Ball throwing machine

Details Ball throwing machine Ball throwing machine

1984-01-04

1986-04-22

Shapiro, Paul E.

Mechanical guns and projectors

Projectile impelled by coacting wheels

474114, F41B 300

Patent

active

045835144

ABSTRACT:
A pair of rotary wheels, a counter-rotating mechanism for rotating these rotary wheels in opposite directions, and a drive source for driving the rotary wheels through the counter-rotating mechanism are provided. A ball is nipped between the outer peripheral surfaces of the rotary wheels and is thereby thrown. The drive source is in the form of an engine having an output pulley, while the counter-rotating mechanism has an input pulley. A transmission belt is entrained around these pulleys.

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patent: 3817235 (1974-06-01), Blake
patent: 3878828 (1975-04-01), Francesco

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