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.:
Date of Patent:
Jun. 29, 2004
Filed:
Feb. 22, 2002
Applicant:
Inventors:
Thomas M. Anderson, Hugo, MN (US);
David R. Bissen, Plymouth, MN (US);
Lawrence P. Schmidt, Lino Lakes, MN (US);
Brian E. Spencer, Sacramento, CA (US);
Richard L. Grover, Whittier, CA (US);
Leo B. Willner, Santa Cruz, CA (US);
Assignee:
Schwing America, Inc., White Bear Lake, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F17D 1/08 ;
U.S. Cl.
CPC ...
F17D 1/08 ;
Abstract
The present invention is a boom system comprising a plurality of articulated boom sections. Each boom section has a longitudinal axis. A stiffening layer is attached to a surface of at least one of the boom sections, and extends within about ten degrees of parallel to the longitudinal axis of the boom section. The stiffening layer is formed of a fiber-reinforced composite material including a plurality of fibers and matrix material.