US Patent Issued to Minebea Mitsumi on Sept. 23 for "Vibration actuator with movable body and fixing body with gap and fluid and pipe resistance to fluid" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,424,916, issued on Sept. 23, was assigned to Minebea Mitsumi Inc. (Nagano, Japan).

"Vibration actuator with movable body and fixing body with gap and fluid and pipe resistance to fluid" was invented by Shigeyuki Shimomura (Tokyo), Yuki Ogihara (Tokyo) and Yosuke Kinoshita (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a vibration actuator including: a movable body including a magnet having a pillar shape; and a fixing body including a coil and a main body part. The main body part includes an inner peripheral surface, which surrounds the movable body with a gap between the inner peripheral surface and an outer peripheral surface of th...