Driver Selected Seat Position for Class B Vehicles - Seat Track Length and SgRP

Standard:
Revised:
  • 2011-10-27
 
  • CURRENT
Publisher:
  • SAE International
Pages:
8
Scope:

This Recommended Practice provides a procedure to locate driver seat tracks, establish seat track length, and define the SgRP in Class B vehicles (heavy trucks and buses). Three sets of equations that describe where drivers position horizontally adjustable seats are available for use in Class B vehicles depending on the percentages of males to females in the expected driver population (50:50, 75:25, and 90:10 to 95:5). The equations can also be used as a checking tool to estimate the level of accommodation provided by a given length of horizontally adjustable seat track.

These procedures are applicable for both the SAE J826 HPM and the SAE J4002 HPM-II.

Rationale:

Previously this practice provided procedures for determining the seat track placement and length necessary to accommodate a given percentage of drivers in both Class A vehicles (Passenger Cars and Light Trucks) and Class B vehicles (Heavy Trucks and Buses. Procedures for Class A vehicles have been updated and moved to SAE J4004 Positioning the H-Point Design Tool – Seating Reference Point and Seat Track Length. This practice has been revised to apply only to Class B vehicles.

This edition of SAE J1517 includes a recommended location for the SgRP, clarification of the procedure for determining seat track length and location, and utilization of new definitions and procedures in SAE J1100. The seat track procedure is similar to the Class A procedure given in SAE J4004. Since several SAE J1100 vehicle interior dimensions are related to the SgRP, it is important that SgRP be determined in a consistent manner across Class B vehicles.

History:
Standard Published Revision Status
J1517_201110 2011-10-27 Latest Revised
2009-02-10 Historical Reaffirmed
1998-12-01 Historical Reaffirmed
1985-10-01 Historical Issued
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