ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,729,752, issued on Sept. 8, was assigned to RATIER-FIGEAC SAS (Figeac, France).
"Ball screw assemblies" was invented by Etienne Pluchon (Montfaucon, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "A ball screw comprising a screw shaft, a ball nut, and alpha and beta load circuits. The alpha and beta load circuits each include first and second parts. The screw shaft is longitudinally extending with a longitudinal central axis (A) and at least part of the longitudinally extending surface of the screw shaft comprises an external thread, and at least one of the first parts of the alpha and beta load circuits comprise a part of the external thread. The...