F - Mech Eng,Light,Heat,Weapons – 41 – B
Patent
F - Mech Eng,Light,Heat,Weapons
41
B
F41B 4/00 (2006.01) A63B 69/40 (2006.01) A63B 69/00 (2006.01) A63B 69/38 (2006.01)
Patent
CA 2363550
A pitching system is provided for throwing baseballs, softballs, and the like, which is synchronized to work in conjunction with a video display (304, 314) to permit a batter to view a moving pitcher (310) prior to and during delivery of the pitch. The machine includes a power head (12) having at least two and preferably three coacting wheels (72) for propelling a ball toward a batter. Three AC motors (80) and companion motor drives are provided for causing the wheels to rotate. The motor drives include dynamic braking circuits to permit rapid deceleration of the wheels. A pair of linear actuators (50, 60) is provided to permit the power head to be moved to predetermined horizontal and vertical positions. A programmable control unit (220) chooses the video image appropriate for a particular pitch and causes the wheels to rotate at appropriate speeds, and causes the machine to assume appropriate horizontal and vertical positions.
L'invention porte sur un lanceur de balles de base-ball, de balles molles etc. synchronisé pour fonctionner en association avec un écran vidéo (304, 314) pour permettre au frappeur de voir le mouvement du lanceur avant et pendant le lancement. Le lanceur comporte une tête de lancement (12) comprenant au moins deux et de préférence trois roues (72) concourant au lancement de la balle vers le frappeur entraînées par autant de moteurs c.a. et leurs éléments de transmission qui sont munis de circuits dynamiques de freinage permettant la décélération rapide des roues. Deux vérins linéaires (50, 60) permettent d'orienter la tête horizontalement et verticalement. Une commande programmable (220) permet de choisir l'image, et la vitesse de rotation des roues correspondant à un lancement particulier, ainsi que l'orientation (horizontale et verticale) du lanceur.
Battersby Gregory J.
Cobb James
Grimes Charles W.
Schile Richard D.
Van Geldern Steve
Blake Cassels & Graydon Llp
Probatter Sports Llc
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