gave the patent away to save lives
https://en.wikipedia.org/wiki/Seat_belt#Three-point A 3-point belt is a Y-shaped arrangement, similar to the separate lap and sash belts, but unitized. Like the separate lap-and-sash belt, in a collision the 3-point belt spreads out the energy of the moving body over the chest, pelvis, and shoulders. Volvo introduced the first production three-point belt in 1959. The first car with a three-point..
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2017. 7. 10. 14:45