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:
Oct. 08, 2019
Filed:
Jun. 12, 2017
Applicant:
Bell Helicopter Textron Inc., Fort Worth, TX (US);
Inventors:
Levi Charles Hefner, Arlington, TX (US);
Danielle Lynn Moore, Fort Worth, TX (US);
Sung Kim, Bedford, TX (US);
Assignee:
Bell Helicopter Textron Inc., Fort Worth, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B64C 27/52 (2006.01); B64C 27/605 (2006.01); B64C 39/02 (2006.01); B64C 29/02 (2006.01); B64C 11/48 (2006.01); B64C 27/10 (2006.01); B64C 3/54 (2006.01);
U.S. Cl.
CPC ...
B64C 27/605 (2013.01); B64C 3/546 (2013.01); B64C 11/48 (2013.01); B64C 27/10 (2013.01); B64C 29/02 (2013.01); B64C 39/024 (2013.01); B64C 2201/102 (2013.01); B64C 2201/108 (2013.01); B64C 2201/165 (2013.01);
Abstract
An Unmanned Aerial Vehicle (UAV) has a first blade assembly configured to rotate in a first direction about an axis of rotation and a second blade assembly configured to rotate in a second direction opposite the first direction about the axis of rotation, wherein the second blade assembly can be selectively cocked relative to the axis of rotation.