Patent ID: 7302943
Filing Date: 2007-12-04
Classification: F41B

Abstract:
1. A firing ram for use in a paintball gun to fire a paintball, comprising: a cylinder and a piston in a paintball gun; a rod disposed in the paintball gun and the rod having a first end mounted within the cylinder for sliding movement; a hammer mounted on a second end of the rod opposite the first end, the hammer movable between a first position and a second position relative to the cylinder; and an o-ring substantially surrounding the rod at a region adjacent to the hammer, wherein when the hammer is in the first position, the o-ring is positioned on the rod within the cylinder and the o-ring of the rod forms a seal to the cylinder to restrain the movement of the hammer until a sufficient pressure is achieved in the cylinder to overcome the seal, and wherein when the hammer is in the second position, the o-ring is positioned on the rod outside and away from the cylinder, the combination of the hammer, the rod and the piston operating to establish gas pressure in the paintball gun to propel a paintball from the paintball gun and the combination to be recycled repeatedly to propel further ones of the paintball.