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SAE J1521 85th Edition, March 1, 1987
Truck Driver Shin-Knee Position for Clutch and Accelerator
Description / Abstract:
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.
SAE J1521 85th Edition, March 1, 1987
Truck Driver Shin-Knee Position for Clutch and Accelerator