| 摘要 |
<p>Headgear (8) of the type having an outer layer (10) and a relatively flexible inner layer (12) includes a belt (26) which extends around the inner layer within the outer layer, and a tensioning device (20) which can tension the belt (26) causing the belt to urge the inner layer inward away from the outer layer and against the helmet wearer's head. Preferably, the tensioning device includes a chinstrap assembly releasably fastened to the front of the helmet.</p> |
