SAE J1521
Truck Driver Shin-Knee Position for Clutch and Accelerator.
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:Standard | Published | Revision | Status |
---|---|---|---|
J1521_200902 | 2009-02-10 | Latest | |
J1521_199812 | 1998-12-01 | Historical | |
J1521_198703 | 1987-03-01 | Historical | |
J1521_198510 | 1985-10-01 | Historical |