromthelefttotherightsideofthepassengercompartmentofanyopenbodyvehiclesandconvertibles.Itdoesnotincludeaheader.Seatbeltanchoragemeansanycomponentinvolvedintransferringseatbeltloadstothevehiclestructure,including,butnotlimitedto,theattachmenthardware,butexcludingwebbingorstraps,seatframes,seatpedestals,andthevehiclestructureitself,whosefailurecausesseparationofthebeltfromthevehiclestructure.Slidingdoortrackmeansatr