ALEXANDRIA, Va., June 16 -- United States Patent no. 12,305,355, issued on May 20, was assigned to Nabtesco Corp. (Tokyo).
"Drive device and construction machine" was invented by Etsuro Komori (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "The drive unit according to the present disclosure includes two fluid motors serving as drive sources for generating rotational forces, and a channel member having a supply channel for supplying a pressure fluid to the two fluid motors. Each of the two fluid motors includes: a casing having a supply port and a discharge port for the pressure fluid; a drive shaft rotatably supported to the casing; and a motive power generating unit provided in the casing and configur...