ALEXANDRIA, Va., May 12 -- United States Patent no. 12,624,520, issued on May 12, was assigned to HITACHI CONSTRUCTION MACHINERY TIERRA Co. LTD. (Koka, Japan).
"Construction machine" was invented by Keisuke Sakisaka (Koka, Japan), Masayuki Yunoue (Koka, Japan), Masaya Harada (Koka, Japan) and Takuya Nomura (Rittou, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A construction machine is capable of returning the posture of an earth removal plate (blade) from a rocking posture to a predetermined normal posture. A stay is mounted on the construction machine body to move in upward and downward directions. The earth removal plate is mounted on the distal end portion of the stay, and is rockably movable in f...