Mechanical guns and projectors – Spring – Elastic band
Patent
1990-04-20
1991-11-26
Cuomo, Peter M.
Mechanical guns and projectors
Spring
Elastic band
124 17, 124 351, 124 50, F41B 302
Patent
active
050674714
ABSTRACT:
Presented is a portable catapult device for hurling a succession of simulated baseballs for the purpose of affording novices in the game of baseball an opportunity to swing at the simulated baseball to thereby increase their proficiency at batting. The device includes a base on which is mounted a carriage that is reciprocable by engagement with an endless chain, and a sling mounted on the base through use of elastic bands selectively connected to and disconnected from one end of the reciprocable carriage so that the elastic bands are stretched a predetermined amount and when released carry a ball-impelling member that engages the ball and impels the ball from the device at a predetermined velocity and in a predetermined trajectory that carries the ball toward the batter.
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Cuomo Peter M.
Hanscom Douglas R.
Leavitt John J.
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