ALEXANDRIA, Va., June 4 -- United States Patent no. 12,320,411, issued on June 3, was assigned to Robert Bosch GmbH (Stuttgart, Germany).
"Electromechanical linear actuator with hollow shaft motor" was invented by Reiner Knoell (Burgsinn, Germany), Marco Knoell (Burgsinn, Germany) and Michael Goldbach (Lohr A. Main, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "An electromechanical linear actuator includes a threaded drive which has a threaded spindle and a threaded nut. The threaded spindle is coupled to a hollow shaft of an electric motor via a rotationally fixed connection. The threaded nut is fastened to a linearly movable extension tube. In a maximally retracted state of the extension tube, the...