Tennis teaching machine with ball projector

Details Tennis teaching machine with ball projector Tennis teaching machine with ball projector

1975-12-05

1977-05-03

Pinkham, Richard C.

Amusement devices: games

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

Target

273 26R, 35 8A, 124 51R, 124 54, A63B 6900

Patent

active

040210367

ABSTRACT:
A tennis teaching machine has a ball hopper slidably mounted on a vertical support. A hollow extension arm protrudes from the ball hopper and has a ball projection mechanism at the end. A rotating ball tray supported within the ball hopper supplies balls to the extension arm and ball projection mechanism. A control unit has a tapedeck which automatically activates the ball projection mechanism when a sensor detects a strip of metal foil on magnetic tape played by a tapedeck. The tennis teaching machine is positioned between two training mats upon which various tennis technique training indicia are inscribed. The student listens to instructions from the control unit and strokes a tennis ball dropped on cue from the extension arm. When stroking the tennis ball, the student positions his feet and racket as indicated by the training indicia on the mats.

REFERENCES:
patent: 2908771 (1959-10-01), Gallina
patent: 2985069 (1961-05-01), Sampson
patent: 3222597 (1965-12-01), Beatenbough
patent: 3231271 (1966-01-01), Murphy
patent: 3677544 (1972-07-01), Meyers
patent: 3807379 (1974-04-01), Vodinh

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