Combination tire gauge valve stem

Abstract

In an accessory device utilized to inflate and deflate conventional tubed or tubeless tire, and giving the user an indication of the amount of air pressure within the tire's chamber, the device of the present invention comprises; a flexible rim-attaching portion having a larger lower body portion than the rim perforation of a conventional tire and a central neck portion having an outside diameter equal or lesser than said rim perforation, a rigid central gauge portion having a transparent molded tube-like form imprinted with markings identifying the location of a moveable luminescent spring loaded rubber indicator adapted to travel longitudinally within said gauge portion, and an upper valve portion having a centered stem portion in direct communication with a valve seal where perforations in the valve seal are in misalignment with perforations in the valve seat. Therefore, when a tire is under pressure, the inner air pressure exerts positive pressure against the under side of the spring loaded lower valve seal which in turn, displaces the location of said seal, indicating the tire's air pressure.

Dependencies are inferred from the claim text.