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특허 상세정보

Football helmet having a removable inflatable liner and a method for making the same

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) A42B-003/10   
미국특허분류(USC) 241/3 ; 241/4
출원번호 US-0450492 (1999-11-29)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Stites & Harbison, PLLCNagle, Jr.
인용정보 피인용 횟수 : 90  인용 특허 : 6
초록

The invention pertains to protective helmet that has an inflatable liner that is constructed with a multiplicity of cells each separated by constrictions of a narrower cross-section. The liner has a central ring and a plurality of loops extending therefrom adapted to protect various portions of the wearer's skull. The structure of the liner permits the liner to be molded using various molding techniques.

대표
청구항

[ What is claimed is:] [1.]1. An inflatable liner for use in a protective helmet comprisingan inflatable seamless body defining a multiplicity of internally disposed cells with each cell being separated from an adjacent cell by a constriction having a smaller internal cross-sectional area than said cells, said cells and constrictions forming a continuous passageway for the passage of air throughout said body;said body further defininga centrally disposed crown portion in the form, of a ring of said cells and constrictions that is adapted to be positioned...

이 특허를 인용한 특허 피인용횟수: 90

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