Effectiveness of a mechanical pretensioner on the performance of seat belts.

Author(s)
Zuppichini, F.
Year
Abstract

A pretensioner is a device that actively withdraws a portion of belt (about 10- 15cm) during the impact, in order to keep the car occupant adherent to his seat and prevent contacts with the steering wheel, or with dashboard components. A research has been performed on a mechanical pretensioner, on a pyrotechnical pretensioner and on standard automatic seat belts, with and without slack. The laboratory results show a significant reduction in HIC vs standard belts, especially when poor wearing conditions are present (slack).

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Publication

Library number
B 29409 (In: B 29401) /84 /91 / IRRD 826438
Source

In: Proceedings of the 1989 International IRCOBI Conference on the Biomechanics of Impacts, Stockholm (Sweden), September 13- 14- 15, 1989, p.93- 98, 18 ref.

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