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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 9359817 B1

PDFFull Text
Date of Patent:
Jun. 07, 2016

Filed:

Oct. 21, 2013

Dual-use modular carbon-fiber ladder and bridge

Applicant:

Allred & Associates Inc., Elbridge, NY (US);

Inventors:

Jimmie B. Allred, III, Skaneateles, NY (US);

Joseph Kummer, Fayetteville, NY (US);

Michael D. Griswold, Syracuse, NY (US);

Michael J. Hall, Camillus, NY (US);

Assignee:

Allred & Associates Inc., Elbridge, NY (US);

Attorney:

Brown & Michaels, PC

Primary Examiner:

Jacob T Minskey

Assistant Examiner:

Vishal I Patel

Int. Cl.
CPC ...
E06C 7/08 (2006.01); E04C 3/40 (2006.01); E06C 1/10 (2006.01); E06C 1/28 (2006.01); E06C 1/36 (2006.01); E06C 7/46 (2006.01); E06C 7/50 (2006.01); F16B 7/04 (2006.01); E06C 1/00 (2006.01); E06C 7/00 (2006.01); E06C 1/39 (2006.01);
U.S. Cl.
CPC ...
E06C 7/08 (2013.01); E04C 3/40 (2013.01); E06C 1/00 (2013.01); E06C 1/10 (2013.01); E06C 1/28 (2013.01); E06C 1/36 (2013.01); E06C 7/00 (2013.01); E06C 7/083 (2013.01); E06C 7/087 (2013.01); E06C 7/46 (2013.01); E06C 7/50 (2013.01); F16B 7/042 (2013.01); E06C 1/39 (2013.01); Y10T 29/49826 (2015.01); Y10T 403/42 (2015.01);
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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