ALEXANDRIA, Va., May 26 -- United States Patent no. 12,640,169, issued on May 26, was assigned to NHK Spring Co. Ltd. (Yokohama, Japan).

"Cover, recording device, and method for manufacturing cover" was invented by Toshimitsu Araki (Yokohama, Japan), Wataru Miyazaki (Yokohama, Japan) and Shuji Takahashi (Yokohama, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A cover is provided with a connection portion on an outer peripheral portion for conducting fastening. The connection portion is provided with a fastening face that is fastened by a bolt on a top face and a connecting face that is connected to the base on a bottom face, and the connection portion is formed into a stepped shape with steps that for...