| 摘要 |
<p>The present invention concerns a helmet (1) for protecting the head of a wearer from external impacts, said helmet comprising a shell (2), at least a pair of straps (3), one end of each of said straps (3) being attached with attachment means (7) to the shell (2) and the other end comprising fastening means (8) suitable for fastening the two straps (3) together such that a continuous strap is formed running from one attachment means (7) to the other, and passing under the chin of a person when worn, characterized in that,•The fastening means (8) comprise a lock (8A), and•The straps (3) have a cut resistance according to ASTM F1790-05 of at least 20 g / mm, preferably of at least 40 g / mm.</p> |
