SAE J 4004 : 2008

POSITIONING THE H-POINT DESIGN TOOL - SEATING REFERENCE POINT AND SEAT TRACK LENGTH

SAE International

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Foreword
1 Scope
  1.1 Rationale
2 References
  2.1 Applicable Publications
  2.2 Related Publications
3 Definitions
  3.1 SAE J1100 Definitions
  3.2 SAE J4004 Definitions
4 Determining the Driver Seating Reference Point and
  Positioning the HPD
  4.1 Overview of Design Procedures
  4.2 Driver Designated Seating Position Design Procedure
5 Driver Seat Track Accommodation for a U.S. Driver
  Population
  5.1 Determine H-point Reference X Position
  5.2 Determine Seat Track Length
  5.3 Position H-point Travel Path in Vehicle
  5.4 Position Seat Track in Vehicle
6 Design Procedures for 2nd or 3rd Row Outboard Seating
  Positions
  6.1 Determine the Initial Target Values
  6.2 Establish Seat Positions
  6.3 Position HPD (Cushion and Back Pan Assemblies),
       Determine SgRP
  6.4 Position Shoe Tool
  6.5 Position Thigh and Lower Leg
  6.6 Short-coupled Seating
  6.7 Determine Dimensions
Appendix A Model Description and Applications for Other
           Driver Populations
  A.1 Background
  A.2 Model Description
  A.3 Tolerance
  A.4 Procedure
Appendix B HPD Specification and Tolerances
  B.1 Tolerances
  B.2 Reference posture for specifications
  B.3 Shoe tool dimensions
  B.4 Lengths
  B.5 Widths
  B.6 Heights
  B.7 Radii
  B.8 Back pan linkage mechanism
  B.9 Support points
  B.10 Divot points
  B.11 File format
Appendix C Background an the Prior Model of Driver-Selected
           Seat Position
  C.1 SAE J 1517 Method
  C.2 Key Differences Between Old and New Models

Abstract

Specifies how to position and posture the H-point design tool (HPD) described in Appendix B, and how to establish the seating reference point (SgRP), design H-point travel path, and other key reference points that are used in the design and specification of both driver and passenger seat positions.