Protective helmet
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United States of America Patent
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-
May 21, 1996
Issued Date -
N/A
app pub date -
May 26, 1995
filing date -
Apr 2, 1993
priority date (Note) -
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status (Latency Note)
Importance
Abstract
An impact attenuation liner assembly is provided for use in an outer shell of a protective helmet. The liner assembly includes an impact cap formed from a resilient, heat-resistant material, such as expanded polypropylene. The impact cap defines a head receiving cavity and includes a plurality of passageways extending therethrough. A suspension system is also provided and comprises a plurality of straps disposed within the head receiving cavity. The straps have end portions, each of which extends through a different one of the passageways in the impact cap. Ribs are located on the exterior surface of the impact cap for securing the end portions to the impact cap. Tape extending about a peripheral portion of the exterior surface of the cap is also provided for securing the ribs in recesses formed in the exterior surface of the cap.
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