ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,523,258, issued on Jan. 13, was assigned to NSK LTD. (Tokyo).
"Assembly of gear and rotating shaft, and assembly method therefor" was invented by Seiji Ichida (Maebashi, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An assembly of a gear and rotating shaft, comprising: a gear having teeth on an outer peripheral surface thereof, and a center hole penetrating in an axial direction through a center portion thereof; and a rotating shaft including a serrated shaft portion having a male serration portion on an outer peripheral surface thereof and press-fitted into the center hole, and a guide shaft portion provided adjacent to one side in the axial dir...