ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,480,276, issued on Nov. 25, was assigned to KOMATSU LTD. (Tokyo).
"Electric cylinder and work machine" was invented by Hideshi Iitani (Tokyo) and Shouta Akazaki (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "This electric cylinder includes a motor that serves as a driving source, an output shaft that rotates in response to driving of the motor, a first rotor that is joined to the output shaft and rotates in response to rotation of the output shaft, and a second rotor that is adjacent to the first rotor and rotates in response to rotation of the first rotor. The first rotor has an open hollow portion capable of accommodating a lubricant therein."...