Patent ID: 7721592

Claim:
A tire pressure gauge with a valve cap wrench comprising: a housing; a bore defined in said housing, said bore adapted to accommodate a tire valve stem cap; a collet positioned in said bore, said collet adapted to selectively engage and disengage a tire valve stem cap accommodated in said bore; a user-operable switch mechanically coupled to said collet and disposed on said housing, said switch adapted to cause said collet to selectively engage and disengage a tire valve stem cap; a port defined in said housing, said port adapted to engage and open a needle valve on a tire valve stem; a pressure sensor positioned in said housing, said pressure sensor adapted to be in fluidic communication with a fluid in a tire when said port engages and opens a needle valve on a tire valve stem and to measure the pressure of the fluid in the tire; and a display on said housing, said display displaying a numerical value indicative of the measured pressure.