ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,388,320, issued on Aug. 12, was assigned to Lin Engineering Inc. (Morgan Hill, Calif.).
"Linear captive motor-leadscrew assembly" was invented by Harlan H. Nguyen (San Jose, Calif.), Hung H. Pham (San Jose, Calif.) and Hoang H. Le (San Jose, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A captive leadscrew-type linear actuator assembly has a motor whose rotor has a rearward extending hollow bore shaft. An external nut assembly fixed to the bore shaft to rotate with rotor engages a lead screw. An anti-rotation radial support plate attaches to a front of the motor with a non-circular hole that prevents rotation of a rod or piston attached to the l...