Patent ID: 7347405

Claim:
An inlet valve for a pneumatic tool, the pneumatic tool defines a space and a passageway communicated with the space, the inlet valve comprising: a housing movable in the space between a first position where it blocks the space from the passageway and a second position where it allows the communication between the space and the passageway, the housing defining an inlet and an outlet; a plunger inserted through the outlet and movable in the pneumatic tool between a first position, a second position and a third position, with the plunger comprising: an end put in the housing for pushing the housing, from inside, to the second position as the plunger is in the third position; and an annular flange put in the housing for blocking the outlet as the plunger is in the first position and for opening the outlet as the plunger is in the second position; a spring put in the space for pushing the housing to the first position; and a second spring put in the housing for pushing the annular flange to the first position.