ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,503,179, issued on Dec. 23, was assigned to Caterpillar SARL (Geneva).
"Crawler-type vehicle" was invented by Takayuki Naito (Akashi, Japan), Yasutaka Genko (Akashi, Japan) and Manikandan Rajangam (Chiyoda-ku, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "To provide a crawler-type vehicle capable of efficiently scraping off mud from an upper road wheel. A pair of scraper members are disposed on one side in the front-rear direction and on other side in the front-rear direction of an upper road wheel. Each scraper member is formed with a claw that protrudes toward the upper road wheel. A right-left directional position of the tip of the claw of one...