seat belts

Topics: Automotive industry, Seat belt, Automobile Pages: 2 (727 words) Published: January 7, 2014
A seat belt, an unnecessary luxury for the Bolivians?
Crazy traffic. One of the first things that popped into my mind since I was landed in Cochabamba. Coming from Buenos Aires it is not an immense difference, but, traffic rules (those that exist) are taken even less serious here. It is not the speed, ignoring crosswalks or passing right that are the most interesting for me but the (none) use of seatbelts. The seatbelt, ‘a belt or strap in an automobile, airplane, etc., fastened around or sometimes diagonally  across themidsection to keep the person safely secured, as during a sudden stop’, was originally invented by English engineer George Cayley in the early 19th century but became a real hit when the first modern ‘three point seat belt’ got invented by the Americans Roger W. Griswold and Hugh DeHaven, and developed to its modern form by Swedish inventor Nils Bohlin for Swedish manufacturer Volvo who introduced it in 1959 as standard in all cars.


A 3-point seat belt
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.[13] The first car with three point belt was a Volvo PV 544 that was delivered to a dealer in Kristianstad on August 13, 1959. However, the first car model to feature the three point seat belt as a standard item was the 1959 Volvo 122, first outfitted with a two-point belt at initial delivery in 1958, replaced with the three point seat belt the following year.[14] The three point belt was developed by Nils Bohlin who had earlier also worked on ejection seats at Saab.[15] Volvo then made the new seat belt design patent open in the interest of safety and made it available to other car manufacturers for free.[16][17] Belt-in-Seat (BIS)[edit]

The BIS is a...
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