···
Log in / Register

Who Invented the Seat Belt?

4 Answers
LeAlejandro
07/28/25 11:15pm
Seat belts were invented by Nils Bohlin. Below is an introduction to seat belt-related content: Seat Belt Buckle: A seat belt buckle is a device that can be inserted into a car's seat belt socket, allowing the driver to bypass the seat belt warning system without triggering an alarm. The designs of these buckles are highly diverse, ranging from vehicle brand logos to anime characters, basketball, or soccer team emblems. Introduction to Seat Belts: Seat belts are the sole guarantee of a driver's safety and represent an active form of protection. They can be life-saving in critical moments. Even when a car is moving at relatively slow speeds, a collision or sudden braking can generate enough inertia to cause the driver and passengers to lose control of their bodies, potentially leading to injuries from hitting hard components like the steering wheel or windshield.
Was this review help?
5
4
Share
Ross
08/12/25 2:35am
I've always been fascinated by automotive history, so I researched the invention of seat belts. The key figure was Nils Bohlin, a Swedish engineer who designed the three-point seat belt for Volvo in 1959. This invention was groundbreaking because it revolutionized road safety by distributing impact forces more effectively than the old two-point belts, preventing occupants from being ejected during crashes. Interestingly, Bohlin originally designed aircraft safety systems before transferring his expertise to automobiles, where he had a stroke of inspiration. At the time, many automakers didn't prioritize safety, but Volvo made the patent freely available worldwide, leading to mandatory three-point seat belt regulations globally. This invention has likely saved millions of lives, and I consider it one of the most understated yet effective innovations. Every time I buckle up, I'm reminded of this inspiring story.
Was this review help?
10
5
Share
Expand All
AliceFitz
10/01/25 5:25am
After driving for so many years, the first thing I do when getting in the car is click that seatbelt on. It was invented by this guy Nils Bohlin, who came up with the three-point design around 1959 when he was an engineer at Volvo. This thing is super practical—back in my youth, I saw older seatbelts that only strapped across the waist, which easily caused injuries. But Bohlin’s version added a shoulder strap, firmly securing the body. When slamming on the brakes, you can really feel it holding you in place, preventing a lot of accidents. Think about it—nowadays, cars all come standard with this, and it even led to child safety seat systems. Every driver should remember this contribution. Safety first, right? I always nag my friends to make it a habit—it’s simple, cheap, and has saved countless families.
Was this review help?
18
2
Share
Expand All
SanEliana
11/14/25 7:12am
From a safety perspective, I've studied the evolution of seatbelt design. The inventor was Nils Bohlin, who introduced the three-point version in 1959 while working at Volvo in Sweden. This innovation was ingenious as it utilized V-shaped anchor points to distribute force, preventing body rollover or internal organ injuries - something older seatbelt designs couldn't achieve. Bohlin's invention sparked a global revolution in automotive safety standards, with other countries quickly adopting it and spurring developments like airbags. The significant reduction in road accidents today is largely attributed to this, yet many still neglect buckling up, necessitating ongoing public education about its critical importance.
Was this review help?
9
5
Share
Expand All
More Forum Discussions

How long after starting the car can you drive off?

For cold starts of small cars, it's advisable to wait about five minutes before driving off. Here's the relevant information: Reasons for needing to warm up the car: 1. Lack of lubrication: After the car has been parked for a long time, the engine oil flows back into the oil pan at the bottom of the engine. Therefore, when starting the engine after prolonged inactivity (such as overnight), the upper part of the engine is in a state without oil and lacks lubrication. It takes about 10 seconds after starting for the oil pump to circulate the oil to the parts of the engine that need lubrication the most, such as the pistons, connecting rods, and crankshaft. 2. Inability to effectively vaporize gasoline completely: Before the engine reaches its operating temperature (approximately between 90-110 degrees Celsius), the fuel system, due to the low temperature, cannot effectively vaporize the gasoline completely. When the gasoline is not vaporized and remains in a 'wet' liquid state, it is difficult to burn and start the engine.
19
0
Share

Do new cars need snow tires in the first year?

In the first year of a new car, it is necessary to decide whether to switch to snow tires based on the usage environment. Snow tires are specifically designed for winter driving conditions, ensuring driving safety and optimal vehicle performance in winter climates, regardless of whether the car is new or old. In China, regions like the three northeastern provinces, Inner Mongolia, Xinjiang, and Gansu replace their tires with snow tires annually. In snowy areas, the decision to use snow tires depends on specific usage conditions. Most original equipment tires on vehicles are all-season tires, which generally have mediocre winter performance and cannot guarantee good driving performance on ice and snow roads. Therefore, as long as the driving environment involves ice and snow roads, it is advisable to switch to snow tires.
18
2
Share

What is the H7/h6 fit?

H7/h6 is the tolerance fit code for mechanical components in the industry. H7 refers to the tolerance zone code for the hole it fits with, while h6 represents the tolerance zone code for the outer surface of the bearing (where the bearing acts as the shaft when fitting with the hole). The outer and inner diameter dimensions of the bearing vary, so while the tolerance zone H7/h6 is the same for different bearing sizes, the actual tolerance values differ. The numerical values of H7/h6 are related to the diameter—the larger the diameter, the larger the H7/h6 value, and vice versa. The functions of a tire are: 1. To transmit driving force, braking force, and steering force to enable vehicle operation; 2. To support the vehicle load; 3. To reduce and absorb vibrations and impact forces during driving, preventing severe vibrations from damaging automotive components. Methods for tire maintenance include: 1. Regularly checking tire pressure; 2. Periodically inspecting tires for bulges, cracks, cuts, punctures, or abnormal wear; 3. Removing foreign objects such as stones, metal pieces, or nails from tire treads; 4. Performing wheel alignment or tire dynamic balancing.
15
5
Share

How Does a Seat Belt Work?

Seat belts work by: 1. Tightening promptly to secure the occupant in the seat at the moment of an accident; 2. Releasing moderately, once the peak impact force has passed or when the occupant is protected by the airbag, to prevent rib injuries caused by excessive tension. Advanced seat belts are equipped with pre-tensioners and force limiters. When properly fastened, they distribute most of the stopping force across the chest and pelvis—areas of the body that are relatively strong. Since seat belts span a wide area of the body, the force is not concentrated in a small region, thereby minimizing potential injuries.
3
4
Share

How to Remove and Install the Radio in Changan Yuexiang V3?

Changan Yuexiang V3 radio removal and installation method: 1. Remove the border frame; 2. After removing the border frame, you can see the screws on both sides of the radio, remove the screws to pull out the radio. The Yuexiang V3, originally codenamed Changan B501, is Changan Automobile's response to the new consumption trends in the domestic entry-level family car market. In terms of appearance, the car adopts a dolphin bionic design; in terms of power, it uses Changan Automobile's efficient and low-consumption C13 all-aluminum engine; in terms of safety configuration, it features large-sized brake pads. The Changan Yuexiang V3 has a body length, width, and height of 4180mm, 1650mm, and 1465mm respectively, with a wheelbase of 2410mm.
14
3
Share

What Causes Engine Shaking at Idle in New Cars?

The causes of engine shaking at idle in new cars are: 1. Severe engine carbon buildup. A common reason for car shaking is excessive dirt in the throttle body or carbon buildup in the fuel injectors. The solution is to clean the fuel system and check the idle air control valve for carbon deposits, which should be cleaned if necessary. 2. Ignition system issues. Poor performance of the ignition system or faulty spark plug firing can also lead to such symptoms. The solution is to check if the spark plugs have excessive carbon buildup and replace them if needed. 3. Unstable fuel pressure. If you have already cleaned the engine carbon deposits, throttle body, replaced gaskets and spark plugs, but still experience body shaking at idle, it is recommended to visit a 4S shop to check the fuel supply pressure and intake pressure sensors. Abnormal fuel pump pressure or faulty readings from the intake pressure sensor can cause body shaking. The solution is to check the fuel pressure and replace components if necessary.
12
1
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.