Adaptable seatbelt

  • 19-Sep-2013 07:45 EDT

Autoliv’s adaptable seatbelt features improved safety for all occupants, especially children. The new seatbelt can substantially reduce the load on small occupants while also improving the protection for larger occupants, the company claims. Without any sensor, the seatbelt retractor can tune its restraining force individually to each vehicle occupant and the crash severity. The adaptive retractor has also proven to provide additional safety for full-sized passengers as the seatbelt webbing is released in a softer way after the crash, reducing the rebound effect. By introducing load limiting together with the pretensioners, shoulder-belt force can be limited to minimize loading to the neck.The adaptivity is provided by a spring-loaded disc in the retractor. The disc has a high number of teeth on both sides, which will slot into and out of the best fitting grooves as it rotates.

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