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:
Jan. 21, 2014
Filed:
Dec. 18, 2007
Bryan Marshall, Mansfield, TX (US);
Paul Sherrill, Grapevine, TX (US);
Bryan K. Baskin, Arlington, TX (US);
Tricia Hiros, Haltom City, TX (US);
Paul K. Oldroyd, Azle, TX (US);
Bryan Marshall, Mansfield, TX (US);
Paul Sherrill, Grapevine, TX (US);
Bryan K. Baskin, Arlington, TX (US);
Tricia Hiros, Haltom City, TX (US);
Paul K. Oldroyd, Azle, TX (US);
Textron Innovations Inc., Providence, RI (US);
Abstract
A helicopter rotor blade includes a structural composite skin defining a cavity therein; a composite spar disposed within the cavity and adhesively bonded to the skin, a portion of the spar exhibiting a C-shape in cross section; and a foam core disposed within the cavity and adhesively bonded to the skin. The structural composite skin forms an external, closed box structure configured to transmit mechanical loads encountered by the rotor blade.