US Patent 9010309 Ball throwing machine and method

A ball throwing machine can include a hopper for receiving one or more balls and a ball delivery device. The ball delivery device can be used to throw or pitch a ball from the hopper to a user of the machine. The ball delivery device can include wheels to impart speed to the ball and a direction system to control the projection angle of the ball. The direction system can control at least one of the up and down angle and the side to side angle of the ball as it is thrown, among possibly other throwing parameters. A controller may be provided for controlling operation of the ball throwing machine.