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:
Aug. 28, 2018
Filed:
Dec. 26, 2011
Richard Rauber, Arlington, TX (US);
Frank B. Stamps, Colleyville, TX (US);
David Popelka, Colleyville, TX (US);
Patrick Tisdale, Roanoke, TX (US);
Tom Donovan, Fort Worth, TX (US);
Richard Rauber, Arlington, TX (US);
Frank B. Stamps, Colleyville, TX (US);
David Popelka, Colleyville, TX (US);
Patrick Tisdale, Roanoke, TX (US);
Tom Donovan, Fort Worth, TX (US);
Textron Innovations Inc., Providence, RI (US);
Abstract
A rotary system and method to control feathering and centrifugal forces of a rotor blade during flight. The rotary system having a hub assembly, which includes a hollow yoke arm to receive a spindle section of the rotor blade. A tension-torsion strap extends through the hollow yoke arm and couples the rotor blade and the hub assembly. The method includes allowing the spindle section of the rotor blade to pivot within the hollow yoke arm and controlling rotational and centrifugal movement of the rotor blade with the tension-torsion strap.