Mechanical guns and projectors – Projectile impelled by coacting wheels
Patent
1984-11-05
1986-06-24
Shapiro, Paul E.
Mechanical guns and projectors
Projectile impelled by coacting wheels
124 50, 124 82, 273 55R, A63B 6940
Patent
active
045962308
ABSTRACT:
A machine projects footballs with varying degrees and directions of spin about either the longitudinal axis, as in a pass, or the transverse axis, as when kicked. The ball is projected by two juxtaposed wheels rotating in opposite directions. The wheels are spaced apart sufficiently to allow passage of the football without permanently damaging the ball, yet close enough together to impart velocity to the football. The football can be projected with a variable amount of spin by varying the relative orientation of the two projecting wheels. The footballs are fed into the projecting wheels by a reciprocating longitudinal plunger having an end attachment which is altered to conform to either the pass or kick orientation of the football. Rotating guide members maintain the football orientation as it is fed into the projecting wheels. A positioning chute orients the football in a vertical, kick position as it is fed into the reciprocating plunger and then into the projecting wheels. In order to orient the football into a pass position, an orientation mechanism contacts the football to reorient it into a horizontal or pass position. A rotating turret, capable of holding several footballs, is located above the chute so that balls can be sequentially fed into the chute and, in turn, into the reciprocating plunger and projecting wheels. A timing mechanism coordinates the rotation of the turret, the release of the ball from the chute, and the plunger reciprocation.
REFERENCES:
patent: 2310746 (1943-02-01), Parker et al.
patent: 4026261 (1977-05-01), Paulson et al.
patent: 4460173 (1984-07-01), Dumas
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