US Patent Issued to ZF ACTIVE SAFETY US on July 28 for "Ball-screw drive for electromechanical brake" (Michigan Inventors)

ALEXANDRIA, Va., July 28 -- United States Patent no. 12,692,921, issued on July 28, was assigned to ZF ACTIVE SAFETY US INC. (Livonia, Mich.).

"Ball-screw drive for electromechanical brake" was invented by Galus Chelaidite (South Lyon, Mich.), Kraig E. Gerber (Plymouth Township, Mich.) and Changming Wu (Plymouth, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A ball-screw drive for an actuator assembly of a vehicle brake includes a ball screw rotatable about an axis and having an exterior track winding extending around the ball screw from a first opening to a second opening. An inner recess extends into the ball screw and is connected to the first and second openings. A ball nut includes an interior tr...