ALEXANDRIA, Va., June 16 -- United States Patent no. 12,305,736, issued on May 20, was assigned to NTN Corp. (Osaka, Japan).
"Parallel link mechanism and link actuation device" was invented by Kenzou Nose (Iwata, Japan) and Hideki Matsuzawa (Iwata, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A parallel link mechanism includes a proximal end-side link hub, three link mechanisms, a rotating body, and a distal end-side link hub. The rotating body is connected to one link mechanism among the three link mechanisms. The rotating body is rotatably coupled to the proximal end-side link hub. In the link mechanism, a first center axis of a first revolute pair portion intersects with a second center axis of a ...