What is the specification model of a five-point seat belt?

2 Answers
LaJames
07/29/25 6:25am
Five-point seat belt is a safety device that secures both shoulders, hips, and fastens to the buckle between the legs. The seat belt can closely fit the pelvis, crotch and hip areas, shoulders and chest, as well as the harness. Definition of automotive seat belt: Automotive seat belt is a safety device installed on vehicle seats. Working principle of automotive seat belt: The retractor contains a ratchet mechanism. Under normal circumstances, occupants can pull the webbing freely and evenly on the seat. However, when the continuous pulling of the webbing from the retractor stops or when the vehicle encounters an emergency situation, the ratchet mechanism will engage and automatically lock the webbing to prevent it from being pulled out.
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KingLynn
08/12/25 9:52am
The specifications and models of five-point harnesses vary depending on the application scenario. Taking racing as an example, I often help fellow drivers check their equipment during track days. Common models like the Schroth Profi II or Sparco Pro ADV typically have webbing widths of 1.5 to 2 inches, made of high-strength nylon to withstand high-speed impacts. They must comply with the FIA 8853/98 standard, with a tested strength exceeding 30kN. During installation, they should be connected to the roll cage via two shoulder straps, two lap belts, and one crotch strap to ensure the body remains fixed and doesn't shift during turns. For daily use, it's important to avoid counterfeit products, as fake harnesses can easily break, posing high safety risks. It's recommended to regularly check for wear and replace them every two years to maintain optimal protection. In short, choosing the right model is paramount for life safety.
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