Effect of Body Restraints on Driver Reach 700359

Increased use of upper torso restraints directs attention toward the possible effects on driver reach capability in an automotive package. The results of a survey of male and female driver reach envelopes - “ergospheres” - in American and European basic package geometries are presented. Contour sections representing 5th-percentile shells of the ergospheres resulting from various degrees of torso restraint are presented in comparison with the ergosphere characteristic of lap-belt-only restraint. Differences in the effects on reach are pronounced and suggest that the inertia-reel type of upper torso restraint incurs the least reduction in size of the ergosphere.


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