US Patent 7882831 Soccer ball delivery system and method

A system for delivering objects, such as soccer balls, the system including a delivery device and a methodology for training individuals that can be used with the delivery device, the delivery device including an accelerator that accepts, accelerates, and launches the object with motion characteristics, such as linear acceleration, angular acceleration, or a combination of both, and an assembly that adjusts the position of the accelerator to adjust an exit trajectory of the object that includes adjustment about a yaw axis, an elevation axis, and a spin axis of the object. Highly and accurate and consistent delivery of the object facilitates single and multi-player use for training, such as in the sport of soccer.