SAE-J1052-Motor-Vehicle-Driver-and-Passenger-Head-

SAETechnicalStandardsBoardRulesprovidethat:“ThisreportispublishedbySAEtoadvancethestateoftechnicalandengineeringsciences.Theuseofthisreportisentirelyvoluntary,anditsapplicabilityandsuitabilityforanyparticularuse,includinganypatentinfringementarisingtherefrom,isthesoleresponsibilityoftheuser.”SAEreviewseachtechnicalreportatleasteveryfiveyearsatwhichtimeitmaybereaffirmed,revised,orcancelled.SAEinvitesyourwrittencommentsandsuggestions.Copyright©2002SocietyofAutomotiveEngineers,Inc.Allrightsreserved.Nopartofthispublicationmaybereproduced,storedinaretrievalsystemortransmitted,inanyformorbyanymeans,electronic,mechanical,photocopying,recording,orotherwise,withoutthepriorwrittenpermissionofSAE.TOPLACEADOCUMENTORDER:Tel:[phone](insideUSAandCanada)Tel:[phone](outsideUSA)Fax:[phone]Email:[e-mail]:(R)MotorVehicleDriverandPassengerHeadPositionForeword—ChangesforthisRevision—ThisdocumenthasbeenmodifiedtoreflectthechangestoSAEJ941eyellipses.Theactualgeometry–sizeandshape–oftheheadpositioncontoursremainsthesame.However,thelocationoftheheadcontoursinClassAvehicleshasbeenshiftedupwardandrearward,andtheprocedureforpositioningthecontourshasbeenmodified.Inthepriorversionofthispractice,contourswerelocatedrelativetoSgRPasafunctionofmanufacturer’sdesignbackangle.Inthisversion,contoursarepositionedeitherrelativetothecentroidofthecorrespondingeyellipse,orrelativetovehiclegrid.Theadjustableseatheadcontoursarenolongerlocatedasafunctionofdesignbackangle.Also,thesideviewangleoftheadjustableseatheadcontourisinclinedmoredownwardatthefront.Forthefirsttime,headpositioncontourshavebeendefinedforthefrontcenterseatlocation,andforafrontoutboardseatlocationhavingfixed(nonfore/aftadjustable)seats.TheprocedureforClassBvehicleswasnotchanged.InformationaboutthedevelopmentoftheheadpositioncontoursisgiveninAppendixA.TABLEOFCONTENTS1.Scope.......................................................................................................................................................22.References...............................................................................................................................................23.UsingtheHeadPositionContoursinDesign..........................................................................................24.SelectingtheCorrectHeadPositionContour...........................................................................................35.HeadPositionContourGeometry.............................................................................................................36.LocatingHeadPositionContoursinClassAVehicles.............................................................................47.AssessingHeadClearance......................................................................................................................58.Notes........................................................................................................................................................8AppendixADevelopmentofHeadPositionContours.................................................................................................9AppendixBProcedureforClassBVehicles..............................................................................................................12SAEJ1052RevisedAUG2002-2-1.Scope—ThisSAERecommendedPracticedescribesheadpositioncontoursandproceduresforlocatingthecontoursinavehicle.HeadpositioncontoursareusefulinestablishingaccommodationrequirementsforheadspaceandarerequiredforseveralmeasuresdefinedinSAEJ1100.Separatecontoursaredefineddependingonoccupantseatlocationandthedesiredpercentage(95and99)ofoccupantaccommodation.ThisdocumentisprimarilyfocusedonapplicationtoClassAvehicles(seeSAEJ1100),whichincludemostpersonal-usevehicles(passengercars,sportutilityvehicles,pick-uptrucks).AprocedureforuseinClassBvehiclescanbefoundinAppendixB.2.References2.1ApplicablePublications—Thefollowingpublicationsformapartofthisspecificationtotheextentspecifiedherein.Unlessotherwisespecified,thelatestissueofSAEpublicationsshallapply.2.1.1SAEPUBLICATIONS—AvailablefromSAE,400CommonwealthDrive,Warrendale,PA15096-0001.SAEJ941—MotorVehicleDrivers’EyeLocationsSAEJ1052MAY87—MotorVehicleDriverandPassengerHeadPositionSAEJ1052APR97—MotorVehicleDriverandPassengerHeadPositionSAEJ1100—MotorVehicleDimensionsSAEJ1516—AccommodationToolReferencePointSAEJ1517—DriverSelectedSeatPositionSAEPaper650464—J.F.Meldrum(1965),“AutomobileDriverEyePosition,”SAEMid-YearMeeting,Chicago,ILSAEPaper720200—D.C.HammondandR.W.Roe(1972),“DriverHeadAndEyePositions,”SAEAnnualCongress,Detroit,MISAEPaper750356—R.W.Roe(1975),“DescribingtheDriver'sWorkspace:Eye,Head,Knee,andSeatPositions,”SAEAnnualCongress,Detroit,MISAEPaper852317(inSAESpecialPub.712)—N.L.PhilippartandT.J.Keuchenmeister(1985),“DescribingtheTruckDriverWorkspace”,SAETruck&BusMeeting,Chicago,IL2.1.2UMTRIPUBLICATION—AvailablefromUMTRI,R