the three point seat belt was invented in 1955.
the three point seat belt was invented in 1955.
when was the three point seat belt invented?
1955
dating back as early as 1885, seat belts were first patented by edward j. claghorn. in 1955, ford began offering the lap belt in their automobiles. saab then began to manufacture their entire range of automobiles with seat belts; most importantly the saab gt750, launched in 1958. from this model, the practice of seat belt installation then became a competitive advantage to the industry but still did not seem essential to the consumers. forward, this popular technique became standard in most u.s. automobiles. by 1965, front lap seat belts were produced in several models, by 1968 front shoulder and rear lap belts were introduced, and in 1974 three point front lap belts were adopted in most automobiles. the first united states federal law pertaining to the use of seat belts became effective january 1, 1968 with the help of the u.s. department of transportation which was created two years prior. the law has since been modified but currently requires all vehicles to be produced with three-point seat belts in all seating areas. the use and legality of seat belts varies from state to state, with the first state to pass the law requiring all passengers to wear a seat belt being new york on december 1, 1984. currently, there are no countries whose automobiles do not offer seat belts and it is a standardized practice worldwide.
williamson v. mazda motor of america, inc.
a three-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 three-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 belt was a volvo pv 544 that was delivered to a dealer in kristianstad on august 13, 1959. however, the first car model to have 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. the three-point belt was developed by nils bohlin who had earlier also worked on ejection seats at saab. 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.
seat belt