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《fmvss 571.202 standard no. 202》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。
1、§571.20249CFRCh.V(10–1–03Edition)[62FR16725,Apr.8,1997;63FR28,Jan.2,§571.202StandardNo.202;Headre-1998;63FR41464,Aug.4,1998;63FR45965,straints.Aug.28,1998;64FR7140,Feb.12,1999;64FR69671,Dec.14,1999;67FR41354,June18,2002;S1.Purposeandscope.Thisstandard68FR51711,Aug.28,20
2、03]specifiesrequirementsforheadre-straintstoreducethefrequencyandEFFECTIVEDATENOTE:At67FR79439,Dec.severityofneckinjuryinrear-endand23,2002,§571.201wasamendedbyremovingthedefinitionofmotorhomeinS3,Defini-othercollisions.tions,effectiveDec.27,2004.S2.Application.Thisstan
3、dardap-pliestopassengercars,andtomulti-purposepassengervehicles,trucksandbuseswithaGVWRof4,536kgorless.474VerDatejul<14>200309:13Dec08,2003Jkt200207PO00000Frm00474Fmt8010Sfmt8010Y:SGML200207T.XXX200207TER08AP97.009Nat’lHighwayTrafficSafetyAdmin.,DOT§571.202S3.De
4、finitions.Headrestraintmeansa(a)Ontheexteriorprofileoftheheaddevicethatlimitsrearwardangularandtorsoofadummyhavingthedisplacementoftheoccupantsheadweightandseatedheightofa95thper-relativetohistorsoline.centileadultmalewithanapprovedS4.Requirements.representationofahuman
5、,articulatedS4.1Eachpassengercarshallcom-neckstructure,oranapprovedequiva-plywithS4.3.lenttestdevice,establishreferenceS4.2Eachtruck,multipurposepas-linesbythefollowingmethod:sengervehicleandbuswithaGVWRof(1)Positionthedummysbackona4,536kgorless,shallcomplywithS4.3.hori
6、zontalflatsurfacewiththelumbarS4.3Performancelevels.Exceptforjointsinastraightline.schoolbuses,aheadrestraintthatcon-(2)Rotatetheheadofthedummyformstoeither(a)or(b)shallbepro-rearwarduntilthebackoftheheadvidedateachoutboardfrontdes-contactsthesameflathorizontalsur-ignat
7、edseatingposition.Forschoolfaceinparagraph(1).buses,aheadrestraintthatconforms(3)PositiontheSAEJ826two-di-toeither(a)or(b)shallbeprovidedformensionalmanikinsbackagainstthethedriversseatingposition.flatsurfaceinS5.1(a)(1),alongsidethe(a)Itshall,whentestedinaccord-dummywi
8、ththeh-pointoftheman-ancewithS5.1,duringaforwardaccel-ikinalignedwiththeh-pointoftheerationofatleast78m/s2onth
