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:
Jul. 04, 2023
Filed:
May. 04, 2021
Bell Textron Inc., Fort Worth, TX (US);
Thomas C. Parham, Jr., Colleyville, TX (US);
Frank Bradley Stamps, Colleyville, TX (US);
Jouyoung Jason Choi, Southlake, TX (US);
Albert Gerard Brand, North Richland Hills, TX (US);
Michael Scott Seifert, Southlake, TX (US);
Richard E. Rauber, Colleyville, TX (US);
John E. Brunken, Jr., Colleyville, TX (US);
Textron Innovations Inc., Providence, RI (US);
Abstract
A gimbaled rotor assembly for an aircraft. The gimbaled rotor assembly including a static mast; a spherical bearing comprising an inner component and an outer component pivotable relative to each other about a bearing focus, the inner component fixedly coupled to the static mast; a rotor hub rotatably coupled to the outer component, allowing for relative rotation of the rotor hub about a rotor axis and for pivoting together with the outer component about the bearing focus; and a primary hub spring coupling the outer component to the static mast and configured for opposing pivoting of the rotor hub about the bearing focus from a neutral position.