US Patent 9227600 Tire inflator

An inflator head, which is adapted to be mounted on a cylinder, includes a casing and an adjusting valve. The casing is mounted on the cylinder. The casing has an opening at a front end and a channel in communication with the opening of the casing and an outlet of the cylinder. The adjusting valve has one end axially inserted into the opening of the casing. The adjusting valve has an axial hole therein and at least one inlet defined in an outer periphery thereof and communicating with the axial hole. The adjusting valve is movable between an open position in which the inlet communicates with a chamber of the cylinder to inflate a tire, and a close position in which the inlet is blocked from communicating with the chamber of the cylinder.