ALEXANDRIA, Va., April 15 -- United States Patent no. 12,599,980, issued on April 14, was assigned to BYD Co. Ltd. (Shenzhen, China).
"Inner burr removal tool holder structure" was invented by Jie Li (Shenzhen, China), Lu Zhao (Shenzhen, China), Yaoqin Huang (Shenzhen, China), Hongbin Wang (Shenzhen, China) and Jiaolian Xu (Shenzhen, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "An inner burr removal tool holder, including a tool holder body. The tool holder body includes a tool base and a connecting rod assembly. The connecting rod assembly is connected to the tool base. A scraper for removing inner burrs and a nozzle for spraying liquid is arranged on the tool base. The scraper protrudes from an out...