ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,555,945, issued on Feb. 17, was assigned to EXEN Corp. (Tokyo).
"Connector device for an electric machine tool" was invented by Mitsuo Onodera (Tokyo), Teppei Hayashi (Tokyo), Yoshio Saito (Tokyo) and Yuta Mori (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A connector device according to one or more embodiments includes a male connector including multiple male contact pieces, and a male contact piece retention portion, and a female connector including multiple female contact pieces, and a female contact piece retention portion. The male contact piece retention portion has multiple concentrically formed convex portions. The multiple male contact ...