ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,384,018, issued on Aug. 12, was assigned to NTN Corp. (Osaka, Japan).
"Parallel link mechanism and link operation device" was invented by Hiroshi Isobe (Iwata, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "In a parallel link mechanism, a distal end side link hub is coupled to a proximal end side link hub via three link mechanisms such that a posture of the distal end side link hub can be changed. Each link mechanism includes a proximal side end link member, a distal side end link member, and a center link member, and forms a quadric chain link mechanism composed of four revolute pairs. A singular point occurs when a central axis of the proximal o...