| 摘要 |
<p>The mechanism for the automatic reversal of objects consists of, three axles parallel to each other, which bear suitably placed castellated wheels and discs, a coil spring and cam (which is placed on one axle), as well as a 'Y' shaped part, or tuning fork, that bears two spikes in its edges. The purpose of the invention is the instant and smooth reversal of the displayed object placed on the mechanism, at anyone time.</p> |
