Mechanical guns and projectors – Projectile impelled by coacting wheels
Patent
1983-01-31
1985-07-30
Apley, Richard J.
Mechanical guns and projectors
Projectile impelled by coacting wheels
124 49, 273 26D, F41B 1500
Patent
active
045315043
ABSTRACT:
A ball expelling device has a pair of soft, counter-rotating, coacting wheels mounted in a housing container on a pair of parallel spaced axles. A ball feed tube terminates in an outlet opening defined by a pair of opposed fingers at a location between opposed peripheral surfaces of the wheels. The ball feed tube is selectably positionable so that the outlet opening is moveable both in a direction perpendicular to the plane of the wheels and in a direction perpendicular to the plane of the wheel axles. A drive assembly operates to counter-rotate the wheels and preferably includes a pair of step-cone drive pulleys mounted on a pair of parallel drive axles with the drive pulleys each connected by a v-belt to a respective multi-stage pulley mounted on a wheel axle. The drive axles are interconnected by a transmission so that rotation of one drive axle causes rotation of the other drive axle in an opposite angular direction with equal magnitude. A power source, such as an internal combustion engine, rotates a drive shaft which supports a centrifugal clutch that is linked to a pulley on one of the drive axles in order to forcibly rotate the drive axle. A collapsible support structure operates to support the container for use in expelling a ball.
REFERENCES:
patent: 3538900 (1970-11-01), Samuels
patent: 3766901 (1973-10-01), Clearly et al.
patent: 3785358 (1974-01-01), D'Angelo et al.
patent: 3811421 (1974-05-01), Betten
Apley Richard J.
Browne William R.
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