ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,491,530, issued on Dec. 9, was assigned to ABB SCHWEIZ AG (Baden, Switzerland).
"Painting robot" was invented by Takahiro Tawata (Tokyo), Norio Umezawa (Tokyo) and Kisumi Iida (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A painting robot capable of reducing the influence of pressure fluctuations when paint is discharged or stopped. The painting robot includes a robot arm having a painting head unit attached to its tip, a paint supply mechanism provided between robot arm and painting head unit; and a control unit. The paint supply mechanism includes a paint circulation channel; paint transfer means and regulating valves provided in the middle of ...