US Patent 10280912 Air valve connecting device for different inflation valves

An air valve connecting device includes a barrel rotatably connected to a housing, the barrel includes an enlarged space having a screw hole for engaging with a U.S. type inflation valve, and having an inner thread for selectively engaging with a French type inflation valve and for detachably securing the French type inflation valve to the barrel, and a shank is slidably engaged in the housing and includes one end portion for receiving the pressurized air, and the shank includes a front end portion having a mouth movable toward the barrel for selectively engaging with either the U.S. type inflation valve or the French type inflation valve.