ALEXANDRIA, Va., March 3 -- United States Patent no. 12,564,940, issued on March 3, was assigned to Boston Dynamics Inc. (Waltham, Mass.).
"Screw actuator" was invented by Benjamin G. Katz (Lincoln, Mass.) and Joao Luiz Almeida de Souza Ramos (Arlington, Mass.).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention includes a screw actuator. The screw actuator includes a screw having a screw shaft and a screw nut. The screw shaft defines a first longitudinal axis along its length. The screw nut at least partially surrounds the screw shaft. The screw actuator includes a motor having a stator and a rotor. The rotor is mechanically coupled to the screw shaft. The stator at least partially surrounds the rot...