We don’t know, dear Polina, whether you will believe us, but they came up with it in 1885. It happened in the USA, where inventor Edward J. Claghorn from New York received the first patent for a seat belt. Which was intended... to secure the coachman of the carriage. At the beginning of the 19th century, English inventor Sir George Cayley proposed using seat belts for airplanes. And in 1913, the belt was first used by Adolphe Pégoud (Célestin Adolphe Pégoud), a French aviation pioneer and one of the first performers of the “dead loop” (he performed it two weeks after Nesterov).
True, on May 11, 1903, the invention of “car safety brackets” for passengers in vehicle Gustave-Désiré Leveau also patented it. And in the same year, the five-point seat belt was invented by Louis Renault.
Inventors invented, changed, improved - but the manufacturers didn’t even want to hear about any belts. Firstly, they were imperfect, and secondly, they had to be additionally attached to the seat. The first car initially equipped with seat belts was the Swedish Tucker Torpedo. Volvo in 1948. In 1959, patented three-point belts became a mandatory feature on the Volvo PV 544 and P120 Amazon, and a couple of years later on many Saab cars. The inventor of the three-point belt was Volvo aeronautical engineer Nils Bohlin, who initially worked for Saab. In 1985, the German Patent Office even noted this invention as one of the eight that brought humanity the most great benefit over the last 100 years.
By the way, in Germany, belts with the sign “Gurt zum Anschnallen, Flugzeugbauart” first appeared in 1957 on serial cars Porsche and Mercedes-Benz W111. On others German cars The officially approved type of three-point seat belts appeared on April 1, 1961.
He appeared and caused a storm of discontent. And not only manufacturers (most cars were not ready to install three-point belts), but also drivers, tightly “shackled by one chain.” Moreover, since 1967, seat belts began to be installed on rear seats cars. But from January 1, 1974, the installation of belts on new German cars became mandatory. Although their use remained voluntary.
It took a long time to persuade the volunteer. In 1972, an inertial belt tensioning mechanism was introduced, providing passengers with more freedom and safety. The belts now have a red release button. American model. A wide campaign was held in the country under the slogan: Erst gurten, dann starten (First buckle up, then start). Nevertheless, as is most often the case, only money could stop the “volunteer’s feat.” On August 1, 1984, driving without a seat belt became punishable - the fine was 40 DM. And the number of drivers and passengers buckling up immediately soared to 90 percent.
By this time, Germany was lagging behind the countries that had passed laws requiring the use of seat belts. The pioneers here were Czechoslovakia (1969), Ivory Coast (1970), Japan (1971), Australia, Brazil and New Zealand (1972). Sweden, by the way, made the use of belts mandatory only in January 1975.
Well, in the USSR mandatory application seat belts on all front seats passenger cars introduced in 1979. Although the belts themselves were introduced back in 1969 on the 412th Moskvich (it appeared in 1973 domestic development, author - Leonid Oskarovich Teder, chief specialist of the Estonian Norma plant, which began producing belts), and since 1977 - at GAZ-24.
In 1985, at the International Patent Conference, the West German Patent Office, on the occasion of its 100th anniversary, named eight of the most important inventions for humanity. Among them was the invention of the Swedish engineer Nils Bohlin.
Bolin was born in 1920 in the small town of Härnesand, received a bachelor's degree in mechanical engineering in 1939 and soon found a job at Svenska Aeroplan Aktiebolaget (SAAB). While his colleagues dreamed of making planes more powerful and faster, Nils wanted to make them safer for pilots. Therefore, he took up rescue and ejection systems and would probably have become famous as an aircraft designer if not for one of his compatriots.
In 1956 at Ford cars an unprecedented option appeared - a two-point lap belt designed by the Ligon brothers. In the event of a collision, such a belt prevented the driver from flying through windshield, but sometimes caused serious abdominal injuries. For the President Volvo Gunnar Ingellau was so impressed by this invention that he set himself the ambitious goal of making Volvo cars the safest in the world. To do this, he needed a person from the area where security systems have long ruled the roost - aviation. Ingellau invited Niels Bohlin, who was well acquainted with the overloads experienced by pilots during accidents, to his company, offering him the position of safety engineer and complete carte blanche.
The task turned out to be not an easy one. Bolin later said that the pilots he worked with were willing to wear anything to ensure safety in the event of an accident. But the drivers did not want to endure the inconvenience even for a minute. Therefore, four-point aircraft harnesses, carefully adjusted to fit the body, had to be discarded. For a year Nils experimented intensely with different designs seat belts and eventually found the right solution - a combination of a belt that goes around the driver's hips and a diagonal strap that holds the chest and shoulders. The solution turned out to be very convenient, since combining two straps made it possible to fasten with one hand, and this is what played a huge role. The inventor himself later admitted: “My belt gained public recognition as much because it was comfortable as because it was safer.”
In 1959 three point belts appeared in two Volvo models for the Swedish market - P120 Amazon and PV544, and in 1963 all models were equipped with them. The company made the patent for the belt design free, so soon other manufacturers began equipping their cars with this safety system. Over the years, designers have only added inertial reels, pretensioners and improved the buckle.
The inventor died on September 21, 2002. At his funeral, one of the directors of Volvo said: “A piece of Niels Bohlin is present in every car.”
It is generally accepted that the first one was invented in 1885. It was then that the American Edward Claghorn patented his development, calling it seat belt, intended for tourists traveling in open carriages. Subsequently, the invention began to be used to fix the coachman.
Like many others, today’s conventional seat belts found their initial widespread use in aviation. Thus, in 1913, the French pilot Adolphe Pegu first fastened a seat belt in the cockpit of his aircraft.
Eight years after receiving a patent for a seat belt, Gustave-Désiré Leveau received a patent for the invention of special protective brackets for car passengers. And a little later, the prototype of the current three-point belt was invented.
But despite receiving patents for various seat belt designs, car manufacturers were in no hurry to implement the inventions on their cars. Although in the 1920s some American automakers offered lap seat belts as optional equipment, these essential security elements have not received mass distribution for a long time. Part of the reluctance to use seat belts by the management of manufacturing companies was explained by the imperfect design of the belts, which seriously constrain the driver and passenger. In addition, the inventors of seat belts for a long time could not really work out the attachment points of the belts to the seat.
Perhaps the real full-fledged start to the history of car seat belts was the heyday of the post-war automotive industry. In 1948, the company began standardly equipping several of its models with seat belts.
As for modern three-point belts, they began to be widely used after their introduction in 1959. mandatory use Swedish company . The inventor of the belt, which in its current form is well known to all drivers and passengers, is the Swedish engineer Nils Bohlin. By the time Bolin presented his invention to the wider automotive world, the Swede was already working at Volvo, although Bolin started in as an aeronautical engineer.
Volvo PV 544 became the first production car, on which three-point belts developed by Nils Bohlin were standardly installed. It was at that time that the Volvo concern took the first serious step towards the honorary title of manufacturer of the most safe cars in the world.
It is noteworthy that a kind of impetus for the start of serious developments in the field of automobile safety was a tragic incident that led to the death in a car accident of one of the closest relatives of the then-incumbent general director Volvo company.
By the time of the death of the official inventor of the modern three-point seat belt, Nils Bohlin, who died of a heart attack at the age of 82, marketers from Volvo calculated that the invention had saved the lives of more than a million people around the world in 40 years. And this despite the fact that in many countries until the mid-70s, the installation of seat belts was not mandatory requirement in the manufacture of cars. And the obligation of car owners to use seat belts arose even later. For example, only in the second half of 1984 did punishment appear for an unbelted driver or front passenger. By the way, since that moment the number of belted drivers has increased by 90%.
Security systems are usually divided into active and passive. Active system- this is a set of qualities of a car that reduces the likelihood of a traffic accident. The main components of this system are the components and mechanisms of vehicle control. Simply put, it includes elements that are under the direct control of the driver during movement: steering, brake, other auxiliary units.A passive safety system is a set of elements designed to minimize the negative consequences of a traffic accident for persons in the car. This includes design features cars, seat belts and airbags, bumpers that absorb impact energy, and specially shaped seats. That is passive system safety does not directly depend on the actions of the driver.
One of the traditional elements passive safety You can name the notorious belts, which were invented about a hundred years ago. This relatively simple device helps prevent sudden movement of the driver or passenger's torso in the event of sudden stop car.
The first seat belts appeared at the very beginning of the twentieth century, and, according to some sources, the first patent for such a device was issued in the United States in 1907. However, attempts to create belts have been made before. Naturally, the form appearance and the level of reliability have changed quite a lot over the past hundred years, but the principle of operation itself has generally remained the same. Today, cars use so-called three-point seat belts, that is, with three fixation points.
Initially car belt The safety harness was the same as in airplanes, that is, two-point, it was attached to the sides and covered the torso at waist level. However, this design had one big drawback: often in a collision on high speeds The belt itself already caused serious injuries to the abdominal cavity and, as a result, damage to internal organs, so the need to improve seat belts arose quite a long time ago.
Particular attention was paid to the problem of motorist safety after the Second World War, when the speed of cars increased noticeably. The fifties of the last century became a turning point in the issue of ensuring the safety of drivers and passengers of vehicles. In 1951, the Y-shaped belly locking belt was invented and widely used in the United States. However, they were also far from flawless and often maimed people wearing them.
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So, the belts have become more reliable, and it has become much more convenient to use them, however, during operation, a major drawback was revealed: in the event of a collision, the fastened driver or passenger would often “dive” under the belt. The fact is that the fastening was static, that is, the tension had to be adjusted manually in advance, adjusting it to a specific person. Helped solve this problem inertial belts, which appeared in the 1970s.
The inertial mechanism made it possible to slowly pull the belt out of the reel to the desired length, thanks to which the driver could bend over and also make other movements. And when the belt was pulled sharply and quickly at the moment of a collision, a latch was activated, which tightly blocked this process. True, the effectiveness of the inertial mechanism is significantly reduced in the presence of thick clothing, for example a winter jacket or down jacket. In this case, a fairly large space remains between the belt and the body, which at the moment of a collision can lead to a strong blow from the belt.
Later, another important improvement appeared - pretensioners. In the event of a collision, the device pressed the belted person tightly against the back of the seat, thus reducing the gap between the torso and the belt, resulting in much less injury to the chest. The pretensioners were activated either by a squib, which is a disposable device, or by an electric drive.
In the Soviet Union there were own developments seat belts. Particularly active research and testing took place in the then Estonian SSR, and in the first half of the 1970s, mass production of seat belts began, the epicenter of which became the Estonian production association Norma. Since 1979, the USSR introduced mandatory use of seat belts - people sitting in the front seats of a car had to wear them.
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And yet, perhaps, it is preferable to get a few bruises than to fly through Windshield, possibly under the wheels of an oncoming car. In addition, a belted driver in most cases is able to maintain control of the car and drive it more or less effectively. This factor is very important when skidding or emergency braking, because maintaining controllability often allows you to save human life and minimize material damage.
In many countries, for example Western Europe, the driver and front seat passengers must wear seat belts while driving. For violators of this rule There are serious fines that can reach several hundred euros. Similar laws exist in most American states.
According to the rules traffic in Russia, the driver and passengers were also obliged “when driving a vehicle equipped with seat belts, to be fastened and not to carry passengers, not fastened with seat belts" (clause 2.1.2). However, in practice, implementation this requirement The rules previously represented the goodwill of the driver and passengers, since the amount of the fine was extremely insignificant. Recently, the penalties for this violation have been greatly increased, but it is too early to judge its effectiveness.
Particular attention should be paid to the safety of children; in an accident they can be seriously injured. serious damage, due to the characteristics of the physique. For example, a child’s head is much heavier relative to the body compared to similar proportions of an adult, but the cervical vertebrae, on the contrary, are much weaker. For this reason, children's injuries are often more severe.
According to recently adopted changes to the Traffic Rules, transportation of children is permitted only if there is special device, that is, a child's car seat. Such a seat must be correctly installed and correspond to the anthropometric data of the child.
As we can see, the issue of ensuring safety has been before car designers since the invention of the car. Over the decades since then, a number of serious successes have been achieved along this path. The speeds developed by cars are increasing every day, so manufacturers are paying more and more attention to safety. The largest automobile concerns Every year, millions of dollars are spent annually on the development of new designs and components; new products are tested using crash tests, the results of which are carefully studied. And today modern car is very complex technical mechanism, equipped with numerous units designed to provide maximum comfort and the safety of people in the cabin.