ALEXANDRIA, Va., July 3 -- United States Patent no. 12,342,752, issued on July 1, was assigned to Yamabiko Corp. (Tokyo).
"Autonomous travel robotic working machine" was invented by Eiki Inaba (Ohme, Japan) and Kenji Nakano (Ohme, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "The autonomous travel working machine includes a working body unit, a cover unit, and a connecting structure unit connecting the working body unit and the cover unit. The connecting structure unit includes a body connecting section attached to the working body unit and a cover connecting section attached to the cover unit. When the cover unit is lifted, a shaft portion of the cover unit is slid upwardly with respect to a head por...