US Patent 7662053 Ball returning backstop

A ball returning backstop assembly includes a backstop that collects a thrown ball and a ball return assembly that returns the collected ball. The ball return assembly includes a housing that supports a linkage for propelling the collected ball and a motor for driving the linkage. The housing includes a tube that receives the collected ball, with the linkage having a piston that is slidable within the tube to propel the ball out of the tube. The motor is electrically connected to switches that control when the motor drives the linkage. One switch being configured to turn the motor on when the collected ball is ready to be returned and the other switch being configured to turn the motor off after the ball is propelled out of the tube.