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55049CFRCh.V(10–1–05Edition)§571.204S5.1Exceptasprovidedinthispara-graph,thesteeringcontrolsystemofanyvehicletowhichthisstandardap-pliesshallbeimpactedinaccordancewithS5.1(a).However,thesteeringcon-trolsystemofanysuchvehiclemanu-facturedonorbeforeAugust31,1996,maybeimpactedinaccordancewithS5.1(b).(a)Whenthesteeringcontrolsystemisimpactedbyabodyblockinaccord-ancewithSAERecommendedPracticeJ944JUN80SteeringControlSystem—PassengerCar—LaboratoryTestProce-dure,atarelativevelocityof24km/h,theimpactforcedevelopedonthechestofthebodyblocktransmittedtothesteeringcontrolsystemshallnotexceed11,120N,exceptforintervalswhosecumulativedurationisnotmorethan3milliseconds.(b)WhenthesteeringcontrolsystemisimpactedinaccordancewithSocietyofAutomotiveEngineersRec-ommendedPracticeJ944,‘‘SteeringWheelAssemblyLaboratoryTestPro-cedure,’’December1965,oranapprovedequivalent,atarelativevelocityof24km/h,theimpactforcedevelopedonthechestofthebodyblocktrans-mittedtothesteeringcontrolsystemshallnotexceed11,120N,exceptforin-tervalswhosecumulativedurationisnotmorethan3milliseconds.S5.2Thesteeringcontrolsystemshallbesoconstructedthatnocompo-nentsorattachments,includinghornactuatingmechanismsandtrimhard-ware,cancatchthedriver’sclothingorjewelryduringnormaldrivingmaneu-vers.NOTE:Thetermjewelryreferstowatches,rings,andbraceletswithoutlooselyattachedordanglingmembers.[36FR22902,Dec.2,1971,asamendedat44FR68475,Nov.29,1979;47FR47842,Oct.28,1982;58FR26527,May4,1993;58FR63304,Dec.1,1993;63FR28935,May27,1998;63FR51003,Sept.24,1998]§571.204StandardNo.204;Steeringcontrolrearwarddisplacement.S1.Purposeandscope.Thisstandardspecifiesrequirementslimitingtherearwarddisplacementofthesteeringcontrolintothepassengercompart-menttoreducethelikelihoodofchest,neck,orheadinjury.S2.Application.Thisstandardappliestopassengercarsandtomultipurposepassengervehicles,trucks,andbuses.However,itdoesnotapplytowalk-invans.S3.Definitions.Steeringcolumnmeansastructuralhousingthatsurroundsasteeringshaft.Steeringshaftmeansacomponentthattransmitssteeringtorquefromthesteeringwheeltothesteeringgear.S4Requirements.S4.1VehiclesmanufacturedbeforeSeptember1,1991.Whenapassengercaroratruck,bus,ormultipurposepas-sengervehiclewithagrossvehicleweightratingof10,000poundsorlessandanunloadedvehicleweightof4,000poundsorlessistestedunderthecon-ditionsofS5ina30mileperhourper-pendicularimpactintoafixedcollisionbarrier,theupperendofthesteeringcolumnandshaftinthevehicleshallnotbedisplacedmorethan5inchesinahorizontalrearwarddirectionpar-alleltothelongitudinalaxisoftheve-hicle.Theamountofdisplacementshallbemeasuredrelativetoanundis-turbedpointonthevehicleandshallrepresentthemaximumdynamicmovementoftheupperendofthesteeringcolumnandshaftduringthecrashtest.S4.2VehiclesmanufacturedonorafterSeptember1,1991.Whenapassengercaroratruck,busormultipurposepas-sengervehiclewithagrossvehicleweightratingof4,536kgorlessandanunloadedvehicleweightof2,495kgorlessistestedundertheconditionsofS5ina48km/hperpendicularimpactintoafixedcollisionbarrier,theupperendofthesteeringcolumnandshaftinthevehicleshallnotbedisplacedmorethan127mminahorizontalrearwarddirectionparalleltothelongitudinalaxisofthevehicle.Theamountofdis-placementshallbemeasuredrelativetoanundisturbedpointonthevehicleandshallrepresentthemaximumdy-namicmovementoftheupperendofthesteeringcolumnandshaftduringthecrashtest.S5.Testconditions.Therequire-mentsofS4shallbemetwhentheve-hicleistestedinaccordancewiththefollowingconditions.S5.1Thevehicle,includingtestde-vicesandinstrumentation,isloadedtoitsunloadedvehicleweight.VerDateAug31200511:50Nov02,2005Jkt205212PO00000Frm00560Fmt8010Sfmt8010Y:\SGML\205212.XXX205212551Nat’lHighwayTrafficSafetyAdmin.,DOT§571.205S5.2Adjustablesteeringcontrolsareadjustedsothatatiltingsteeringwheelhubisatthegeometriccenterofthelocusitdescribeswhenitismovedthroughitsfullrangeofdrivingposi-tions.Atelescopingsteeringcontrolissetattheadjustmentpositionmidwaybetweentheforwardmostandrearwardmostposition.S5.3Convertiblesandopen-bodytypevehicleshavethetop,ifany,inplaceintheclosedpassengercompart-mentconfiguration.S5.4Doorsarefullyclosedandlatchedbutnotlocked.S5.5Thefueltankisfilledtoanylevelfrom90to95percentofcapacity.S5.6Theparkingbrakeisdis-engagedandthetransmissionisinneu-tral.S5.7Tiresareinflatedtothevehiclemanufacturer’sspecifications.[52FR44897,Nov.23,1987,asamendedat63FR28935,May27,1998;63FR51003,Sept.24,1998]§571.205StandardNo.205,Glazingmaterials.S1.Scope.Thisstandardspecifiesre-quirementsforglazingmaterialsforuseinmotorvehiclesandmotorvehi-cleequipment.S2.Purpose.Thepurposeofthisstandardistoreduceinjuriesresultingfromimpacttoglazingsurfaces,toen-sureanecessarydegreeoftrans-parencyinmotorvehiclewindowsfordrivervisibility,andtominimizethepossibilityofoccupantsbeingthrownthroughthevehiclewindowsincolli-sions.S3.ApplicationandIncorporationbyReference.S3.1Application.(a)Thisstandardappliestopassengercars,multipurposepassengervehicles,trucks,buses,motorcycles,slide-incampers,pickupcoversdesignedtocarrypersonswhileinmotionandlowspeedvehicles,andtogla
本文标题:FMVSS 571.204 steering control rearward displaceme
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