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The first recorded patent for a seat belt was filed in the late 19th century, but it wasn't until the mid-20th century that they began to be commonly used in vehicles. The initial designs were rudimentary and focused primarily on keeping people seated. However, as the understanding of vehicle safety advanced, manufacturers began to develop more effective systems, including three-point harnesses that provide better restraint in the event of a crash.


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A poly V belt is a type of belt that features multiple parallel ribs running along its length. This design allows for a greater surface area and better grip compared to traditional V-belts. The poly in its name denotes the belt’s polygonal rib design, which increases flexibility and allows for smoother operation in various machinery and automotive systems. Poly V belts are commonly used in engines, pumps, and various industrial equipment due to their ability to handle high-speed operations while providing stability and reliability.


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