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US 2003/0140401 A1Published application
Impact resistant structure of safety helmet
OwnerTun-Jen Kuinventor
Life of this patent
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Abstract
A safety helmet comprises an impact-resistant structure which is fastened to the inner surface of a shell of the safety helmet and is formed of an impermeable fabric, a plurality of foam bodies enclosed by the impermeable fabric, and an air valve fastened to the impermeable fabric such that the air valve is in communication with the foam bodies via a plurality of air ducts.
Claims2
A safety helmet comprising:
- a shell made of a material having a rigidity;
- an impact-resistant structure attached to an inner surface of said shell;
- and
- a lining fastened to said impact-resistant structure;
- wherein said impact-resistant structure comprises:
- an impermeable fabric;
- a plurality of inflatable and deflatable foam bodies whereby said foam bodies are enclosed by said impermeable fabric such that said foam bodies are arranged at intervals;
- and
- an air valve fastened with said impermeable fabric such that said air valve is in communication with said foam bodies via a plurality of air ducts, thereby enabling said foam bodies to be inflated or deflated by said air valve.
6 more elements
Dependencies are inferred from the claim text.