ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,697,881, issued on Aug. 4, was assigned to Caterpillar Inc. (Peoria, Ill.).

"Pivoting boom structure for dynamic energy transfer system" was invented by Igor Strashny (Tucson, Ariz.), Jason Schafer (Rapid City, S.D.) and Paul Ives (Twin Lake, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A pivoting boom includes a housing pivotally attached to a frame of a mobile machine at a pivot point at a proximal end of the housing and a busbar assembly attached to an interior surface of the housing and configured to electrically connect the mobile machine to the electrically-conducting rail system via a plurality of electrical cables in the busbar assembly. ...