ALEXANDRIA, Va., June 10 -- United States Patent no. 12,292,105, issued on May 6, was assigned to Nexen Group Inc. (Vadnais Heights, Minn.).
"Strain wave gear system" was invented by Anthony Will Kliber (Andover, Minn.) and Charles Christian Boushek (Saint Francis, Minn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A strain wave gear system (10) includes first and second sets of ball bearings (80, 82) located intermediate a flange (84) and a retainer plate (88) rotatable with an output (54) and a radially oriented flat disc (74) of the input including strain relief (76). Strain relief (76) is a helical slot in a coupling (70) located radially within the wave generator (94) and the ring gear (22). The ring ...