Patent ID: 7341504

Claim:
An adjustable sand blasting gun having a body having a front end; a middle; a top; a bottom; a rear end; a chamber being defined inside the body; a blasting head being attached securely to the front end of the body and communicating with the chamber for directing sand at a target; a mounting tube being formed on the bottom of the body near the front end, being communicated with the chamber of the body and having a mounting end; and a connecting pipe being formed on and laterally extends from the mounting tube near the mounting end of the mounting tube and below the front end of the body and having a proximal end; and a distal end; a sand inlet being attached detachable to the mounting tube of the body and having an upper end being connected securely to the mounting end of the mounting tube; a lower end; a passage being formed axially through the sand inlet from the upper end to the lower end and being communicated with the chamber in the body; and a through hole being formed radially through the sand inlet between the upper end and the lower end and being communicated with the connecting pipe; and an adjusting device being connected to the connecting pipe and the sand inlet and having an adjusting post being connecting to the connecting pipe and the sand inlet and having a free end extending into the connecting pipe and through the through hole of the sand inlet; an operating end; a connecting hole being formed radially through the free end of the adjusting post; a rotating button being mounted on the operating end of the adjusting post for turning said adjusting post and having a periphery; an adjusting hole being formed radially through the adjusting post between the connecting hole and the rotating button and being communicated with the passage in the sand inlet and the chamber in the body wherein the position of the adjusting hole determines the amount of sand passing therethrough; and a mounting pin being inserted into the connecting hole in the adjusting post to guide the turning of the adjusting post.