ALEXANDRIA, Va., July 15 -- United States Patent no. 12,661,546, issued on June 23.
"Gym barbell with three-axis rotatable handles" was invented by Daniel Chu (Richmond, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "A weightlifting barbell, having a barbell frame, a pair of three-axis rotatable and orbital handle mechanisms, and a pair of loadable weight sleeves. The handle mechanisms are mounted onto a horizontal section of the barbell frame, and the loadable weight sleeves are respectively mounted onto lower portions of a vertical section of the barbell frame. The handle mechanisms each contain three sets of bearing and shaft systems, allowing rotational movement in the X-axis, Y-axis, and Z-axis s...