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Five-point harness : ウィキペディア英語版 | Five-point harness
A five-point harness is a form of seat belt that contains five straps that are mounted to the car frame. It has been engineered for an increase of safety in the occurrence of an automobile accident. As a result, this form of seat belt has been mandated in the race car competition of NASCAR. This was an invention made mandatory to have due to the high velocities involved in the sport. Along with the design of the seat belt, helmet straps have been designed to increase the safety of the driver. This invention has also been used to secure infants and young children in child safety seats. ==Structure== The five-point harness is preferred as a safety mechanism for its high amount of safety compared to other designs. The five-point harness consists of five straps. Two are located at the shoulders, two at the hips, and one at the crotch that all come to connect to a buckle release mechanism. This way of buckling up holds the driver's body tight in the seat, which in turn protects the upper body from injury. The only downfall to this seat belt mechanism is the insecurity of the driver's head.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Five-point harness」の詳細全文を読む
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