ALEXANDRIA, Va., March 24 -- United States Patent no. 12,584,274, issued on March 24, was assigned to Siemens Mobility SAS (Chatillon, France).
"Rail expansion device and method" was invented by Raphael Roux (Toulouse, France), Francesc Ripoll Batle (Toulouse, France) and Khalil Nitaq (Toulouse, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "A rail expansion device compensates for an expansion of a first rail with respect to a second rail. The rail expansion device joins the first rail to the second rail. The expansion device has a front connecting rail, containing a front end and a rear end, wherein the front end is configured for connecting to the first rail. A rear connecting rail, has a front end ...