ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,391,291, issued on Aug. 19, was assigned to Zephir S.p.A. (Modena, Italy).
"Dual gauge rail wheel assembly" was invented by Marco Mattioli (Soliera, Italy) and Marco Malagoli (Modena, Italy).
According to the abstract* released by the U.S. Patent & Trademark Office: "A rail wheel assembly is disclosed herein that is configured to operate on rail networks with multiple railway track gauges. In various embodiments, the dual gauge rail wheel assembly may comprise an axle extension component that is affixed to an axle of a railway vehicle and configured to receive a sliding wheel. The axle extension component may comprise sets of holes or slots located at different positions and correspo...