ALEXANDRIA, Va., June 5 -- United States Patent no. 12,276,079, issued on April 15, was assigned to KOMATSU LTD. (Tokyo).
"Crawler-type work machine" was invented by Takeshi Yoshikawa (Tokyo), Hiroaki Takeshima (Tokyo), Naoya Akiyama (Tokyo), Shinichi Otaka (Tokyo), Kazushi Nakata (Tokyo) and Osamu Yatsuda (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A crawler-type work machine includes left and right steering brakes configured to brake left and right output shafts, a turning motor configured to produce a rotation speed difference between the left and right output shafts, work implement cylinders configured to drive a work implement attached to a vehicle body, a hydraulic pressure supply unit config...