ALEXANDRIA, Va., July 16 -- United States Patent no. 12,668,432, issued on June 30, was assigned to THK Co. LTD. (Tokyo).
"Carriage" was invented by Yuichi Mizutani (Tokyo), Kazutoshi Harima (Tokyo) and Minami Tsuiki (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A carriage moves along rail parts having straight portions and curved portions. The carriage has a pedestal section, and in the pedestal section, at least two first rotor parts and one or a pair of second rotor parts, which are located between the rail parts and which include a pair of wheels that rotate while in contact with side surfaces of the rail parts. The pair of wheels are attached to the pedestal section via support members. Support ...