US Patent Issued to HAMILTON SUNDSTRAND on Feb. 4 for "Strain wave gear differential with high gear reduction" (Arizona Inventors)

ALEXANDRIA, Va., Feb. 5 -- United States Patent no. 12,215,770, issued on Feb. 4, was assigned to HAMILTON SUNDSTRAND Corp. (Charlotte, N.C.).

"Strain wave gear differential with high gear reduction" was invented by Derick S. Balsiger (Prescott Valley, Ariz.) and Keith A. Bloxham (Gilbert, Ariz.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A harmonic drive, having: a ground ring; a first flex spline extending axially from the ground ring; a first input shaft that is radially exterior to the first flex spline, the first input shaft includes a first wave generator that engages the first flex spline; a second flex spline, radially within the first flex spline and rotationally coupled to the first flex spline,...