ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,454,989, issued on Oct. 28, was assigned to ASTEMO FRANCE (Drancy, France).

"Helical connection mechanism for electromechanical brake caliper piston with simplified mounting" was invented by Jerome Bertrand (Romainville, France) and Fabrice Umbdenstock (Paris).

According to the abstract* released by the U.S. Patent & Trademark Office: "A helical connection mechanism for an electromechanical brake piston is configured to be mounted in the piston, including a sleeve and a drive member cooperating by a helical connection of longitudinal axis (AX), and a locking structure for rotationally locking the sleeve relative to the piston about the longitudinal axis (AX) and for axially holding t...