Ultra lightweight segmented ladder/bridge system
Patent No. 8,448,748
Issued: May 28, 2013
Inventors: Allred, III; Jimmie B. (Skaneateles, NY), Kummer; Joseph
(Fayetteville, NY), Griswold; Michael D. (Syracuse, NY), Hall; Michael J.
(Camillus, NY), Bush; Matthew A. (LaFayette, NY)
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.
Reference to Related Applications
This application claims one or more inventions which were disclosed in Provisional Application No. 61/141,402, filed Dec. 30, 2008, entitled "DUAL-USE MODULAR CARBON-FIBER LADDER AND BRIDGE" and Provisional Application No. 61/151,327, filed Feb. 10, 2009, entitled "ULTRA LIGHTWEIGHT SEGMENTED LADDER/BRIDGE SYSTEM". The benefit under 35 USC .sctn.119(e) of the United States provisional applications is hereby claimed, and the aforementioned applications are hereby incorporated herein by reference.
Go Back for more representative patents.
Home || Intellectual Property || Patents || Trademarks || Copyrights
Brown & Michaels, PC
400 M & T Bank Building
118 North Tioga Street - The Commons
Ithaca, NY 14850
Phone: (607) 256-2000 · Fax: (607) 256-3628
© 2013 Brown & Michaels PC