| 摘要 |
<p>The pinball table has a ball and a flipper for keeping the ball in play. It comprises an inclined panel with top surface on which the ball rolls and a bottom surface. A discontinuous slot has a bumper movably positioned in it and extending above the top surface of the inclined panel, for providing a target against which the ball is projected. The bumper comprises a bar connected parallel to the bottom surface of the inclined panel and parallel to the discontinuous slot. A sliding carrier on the bar, has a spring mount and a wheel mount extending through the discontinuous slot. A score wheel extends from the wheel mount.</p> |
