Patent ID: 7044176

Claim:
A device for controlled activation of a pressurized supply of air for inflating tires in a machine for tire dealers, comprising: a feeder means for supplying and/or accumulating pressurized inflation air; at least one pair of regulator means for regulating the pressure of said inflation air to two predefined extreme values, a first regulator means to a lower value and a second regulator means to a higher value, said regulator means being connected in parallel to each other to said feeder means; at least one dispensing means for dispensing pressurized inflation air that is connectable alternately to one of said pressure regulator means; return means; and at least one selection valve means, which is interposed between said first regulator means and said second regulator means and said dispensing means for selecting an alternate connection of said dispensing means to said first regulator means or second regulator means, said selection valve means being kept, by way of said return means, normally connected to said first regulator means and being intentionally forcibly and temporarily connectable, by direct actuation of an operator and in contrast with said return means, to said second regulator means, interruption of said direct actuation of the operator causing automatic reconnection of said selection valve means to said first regulator means.