Patent ID: 7628147
Filing Date: 2009-12-08
Classification: A63B

Abstract:
1. A device for underhand tossing of a ball, the device comprising: a cabinet; a hollow tossing arm pivotally coupled at a first end to the cabinet; a means to dispense a single ball at a time from a supply of balls into the hollow tossing arm; a spring affixed at one end to the hollow tossing arm and affixed at a distal end to the cabinet at a point forward of the hollow tossing arm; a means for pulling a distal end of the hollow tossing arm toward a back end of the cabinet and for releasing the hollow tossing arm such that the distal end of the hollow tossing arm swings forward, releasing the ball at a point at which the hollow tossing arm hits a stop peg; and a controller, the controller adapted to accept control inputs and the controller adapted to control the speed of the means for pulling wherein the means to dispense the single ball includes an opening in the first end of the hollow tossing arm, the opening large enough to allow the passage of the single ball, the opening unobstructed only when the hollow tossing arm is pulled back by the means for pulling the hollow tossing arm.