Mechanical guns and projectors – Centrifugal – Mechanical
Patent
1993-01-25
1995-03-14
Arola, Dave W.
Mechanical guns and projectors
Centrifugal
Mechanical
124 78, 124 34, 124 511, 273 572, F41F 700
Patent
active
053968760
ABSTRACT:
A hockey propulsion device that uses an infrared control unit to control speed of hockey ball ejection as well as starting and stopping. A single DC powered motor rolls a ball along a railed guideway using friction of the ball against a rubber ball propulsion drive wheel on the motor and two rails of the guideway providing three point ball stabilization and rolling ejection. At least two rolling speeds are provided. A two solenoid gate periodically releases balls into a propulsion tube that provides rotational inertia to each ball before it encounters the rotating wheel. Low battery and empty ball sensors indicate when the propulsion device is low on or is out of balls. A swivel ejection guideway allows the ball to be directed from side to side. A detachable hopper allows easy ball gathering and reloading.
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Liscio Edward P.
Riggio Richard A.
Arola Dave W.
Kim Harry C.
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