ALEXANDRIA, Va., Feb. 26 -- United States Patent no. 12,233,492, issued on Feb. 25.
"Inert gas welding torch head with adjustable electrode receiver" was invented by Jesse Rogers (Penn Yan, N.Y.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A removable arc welding torch head having a variable electrode receiving aperture that includes a number of discrete, slidable wedges guided within a conical interior surface to enable the head to be used with electrodes of various diameters without changing components of the torch head. The removable nature of the torch, while providing for adequate flow of inert gas, provides an adjusting collar that engages the wedges and forms an adjustable opening for an electrode t...