Protective helmet
A protective helmet includes an outer shell and a controlled air dissipation (CAD) assembly installed within the outer shell. The CAD assembly includes an inner shell liner releaseably mounted to the outer shell, a primary bellows unit disposed between an outer surface of the inner shell liner and t...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | A protective helmet includes an outer shell and a controlled air dissipation (CAD) assembly installed within the outer shell. The CAD assembly includes an inner shell liner releaseably mounted to the outer shell, a primary bellows unit disposed between an outer surface of the inner shell liner and the inside surface of the outer shell, and a secondary bellows unit disposed between an inner surface of the inner shell liner and the head of a person wearing the protective helmet. |
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