发明名称 |
Method and apparatus for testing football helmets |
摘要 |
A method and apparatus for testing a football helmet utilizes a weighted pendulum arm to impart an impact force upon the helmet. Linear head acceleration and rotational head acceleration caused by the impact force is measured and a Head Impact Power Index is computed and used as a standard to judge the ability and effectiveness of the football helmet in preventing injury to a football player.
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申请公布号 |
US6871525(B2) |
申请公布日期 |
2005.03.29 |
申请号 |
US20030462313 |
申请日期 |
2003.06.13 |
申请人 |
RIDDELL, INC. |
发明人 |
WITHNALL CHRISTOPHER R. P.;BAYNE TIMOTHY D. |
分类号 |
G01N3/06;G01N3/30;G01N3/32;(IPC1-7):G01M7/00 |
主分类号 |
G01N3/06 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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