| 摘要 |
A rotatable member is provided for a rolling ball amusement device. The rotatable member defines a ball receiving aperture which is positioned to receive a rolling ball and to cause transfer of kinetic energy from the ball to the rotatable member, to cause the member to rotate to one of a plurality of discrete, temporarily locked rotating positions, with the selection of the particular rotating position depending on the amount of kinetic energy so transferred. Preferably, switches are provided for identifying to the electronic controls of the amusement device the discrete rotating position occupied by the rotatable member. Upon command, the temporary lock of the rotating positions may be released. A spring or the like then rotates the member back to an original, ball-receiving position upon such release, which propels the ball back onto the playfield with a velocity that depends on the particular discrete rotating position achieved.
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