Baseball pitching machine

Details Baseball pitching machine Baseball pitching machine

1991-10-16

1992-12-29

Brown, Theatrice

Amusement devices: games

Aerial projectile game; game element or accessory therefor...

Target

273 29A, 124 7, A63B 6940

Patent

active

051745658

ABSTRACT:
A baseball pitching machine includes a ball throwing assembly that is mounted on a platform that may be tilted to adjust the elevation of a baseball pitched by the machine. The device for controlling the tilt of the platform may include plural jack screws for stabilizing the platform between pitches. The angle of inclination of the platform recorded in the device for controlling the tilt of the platform may be corrected when the platform has a predetermined inclination to improve the accuracy of the pitched ball. The correction updates the recorded angle of inclination so that vibrations caused by the ball throwing assembly or malfunctions do not disrupt the operation of the machine to the point where the ball is pitched wildly. A photocoupler provides a corrective signal when the predetermined inclination is reached.

REFERENCES:
patent: 3277879 (1964-04-01), Sayette
patent: 3659576 (1972-05-01), Eade
patent: 3724437 (1973-04-01), Helstead
patent: 3807379 (1974-04-01), Vodinh
patent: 4442823 (1984-04-01), Floyd
patent: 4712534 (1987-12-01), Nozato
patent: 4774928 (1988-10-01), Kohlin
patent: 4834060 (1989-05-01), Greene

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