| 摘要 |
An amusement device includes a housing (21), a drive disk (30) which is mounted for rotation in the housing (21), a target disk (40) which is mounted for rotation with respect to the drive disk (30), targets (50) which are mounted for rotation on the target disk (40), and a drive unit (20) which can drive the drive disk (30) in either of two rational directions. The target disk (40) is connected to the drive disk (30) so that the target disk (40) rotates synchronously with the drive disk (30) during steady-state rotation of the drive disk (30), and so that the target disk undergoes limited rotation with respect to the drive disk when the direction of the rotation of the drive disk (30) is reversed, ans so that targets (50) rotate with respect to the target disk (40) when the target disk (40) rotates with respect to the drive disk (30).
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