Automatic ball throwing machine

Details Automatic ball throwing machine Automatic ball throwing machine

1985-08-26

1986-09-16

Shapiro, Paul E.

Mechanical guns and projectors

Centrifugal

Mechanical

A63B 6512

Patent

active

046115714

ABSTRACT:
An automatic ball throwing machine comprising a motorized arm for activating a ball receiving arm which is adapted to be positioned under a ball delivery chute and following the delivery of a ball into the receiving arm, a coil spring mounted at the other end of the receiving arm is released whereupon the receiving arm is caused to be projected upwardly and upon reaching its uppermost position the ball is released and projected toward one using the machine to practice hitting the ball with a suitable bat.

REFERENCES:
patent: 202301 (1879-04-01), Taltavull
patent: 563807 (1896-07-01), Rudolph
patent: 1778952 (1930-10-01), McCullough
patent: 1897317 (1933-02-01), McEachern
patent: 2650585 (1953-09-01), Farre, Jr.
patent: 2696204 (1954-12-01), Gilgoff
patent: 3470859 (1969-10-01), Ponza
patent: 3977386 (1976-08-01), Meyer

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