ALEXANDRIA, Va., June 6 -- United States Patent no. 12,283,869, issued on April 22, was assigned to YAMAHA HATSUDOKI K.K. (Iwata, Japan).

"Rotating body for rotation restricting mechanism, and actuator" was invented by Koji Shinohara (Shizuoka, Japan) and Takumi Hirano (Shizuoka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A rotating body for a rotation restricting mechanism rotates integrally with a motor, and the rotation of the rotating body is restrictable by engagement with an engaging pin. The rotating body includes a plurality of radial-support parts that extend in a radial direction, with the inner end portions thereof connected to the motor, a plurality of first-circumferential-connecting p...