| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a game machine for readily raising and lowering even a relatively heavy ornament. <P>SOLUTION: The game machine includes: a unit base fixedly provided; a movable unit 3079 supported in a manner to be vertically movable relative to the unit base; a constant force spring 3081 suspending the movable unit 3079, and balanced with the dead weight of the movable unit 3079; a drive motor 3088 mounted to the unit base; and a drive unit 3085 for converting the rotational movement of the drive motor 3088 to a vertical linear movement of the movable unit 3079. The drive unit 3085 includes a rotation shaft 3091 having a feed screw 3091a, and the rotation shaft 3091 is rotated to move a thread engagement member 3092. <P>COPYRIGHT: (C)2012,JPO&INPIT |
