US Patent Issued on July 28 for "Machining tool for box-end wrench and method of machining box-end wrench by using the same" (Taiwanese Inventor)

ALEXANDRIA, Va., July 28 -- United States Patent no. 12,691,508, issued on July 28.

"Machining tool for box-end wrench and method of machining box-end wrench by using the same" was invented by Chih-Min Chang (Changhua County, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A machine tool includes a fixed pillar, a finishing cutting tool with a first teeth portion, a rough cutting tool with a second teeth portion, a punching tool with a third teeth portion, and a support member passing through the punching tool, the rough cutting tool, and the finishing cutting tool and detachably mounted to the fixed pillar. The finishing cutting tool, the rough cutting tool, and the punching tool are arranged sequenti...