| 摘要 |
In a pinball machine, a ball spinner comprising a cup adapted for rotation relative to a playing field, the cup having a curved inner surface which terminates in a peripheral flange, and a centrally disposed hub extending downwardly along the axis of rotation, the hub having a compression spring disposed thereof for maintaining the cup in a non-rotating, unweighted position, the cup being operably associated with a drive motor for rotation thereof, and being adapted to engage a switch upon sensing the weight of the pinball therein, the switch enabling the drive motor and remaining in a closed position until the pinball is ejected from the cup during rotation.
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