ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,492,586, issued on Dec. 9, was assigned to BODE-DIE TUR GMBH (Kassel, Germany).
"Linear guide without guide rail" was invented by Andreas Pellegrini (Kassel, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A guiding device for a door system, in particular a sliding or pivot sliding door system of a public transport vehicle, includes: a longitudinal profile formed from a first material for attachment to a door portal, which has a guiding track, which is U-shaped in cross section, with a bottom surface and two side walls extending at right angles therefrom, a slider, which at least partially reaches into the guiding track and is supported on rolling...