Patent ID: 7841331
Filing Date: 2010-11-30
Classification: F41B

Abstract:
1. A paintball gun, comprising: an air valve, being selectively moved to a first position or a second position; and a body portion, comprising a main body having a hollow receiving room, a first air bore and a second air bore, the body portion further comprising: wherein, when the air valve is at the first position, the air valve communicates the inlet with the second air bore, such that air in the inlet flows into the first chamber via the second air bore, and into the air passage via the first air bore, the bolt is then pushed to the third position and shuts the effusion passage because the area of the first surface is larger than that of the radial profile of the inner rod, meanwhile, the paintball hole is opened for a paintball to drop into the receiving room; wherein, when the air valve is at the second position, the air valve communicates the second air bore with a first decompression bore, at the instant, the air in the first chamber is evacuated through the first decompression bore, and then the air in the air passage pushes the inner rod so as to further push the bolt to the fourth position and shut the paintball hole, meanwhile, the effusion passage is open for the air to evacuate from the projection passage and the projection hole so as to project the paintball.