29/11/2016
Taking inspiration from Road Safety Week last week, we would like to impart a little knowledge about possibly the most important safety feature found in a car that we now take for granted.... the seatbelt.
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It's been almost 60 years since Volvo patented the three-point safety belt. This patented seatbelt became a standard feature in the first production car of 1959, the Amazon. It is estimated that at least 1 million lives have been saved by the three-point seatbelt since it was patented 57 years ago, making it the most passive safety feature in a car.
The seatbelt barely changed over the first 40 years of its existence, but since then, the latest systems have transformed the safety of modern cars. In the 90’s, development accelerated and load limiters became part of our cars from the turn of the century. In a collision, this feature prevents the loads transferring to your chest, in turn breaking your ribs.
Nowadays if you ignore the seatbelt warning alert and don’t buckle up, some manufacturers alter the performance of the airbag deployment during a crash. Modern sensors are already able to detect a collision before it happens, although the software still needs further adaptation so that it can react to different types of accidents.
Richard Cuerden, chief scientist at the UK’s Transport Research Laboratory (TRL), explains: “The big case for [this technology] is our ageing population. As more of us drive later in life, we’re more vulnerable, so it’s desirable to develop restraint systems that can [adapt to] protect the most vulnerable in moderate crashes and the younger, higher risk drivers in more violent crashes.”
Ahead of Road Safety Week from November 21-27, it’