ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,385,732, issued on Aug. 12, was assigned to MITUTOYO Corp. (Kanagawa, Japan).
"Inside-diameter measuring unit, floating joint mechanism unit, and measuring unit" was invented by Masashi Yamaji (Hiroshima, Japan), Yuhei Takatsu (Saitama, Japan) and Chihiro Yamamoto (Kanagawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "There is provided an inside-diameter measuring unit capable of automating inside-diameter measurement and a control method for automatic inside-diameter measurement. An inside-diameter measuring part is supported by a support frame part via a floating joint part. The floating joint part includes a rotation-allowing mechanism part ...