Ball throwing device

Details Ball throwing device Ball throwing device

1985-04-26

1986-10-07

Shapiro, Paul E.

Mechanical guns and projectors

Centrifugal

Mechanical

A63B 6940

Patent

active

046153250

ABSTRACT:
A ball throwing device including a throwing arm having one end pivotally mounted and defining at the other end a ball receiving portion. The throwing arm is driven to swing within a limited angular range between a cocked position and a releasing position so as to throw a ball fed to the receiving portion when moved toward the releasing position. Cooperative with the throwing arm is an annular guide which extends approximately along the path of the ball receiving portion so as to deliver the ball fed at one end thereof to the ball receiving portion of the throwing arm at the cocked position. The guiding surface of the annular guide is configured to be increasingly displaced outwardly from the path of the ball receiving portion in the direction of throwing the ball. Accordingly, the ball can be held on the ball receiving portion in loose engagement therewith while being prevented from dropping out therefrom to thereby assure the projection of the ball with less spin.

REFERENCES:
patent: 754745 (1904-03-01), Clark
patent: 817928 (1906-04-01), Medley
patent: 1053029 (1913-02-01), Hansen et al.
patent: 1733394 (1929-10-01), Bible et al.
patent: 2705945 (1955-04-01), Cavalier
patent: 2792822 (1957-05-01), Ponza
patent: 4209003 (1980-01-01), Salisbury

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