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.

Date of Patent:
Jun. 30, 2015

Filed:

Jun. 19, 2014
Applicant:

Bell Helicopter Textron Inc., Fort Worth, TX (US);

Inventors:

J. Donn Hethcock, Colleyville, TX (US);

Mark E. Dreier, Arlington, TX (US);

Dudley Smith, Arlington, TX (US);

Robert Lee Robinson, Mansfiled, TX (US);

Assignee:

Bell Helicopter Textron Inc., Fort Worth, TX (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B64C 27/82 (2006.01);
U.S. Cl.
CPC ...
B64C 27/82 (2013.01); B64C 2027/8254 (2013.01); B64C 2027/8263 (2013.01);
Abstract

A convertible helicopter ring member includes a ring member and a drive mechanism. The drive mechanism orients the ring member substantially in-plane with a tail rotor of a helicopter during a first mode of helicopter operation and orients the ring member substantially off-plane with the tail rotor of the helicopter during a second mode of helicopter operation that is different from the first mode.


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