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:
Feb. 03, 2026
Filed:
Jul. 13, 2023
Applicant:
Ratier-figeac Sas, Figeac, FR;
Inventor:
Etienne Pluchon, Montfaucon, FR;
Assignee:
RATIER-FIGEAC SAS, Figeac, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16H 25/20 (2006.01); B64C 13/28 (2006.01); F16H 25/22 (2006.01); F16H 25/24 (2006.01);
U.S. Cl.
CPC ...
F16H 25/205 (2013.01); F16H 25/2006 (2013.01); F16H 25/2204 (2013.01); F16H 25/2472 (2013.01); B64C 13/28 (2013.01);
Abstract
A screw actuator includes a primary ball nut, a secondary nut, and a ball screw. The primary ball nut and secondary nut are both in threaded engagement with the ball screw, in which the inner functional plays of the screw actuator are configured such that in normal operation the threads of the secondary nut are in contact with the ball screw threads.