Devices for Use in Defining and Measuring Vehicle Seating Accommodation

Standard:
Revised:
  • 2015-11-10
 
  • CURRENT
Publisher:
  • SAE International
Pages:
31
Scope:

The devices of this SAE Standard provide the means by which passenger compartment dimensions can be obtained using a deflected seat rather than a free seat contour as a reference for defining seating space. All definitions and dimensions used in conjunction with this document are described in SAE J1100. These devices are intended only to apply to the driver side or center occupant seating spaces and are not to be construed as instruments which measure or indicate occupant capabilities or comfort. This document covers only one H-point machine installed on a seat during each test. Certified H-point templates and machines can be purchased from: SAE International 400 Commonwealth Drive Warrendale, PA 15096-0001 Specific procedures are included in Appendix A for seat measurements in short- and long-coupled vehicles and in Appendix B for measurement of the driver seat cushion angle. Specifications and a calibration inspection procedure for the H-point machine are given in Appendix C. Additional considerations are necessary when a Head Restraint Measuring Device (HRMD) is mounted to an H-point machine (Appendix D).

The devices described in this document provide a method for a reliable layout and measurement of occupant seating compartments and/or seats. They are not to be construed as tools that measure or indicate occupant capabilities or comfort. The devices are intended for applications at designated seating positions. They are not intended for use in defining or assessing temporary seating, such as folding jump seats. When using the H-Point Machine (HPM), interactions can occur between adjacent seating positions (i.e., having an HPM installed at the center occupant position can change the results obtained for the outboard occupant position). Therefore, only one machine should be installed in a particular row of seats during each test.

Rationale:

This document has been revised to include only metric length units to describe critical HPM-I dimensions to eliminate rounding differences that occur when switching between measurement systems. In addition, several references to body shape references and template dimensions were corrected or removed from section 5. All other content regarding the application of the HPM-I has been reaffirmed to comply with the SAE 5-year review policy.

History:
Standard Published Revision Status
J826_201511 2015-11-10 Latest Revised
2008-11-11 Historical Revised
2008-03-27 Historical Revised
2002-06-01 Historical Revised
1995-07-01 Historical Revised
1992-06-01 Historical Revised
1991-06-01 Historical Revised
1987-05-01 Historical Revised
1980-04-01 Historical Revised
1974-01-01 Historical Revised
1970-02-01 Historical Revised
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