ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,442,153, issued on Oct. 14, was assigned to Caterpillar Global Mining LLC (Tucson, Ariz.).
"Dipper handle assembly" was invented by Cristian Zaharia (Marana, Ariz.), Michael W. Haws (Wind Point, Wis.), Aruna Kinjarapu (Oro Valley, Ariz.), Vladimir A. Korchagin (Tucson, Ariz.) and James G. Jamilosa (Waipahu, Hawaii).
According to the abstract* released by the U.S. Patent & Trademark Office: "A yoke of a dipper handle comprises a collar and a crowd pin aperture extending along a crowd pin aperture axis. First and second arms of the yoke include dipper pin lug apertures aligned along a dipper pin aperture axis parallel to the crowd pin aperture axis. The first and second arms of the yok...