ALEXANDRIA, Va., March 31 -- United States Patent no. 12,589,510, issued on March 31, was assigned to NTN Corp. (Osaka, Japan).
"Work device" was invented by Hiroshi Isobe (Iwata, Japan), Jun Midoumae (Iwata, Japan) and Masaki Kagami (Iwata, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An operation device including a combination of a rotation unit and a linear motion unit. The rotation unit includes a link actuation apparatus and a rotation actuator. The link actuation apparatus includes a proximal end side-link hub, and a distal end side-link hub coupled thereto through three or more link mechanisms so as to enable a varying attitude relative thereto. The link actuation apparatus is mounted to an ou...