Random propelling device for balls and the like

Details Random propelling device for balls and the like Random propelling device for balls and the like

1977-09-06

1979-11-27

Pinkham, Richard C.

Mechanical guns and projectors

Centrifugal

Mechanical

124 41R, 124 36, 124 81, F41B 304

Patent

active

041755359

ABSTRACT:
A pitching or batting device for a plurality of balls and the like includes an arm connected at one end to a torsion wind-up device and adapted at its other end to engage a holding cam. The cam is freely rotatable and is spun upon release of the arm tip therefrom so that it assumes a different random position in each cycle. When the arm holding a ball is released, the wind-up mechanism causes the arm to swing and engage a braking device which suddenly slows the arm, causing a pitched ball to be propelled through space. The cam causes the intervals between pitches to be random. The braking device is continuously adjustable in angular position, and a ball reverse spinning device may be employed which also operates randomly in conjunction with variations in height of the braking device.

REFERENCES:
patent: 3602208 (1971-08-01), Huerlimann
patent: 3659576 (1972-05-01), Eade et al.
patent: 3779227 (1973-12-01), Scott

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