ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,526,970, issued on Jan. 13, was assigned to YAMAHA HATSUDOKI K.K. (Iwata, Japan).

"Shaft drive device and component mounting device" was invented by Kazuhiro Terada (Shizuoka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A shaft drive device includes a plurality of shafts each retained in a raisable and lowerable manner; a return spring for urging each of the shafts upward; an actuating member contactable with a pressed part of any one of the shafts for raising and lowering a selected shaft; and a raising and lowering mechanism which changes a posture of the actuating member between a first posture of coming into contact with the pressed part of...