Effect of reel- type webbing retractors and shoulder- belt slack on dummy dynamics during simulated frontal vehicle impacts.

Author(s)
Bowden, T.J. Reicher, J.K. & Nassim, A.K.
Abstract

An impact simulator was used for determining the performance of motor- vehicle seat belts equipped with retractors during simulated impacts at 13.5 m/ s. The results of this study indicate that a retractor- equipped strap behaves less stiffly than a rigidly- anchored strap, allowing greater forward motion of the body parts restrained by the strap and reducing the peak accelerations of these parts. In a harness in which the retractor is in the lap- belt, the head and shoulder trajectories are similar to those when a harness .without retractors is used.

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Publication

Library number
B 31894 (In: B 31882) / 91/
Source

In: AGARD Conference Proceedings No. 322. Impact injury caused by linear acceleration: mechanisms, prevention and cost, p. 23.1- 23.12, 13 ref.

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