ALEXANDRIA, Va., March 19 -- United States Patent no. 12,252,865, issued on March 18, was assigned to Kubota Corp. (Osaka, Japan).

"Working machine" was invented by Yoshinori Torii (Sakai, Japan), Toyoharu Hashima (Sakai, Japan) and Akira Komukai (Sakai, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A working machine includes: a machine body; a frame member; a cover member; and a hinge with which the cover member is swingably supported on the frame member, a connector plate attached to the hinge, the hinge includes: a movable arm which is supported on the frame member such that the movable arm is swingable up and down; a mounting plate which is fixed on a swinging end of the movable arm; the mounting ...