ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,442,236, issued on Oct. 14, was assigned to BODE-DIE TUR GMBH (Kassel, Germany).
"Pivot sliding door guiding device without guide rail" was invented by Andreas Pellegrini (Edermunde, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A pivot sliding door guiding device includes a longitudinal profile with a guiding track and slider, supported on support rollers in a linearly movable manner in the guiding track, and which is connected to a door leaf and transfers a bearing load onto the slider. In the guiding track, convex bearing members extending in the longitudinal direction are disposed, on which support rollers of the slider with, in each case, ...