US Patent Issued to Daifuku on June 3 for "Screw member tightening and loosening apparatus, and screw member tightening and loosening method" (Japanese Inventors)

ALEXANDRIA, Va., June 4 -- United States Patent no. 12,318,876, issued on June 3, was assigned to Daifuku Co. Ltd. (Osaka, Japan).

"Screw member tightening and loosening apparatus, and screw member tightening and loosening method" was invented by Hirohisa Morimoto (Tokyo) and Hiroki Omoto (Hinocho, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A control unit is configured to performs a first control of controlling a movement unit so that a fitted part of a screw member and a fitting part of a rotating body are axially aligned with each other; a second control of controlling the movement unit to press the fitting part against the fitted part; a third control of, while maintaining a state in which the f...