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:
Apr. 20, 2021
Filed:
Aug. 02, 2017
Bell Helicopter Textron Inc., Fort Worth, TX (US);
Robert Self, Fort Worth, TX (US);
Nathan P. Green, Mansfield, TX (US);
John R. McCullough, Weatherford, TX (US);
Russell Cole, Euless, TX (US);
Paul Sherrill, Grapevine, TX (US);
Robert Wardlaw, Keller, TX (US);
BELL HELICOPTER TEXTRON INC., Fort Worth, TX (US);
Abstract
The present invention includes a rotor-blade span-balancing system, including a span-balance pocket in a surface of a rotor blade; a cover operably configured to cover the span-balance pocket, wherein the cover is operably configured to be substantially flush with the surface of the rotor blade surface when covering the span-balance pocket, and wherein the cover includes a cover boss for reacting centrifugal force of the cover into the rotor blade; and one or more span-balance weights attached to the cover to span-balance the rotor blade.