What is ELR seat belt system?
The Emergency Locking Retractor (ELR) allows the driver seat belt to freely extend and retract with occupant movement, yet locks the belt during a sudden stop or upon impact. The Automatic Locking Retractor (ALR) makes it possible to secure a child seat without using a seat belt locking clip.
What is a 3 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.
Are 3 point seat belts safer?
Occupants with two point belt/knee bolster restraints incurred more liver and visceral injuries while occupants with three point belt restraints experienced more sternal and clavicular fractures. THE THREE POINT BELT restraint system has proven to be an effeclive means of crash protection for vehicular occupants.
What company builds 3 point seatbelts?
Volvo
In 1959, the Volvo engineer Nils Bohlin developed the modern three-point seat belt.
What are the different types of seat belts?
Some of the most common types of seat belts include lap belts, sash belts, automatic seat belts, three-point belts, belt-in-seat (BIS), five-point harnesses, and six-point harnesses.
Why is a 3 point seatbelt better?
The three-point belt has since gained inertia reels (which lock the reel during hard deceleration), pretensioners (which quickly cinch the belts tight during an impact), load limiters (which reduce forces on an occupant’s chest by allowing the belt to pay out in a controlled manner during a crash) and even built-in …
Why did Volvo not patent the seat belt?
But Volvo didn’t do that? they gave the patent away because they decided it was too important to keep to themselves. From the story: The reason the three-point seatbelt is so widely adopted is actually because Volvo opened up the patent so that any car manufacturer could use it in their design.
Which type of seat belt is the safest?
The lap belt and shoulder belt are secured across the pelvis and rib cage, which are better able to withstand crash forces than other parts of your body. Place the shoulder belt across the middle of your chest and away from your neck. The lap belt rests across your hips, not your stomach.
Why did they stop making automatic seat belts?
After a short run in the production lines of many automakers, automatic seat belts were eventually phased out in favor of making airbags standard on all cars.
When did 3-point seat belts become standard?
August 13, 1959
The first three-point seatbelt was sold in a Volvo PV544 in Sweden on August 13, 1959. It took several years after that for the feature to catch on with automakers and the public, and the first U.S. federal law mandating seatbelts wasn’t till 1968.
When did 3 point seat belts become standard?