[특허]Three-dimensional iso-tross structure

[미국특허] Three-dimensional iso-tross structure 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	E04H-012/00 B65H-081/00
출원번호	US-0838599 (1997-04-10)
발명자 / 주소	Francom Larry R. Jensen David W.
출원인 / 주소	Brigham Young University
대리인 / 주소	Thorpe, North & Western, LLP
인용정보	피인용 횟수 : 27 인용 특허 : 6

초록 ▼

A structural member having greatly enhanced load bearing capacity per unit weight has a plurality of helical components wrapped around a longitudinal axis. The helical components have straight segments rigidly connected end to end in a helical configuration. In a basic repeating unit, three helical components have a common angular orientation, a common longitudinal axis, and are spaced apart from each other at equal distances. Another three reverse helical components also have a common angular orientation, a common longitudinal axis, and are spaced apart from each other at equal distances, but have an opposing angular orientation. These six helical components appear as a triangle when viewed along the axis due to the straight segments. An additional six helical are configured as above but rotated with respect to the first six components such that the member appears as a six-pointed star when viewed from the axis.

대표청구항 ▼

[ What is claimed is:] [1.] A structural member having greatly enhanced load bearing capacity per unit mass, the structural member comprising:at least two helical components, each component having at least three elongate, straight segments rigidly connected end to end in a helical configuration, the at least two helical components having a common angular orientation, a common longitudinal axis and being spaced from each other at approximately equal distances, the at least two helical components each having continuous strands of fiber;at least one reverse helical component having at least three elongate, straight segments rigidly connected end to end in a helical configuration similar to and having a common longitudinal axis with the at least two helical components, but in an opposing angular orientation, the at least one reverse helical component having continuous strands of fiber; andmeans for coupling the at least two helical components to the at least one reverse helical component at intersecting locations, the means for coupling the helix components and reverse helix components including overlapping the fibers of the helix components and the fibers of the reverse helix components in a matrix; andwherein the at least two helical components and the at least one reverse helical component define a hollow interior which is substantially void of material; andwherein the at least two helical components and the at least one reverse helical component define openings therebetween.

이 특허에 인용된 특허 (6) 인용/피인용 타임라인 분석

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Riley, Jon; Czaplicki, Michael J., Automotive rail/frame energy management system.
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Jensen,David W., Complex composite structures and method and apparatus for fabricating same from continuous fibers.
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Warren, Peter A.; Hinkle, Jason D., Open lattice, foldable, self deployable structure.
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Nishiwaki, Shinji; Nishigaki, Hidekazu; Kikuchi, Noboru; Tsurumi, Yasuaki, Structural design method and recording medium.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Three-dimensional iso-tross structure 원문보기