SAE J1521_199812 PDF
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Truck Driver Shin-Knee Position for Clutch and Accelerator
Description
This SAE Recommended Practice describes two-dimensional, 95th percentile truck driver, side view, seated shin-knee contours for both the accelerator operating leg and the clutch operating leg for horizontally adjustable seats (see Figure 1). There is one contour for the clutch shin-knee and one contour for the accelerator shin-knee. There are three locating equations for each curve to accommodate male-to-female ratios of 50:50, 75:25, and 90:10 to 95:5.
History
| J1521_202412 | 2024-12-06 | Latest | Reaffirmed |
| J1521_201412 | 2014-12-03 | Historical | Reaffirmed |
| J1521_200902 | 2009-02-10 | Historical | Reaffirmed |
| J1521_199812 | 1998-12-01 | Historical | Reaffirmed |
| J1521_198703 | 1987-03-01 | Historical | Revised |
| J1521_198510 | 1985-10-01 | Historical | Issued |
| ISSUING COMMITTEE | Truck and Bus Human Factors Committee |
|---|---|
| DATE | 1998-12-01 |
| DOI | |
| ISCURRENT | |
| PAGE | 8 |
| PUBLISHER | SAE International |
| REVISED | REAFFIRMED |
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