ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,552,447, issued on Feb. 17, was assigned to Weber-Hydraulik GmbH (Guglingen, Germany).
"Hydraulic rear axle steering" was invented by Torsten Winkler (Pfaffenhofen, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A hydraulic rear axle steering for multi-axle vehicles, including a steering cylinder with a piston and two working chambers. The steering cylinder has a mechanical blocking device, which blocks the piston when it reaches a central position within the steering cylinder. The blocking device has a blocking member, which is retained in an engaged position by a locking element in the blocked state. The locking element is movable by a separat...