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A three-point seat belt. A three-point belt is a Y-shaped arrangement, similar to the separate lap and sash belts, but unified. 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 ...
Bohlin worked on the seat belt for about a year, using skills in developing ejection seats for SAAB; he concentrated on keeping the driver safe in a car accident. After testing the three-point safety belt, he introduced his invention to the Volvo company in 1959 and received his first patent (number 3,043,625). [1]
Most seat belt laws in the United States are left to state law. However, the recommended age for a child to sit in the front passenger seat is 13. The first seat belt law was a federal law, Title 49 of the United States Code, Chapter 301, Motor Safety Standard, which took effect on January 1, 1968, that required all vehicles (except buses) to be fitted with seat belts in all designated seating ...
Microsoft Excel is a spreadsheet editor developed by Microsoft for Windows, macOS, Android, iOS and iPadOS.It features calculation or computation capabilities, graphing tools, pivot tables, and a macro programming language called Visual Basic for Applications (VBA).
The first modern three-point seat belt, the CIR-Griswold restraint used in most consumer vehicles today, was patented in 1955 (US patent 2,710,649 [44]) by the Americans Roger W. Griswold and Hugh DeHaven. [45]
In 1991, the 960 introduced the first three-point seat belt for the middle of the rear seat and a child safety cushion integrated in the middle armrest. [57] Also in 1991, it introduced the Side Impact Protection System (SIPS) on the 700, 940/960 and 850 models, which channels the force of a side impact away from the doors and into the safety ...
Vehicle seat belts are the three-point style belts, but other seat belt types, such as four, five, and six-point seat belts, can be found as safety apparatuses in other motor devices. These devices include airplanes, roller coasters, and recreational vehicles, for example, go karts.
Seat belt legislation requires the fitting of seat belts to motor vehicles and the wearing of seat belts by motor vehicle occupants to be mandatory. Laws requiring the fitting of seat belts to cars have in some cases been followed by laws mandating their use, with the effect that thousands of deaths on the road have been prevented.