Patent ID: 7765998
Filing Date: 2010-08-03
Classification: F41A,F41B

Abstract:
1. A pneumatic marker comprising: a body member having a longitudinal bore; a sensor system having a lens, the lens having at least a first surface and a second surface, the sensor system transmitting a signal through the first and second surfaces so as to sense a paintball within the bore, at least a portion of each of the first and second surfaces having complementary curved contours so that a path of a signal entering the lens is substantially parallel to a path of the signal exiting the lens; and a moving member disposed in the bore and having an elongated member and a protrusion, the protrusion extending in a radial direction from the elongated member and circumscribing at least a portion of the elongated member so as to contact at least a portion of the first surface when the moving member moves from a first position to a second position.