| 摘要 |
An automatic steel ball recollecting apparatus for use in pinball machines comprises a score board, a drive motor, a main frame, a slide board, and steel ball trapping units. In the construction of the recollecting apparatus, the score board is provided with a plurality of through holes; the drive motor is mounted on the back of the score board, with an eccentric rotary wheel attached to the output shaft of the motor through a reduce gear and having an eccentric shaft; the main frame situated on the back of the score board is engaged with the eccentric shaft and driven by the motor to produce an up and down motion; the slide board is provided with an electric micro-switch to which a lifting lever is added to extend the trigger bar of the micro-switch and protrudes into a through hole from the back of the score board to form a steel ball trapping unit; the sides of the slide board are equipped with short pins which extend into guide slots formed on sides of the main frame to steer the motion of the main frame in a forward and backward direction via the inclined surface of the guide slot to produce an effect of recollecting the trapping unit out of through holes
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