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:
Feb. 24, 2026

Filed:

Jul. 16, 2024
Applicant:

Ratier-figeac Sas, Figeac, FR;

Inventor:

Ghislain Teyssier, Brengues, FR;

Assignee:

RATIER-FIGEAC SAS, Figeac, FR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B64C 13/00 (2006.01); B64C 13/32 (2006.01); F16H 25/20 (2006.01); F16H 25/24 (2006.01);
U.S. Cl.
CPC ...
B64C 13/32 (2013.01); F16H 25/205 (2013.01); F16H 25/2454 (2013.01); F16H 2025/2075 (2013.01);
Abstract

An assembly for maintaining the pitch angle of a flight control surface for an aircraft. The assembly includes a shaft comprising a screw thread and defining a shaft axis, and a nut. The nut includes a housing, a barrel located in the housing and comprising a screw thread for engaging with the screw thread of the shaft, and at least one locking element located in the housing. The housing comprises a radially inner cam surface adjacent to the locking element. The barrel is configured to rotate relative to the housing when the screw thread of the barrel is engaged and rotating with the screw thread of the shaft so as to move the locking element along the cam surface from a disengaged position in which the locking element is spaced from the screw thread of the shaft, to an engaged position.


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