Ball throwing device

Details Ball throwing device Ball throwing device

1976-09-16

1978-03-28

Pinkham, Richard C.

Mechanical guns and projectors

Miscellaneous

F41B 1500

Patent

active

040809501

ABSTRACT:
A ball is delivered into the constricted space between, and thereby gripped frictionally by, a fixed pad and a confronting surface of a wheel which is driven at a speed predetermined to propel the ball therefrom at a selected velocity. The line on which the ball is propelled between the pad and wheel is adjustable about a horizontal axis and the speed of the wheel is variable so as to adjust the trajectory of the thrown ball. Further, the pad may be mounted above or below the wheel to reverse the spin on the ball and thus afford a variety of practice conditions.

REFERENCES:
patent: 14106 (1916-04-01), Palmer
patent: 1211738 (1917-01-01), Marty
patent: 2705945 (1955-04-01), Cavalier
patent: 3878827 (1975-04-01), Newgarden

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