ALEXANDRIA, Va., March 3 -- United States Patent no. 12,564,894, issued on March 3, was assigned to CHANGZHOU INSTITUTE OF TECHNOLOGY (Changzhou, China).

"Follow-up swing head type large taper wire cutting device" was invented by Bo Xu (Changzhou, China), Hui Yu (Changzhou, China) and Jianhui Bai (Changzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A follow-up swing head type large taper wire cutting device is disclosed. In the large taper wire cutting device, swing heads on upper and lower mechanical arms are adjusted in a follow-up way by swing head rotating mechanisms in coordination with a cutting taper, universal wire guide wheels are used to cooperate with the corresponding upper and lower ...