ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,781,443, issued on Nov. 3, was assigned to Siemens Mobility Pty Ltd. (Bayswater, Australia).
"Gripping auto-adjusting rail clamp" was invented by Dion Marriott (Ferntree Gully, Australia).
According to the abstract* released by the U.S. Patent & Trademark Office: "An auto adjusting rail clamp that self-adjusts gripping is provided. The rail clamp comprises a fixed jaw which contacts a rail's foot with two points of contact. It comprises a moving jaw that slides at a specific angle to the fixed jaw so as it moves closer to the rail it is forced down on to a top of the rail's foot, thereby providing a third point of contact. It comprises a spring that forces the moving jaw towards the r...