Patent ID: 7225961

Claim:
An air path arrangement for a pneumatic nail gun, comprising: a body ( 1 ) having an interior ( 10 ) defined in a barrel of the body ( 1 ) and a chamber ( 11 ) defined in a handle connected to the barrel, a cylinder ( 16 ) received in the interior ( 10 ) and a piston unit ( 17 ) received in the cylinder ( 16 ), a space ( 18 ) defined between the cylinder ( 16 ) and an inner periphery of the barrel of the body ( 1 ), a connection path ( 13 ) communicating between the interior ( 10 ) and a first partition ( 110 ) of the chamber ( 11 ), a side path ( 15 ) communicating between the space ( 18 ) and a second partition ( 112 ) of the chamber ( 11 ), the first partition ( 110 ) communicating with an inlet ( 12 ) and an outlet ( 14 ) in the handle, and a movable member ( 2 ), a guide member ( 3 ), a valve ( 4 ), an axle ( 5 ) and a base ( 6 ) received in the chamber ( 11 ), the guide member ( 3 ) located between the first and second partitions ( 110 , 112 ), the guide member ( 3 ) having apertures ( 31 ) which communicate with the first and second partitions ( 110 , 112 ) so that the movable member ( 2 ) and the valve ( 4 ) are movably received in the first partition ( 110 ) and the second partition ( 112 ).