Patent ID: 7740192

Claim:
A rotating bi-directional pneumatic gun comprising: a body having a barrel having a front end; a rear end; a passage having a diameter, and an outer surface; and a handle being attached on the outer surface of the barrel and having a chamber; a connecting passage being communicated with the passage of the barrel; and a valve device being mounted between the chamber and the connecting passage and communicating the connecting passage with the chamber when the valve device is on; and a guiding tube being mounted rotatably in the passage of the barrel and having an outer surface; a front notch being defined longitudinally in the outer surface of the guiding tube; a rear notch being defined longitudinally in the outer surface of the guiding tube and kept from communicating with the front notch; a front groove being defined around the outer surface of the guiding tube, communicating with the front notch and having a sidewall; and multiple inclined bores defined through the sidewall and extending toward the front end of the barrel; and a rear groove being defined around the outer surface of the guiding tube, communicating with the rear notch and having a sidewall; and multiple inclined bores defined through the sidewall and extending toward the rear end of the barrel.