US Patent Issued to KOMATSU on July 21 for "Crawler-type work machine" (Japanese Inventors)

ALEXANDRIA, Va., July 21 -- United States Patent no. 12,686,437, issued on July 21, was assigned to KOMATSU LTD. (Tokyo).

"Crawler-type work machine" was invented by Takeshi Yoshikawa (Tokyo), Hiroaki Takeshima (Tokyo), Naoya Akiyama (Tokyo), Toshikazu Okada (Tokyo), Kazushi Nakata (Tokyo) and Osamu Yatsuda (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A bulldozer causes left and right steering clutches to engage and left and right steering brakes to release when an operating amount of a steering lever is greater than a first predetermined amount and less than a second predetermined amount, and drives a turning motor so that the rotation speed of an inside output shaft becomes lower than the rotation...