Patent ID: 7921834
Filing Date: 2011-04-12
Classification: F41A,F41B

Abstract:
1. A paintball loader that stores paintballs and loads paintballs into a paintball gun, the paintball loader comprising: a screw having a plurality of helical grooves, the helical grooves winding in a first direction; a drive tube having multiple column grooves on an inner surface of the drive tube, the screw being located within a center of the drive tube along a length of the drive tube so that paintballs loaded within the drive tube are each within one of the helical grooves of the screw and within one of the multiple column grooves on the inner surface of the drive tube; wherein when the drive tube rotates with respect to the screw, paintballs within the drive tube are constrained to travel along one of the helical groove of the screw and along one of the multiple column grooves on the inner surface of the drive tube.