ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,485,562, issued on Dec. 2.
"Locking blade device" was invented by Zeluo Guan (Yangjiang, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A locking blade device is provided, which includes a knife sleeve and mechanical claws disposed on two sides of an end of the knife sleeve. An end of each of the mechanical claws is hinged with the knife sleeve. A blade is slidably disposed in the knife sleeve. Two sides of the blade are provided with locking grooves. The other end of each of the mechanical claws is provided with a clamping end head configured to clamp into a corresponding one of the locking grooves. A push button is slidably disposed on the knife ...