Helmet

CAFC
  • US 6,434,755 B1
  • Filed: 06/02/2000
  • Issued: 08/20/2002
  • Est. Priority Date: 06/04/1999
  • Status: Expired due to Term
First Claim
Patent Images

1. A helmet for wearing on a cranium of a user, the helmet comprising:

  • a substantially rigid shell having a shell thickness defined by a substantially continuous exterior surface spaced apart from a substantially continuous interior surface;

    a substantially rigid one-piece first shock attenuating member positioned adjacent to and substantially in contact with portions of the interior surface of the shell, the first shock attenuating member having a first thickness and a first compression deflection; and

    a plurality of discrete second shock attenuating members, each second shock attenuating member being positioned adjacent to and having a non-interference fit with a portion of the first shock attenuating member and adjacent to and substantially in contact with portions of the interior surface of the shell, each second shock attenuating member having a second thickness and a second compression deflection, with the second thickness being greater than the first thickness and the second compression deflection being less than the first compression deflection.

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