ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,553,505, issued on Feb. 17, was assigned to Harmonic Drive SE (Limburg, Germany).
"Gearbox" was invented by Frank Zens (Diez, Germany) and Simon Luckert (Limburg, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A gearbox (70) has a pivot bearing (50) with an outer pivot bearing ring (1a) and an inner pivot bearing ring (1b). A filling groove (18) for rolling elements (16) is formed between the outer and inner pivot bearing rings. A tension shaft gear (40) with a central longitudinal axis (15) is mounted in the pivot bearing (50) and has a wave generator (10). An elastic flexspline (4) with an external gearing (3) and a circular spline (6) has an ...