| 摘要 |
A unitized chin strap for football helmets and the like is molded from an elastomer possessing elastic memory. The device includes a protective chin cup which is curved on two axes and is adapted to receive an apertured chin cushioning pad which allows the tip of the chin to be safely suspended in a space defined by the chin strap cup. The cup gradually diminishes in thickness and rigidity from the center of the cup toward its marginal edge. Divergent axis relatively flexible and somewhat stretchable straps are joined to the sides of the chin cup by relatively wide twist-resistant strap-to-cup joint portions. Conventional buckles having snap fastener components are slidably engaged on the straps of the device to provide a secure four point attachment of the chin strap to a helmet. The device substantially eliminates movement of the helmet on the head during use, thereby greatly reducing the likelihood of severe injury.
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