Games using tangible projectile – Playing field or court game; game element or accessory... – Practice or training device
Patent
1996-12-17
1997-10-28
Grieb, William H.
Games using tangible projectile
Playing field or court game; game element or accessory...
Practice or training device
124 26, A63B 6900, F41B 700
Patent
active
056812302
ABSTRACT:
An automatic ball return apparatus includes a ball retrieval net with a chute at the lower end for receiving an directing a ball to a ball return mechanism. The ball return mechanism includes a frame with guide rails for directing a ball forwardly out of the mechanism, and an ejector mechanism for launching the ball. The ejector mechanism includes an ejector arm connected to a motor which cycles the arm between a cocked position and a launch position, to selectively launch a ball received from the ball retrieval apparatus. A switch located between the guide rails is activated by a ball dropping onto the ball return mechanism, which operates the motor to eject the ball from the mechanism. The ball return mechanism is supported on a stand, and a motor with a drive shaft is mounted to a platform on the stand to selectively rotate the ball return mechanism on the stand. A transmitter is provided for signaling a receiver in a control unit connected to the motor on the stand, to thereby selectively rotate the ball return mechanism either clockwise or counterclockwise. The ball return mechanism is pivotally mounted on a supposed frame, with an adjustment arm extending between the mechanism in the frame permitting adjustment of the angle of elevation of the ball return mechanism relative to the horizontal.
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Frederiksen Mark D.
Grieb William H.
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