| 摘要 |
Subject invention relates to novel and improved apparatus for maintaining an individual's head in an optimum position with respect to other portions of his body during the application of high acceleration and/or deceleration forces thereon. The improved apparatus includes a normally noninflated inflatable bag which is positioned beneath the pilot's chin and which is removably secured at opposite ends to the ear lobe portions of the pilot's helmet, and means for quickly inflating the bag when a high acceleration or deceleration force occurs. The bag is designed such that in its noninflated condition, it may be folded into a compact band that is readily and comfortably attached to the chin strap of the helmet.
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