US Patent Issued to JIANGSU XCMG CONSTRUCTION MACHINERY RESEARCH INSTITUTE on May 12 for "Manufacture method of bushing, bushing and excavator" (Chinese Inventors)

ALEXANDRIA, Va., May 12 -- United States Patent no. 12,623,284, issued on May 12, was assigned to JIANGSU XCMG CONSTRUCTION MACHINERY RESEARCH INSTITUTE LTD (Xuzhou, China).

"Manufacture method of bushing, bushing and excavator" was invented by Guo Xu (Xuzhou, China), Bo Chen (Xuzhou, China) and Kun Feng (Xuzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "This disclosure relates to a manufacture method of a bushing, a bushing and an excavator to alleviate the problems of insufficient lubricity and wear resistance of the bushing. The bushing includes an inner ring and an outer ring. The manufacture method of the bushing includes the following steps: grinding a first mixed powder containing Fe, Al, T...