Mechanical guns and projectors – Element – Means for producing projectile spin or deflection
Patent
1976-04-12
1977-03-29
Shapiro, Paul E.
Mechanical guns and projectors
Element
Means for producing projectile spin or deflection
124 83, A63B 6940, F41B 1100, F41F 1702, F41F 1706
Patent
active
040143074
ABSTRACT:
A barrel for a ball throwing machine using air to expell balls from the barrel randomly directs balls within a lateral range of directions. Upper and lower crowned and centered ball contact strips extend the length of the barrel which widens laterally toward its muzzle. Adjustable side contact strips may be provided to limit the extent to which a ball may travel down one side of the barrel or the other. Some few balls remain precariously centered between the upper and lower strips for a straight throw, but most slip from between the spring tension of the upper and lower strips to reach the muzzle displaced to one side or the other to different extents. Rigidly mounted deflectors having inwardly extending surfaces on each side of the muzzle deflect balls striking them in the direction of the opposite side greatly amplifying the deviation in direction with which the balls leave the barrel. The deflectors may be adjusted to set the lateral range of directions within which balls are expelled.
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Shapiro Paul E.
Tailer Peter L.
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