Mechanical guns and projectors – Spring
Patent
1995-06-28
1997-01-28
Brown, Theatrice
Mechanical guns and projectors
Spring
A63B 6940
Patent
active
055971601
ABSTRACT:
An apparatus for baseball batting training. The apparatus includes a rigid-wall cylindrical tube with means to support a baseball at one end thereof. A striker movable within the tube, is latched against a preselected force of a coil spring, and is rapidly urged toward the baseball for impingement therewith to propel the baseball upward a distance corresponding to the preselected force of the spring. When the striker is pushed down, a pin is visually extended and retracted to engage a selected one of a plurality of latching detentes to hold the striker in a cocked position. Upon release of the pin, the spring loaded striker is urged rapidly upward to impact with the baseball and propel the baseball into the hitting zone of a waiting batter. The inside diameter of the rigid-wall tube is larger than the small end of a baseball bat to allow the bat to be pushed into the tube and reset the apparatus for another use. Means are provided on the upper end of the striker to alter the point of contact with the baseball and thereby cause the baseball to move at selected upward angles. In this manner the baseball will be presented at different locations within the hitting zone to simulate either an inside pitch or an outside pitch during batting practice.
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Brown Theatrice
Petrinec Robert G.
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