Ultra lightweight segmented ladder/bridge system
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United States of America Patent
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Aug 12, 2014
Grant Date -
Sep 1, 2011
app pub date -
May 10, 2011
filing date -
Dec 30, 2008
priority date (Note) -
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Abstract
A dual-use ladder and bridge modular system preferably includes tubes, gussets, flanges, and/or joints. In a preferred embodiment, the tubes, gussets, flanges, and/or joints are made of carbon fiber. A method connects and disconnects modular carbon fiber ladder segments. Another method creates a lightweight carbon-fiber beam with exceptionally high stiffness and strength using a combination of carbon-fiber braid material, uni-directional cloth, and pultruded carbon-fiber strips. A carbon fiber ladder segment and tube connectors are also disclosed.
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